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Changelog

All notable changes to this project will be documented in this file.

[Unreleased] - Development

[9.0.0.1]

Added

Optional support for Mitsubishi Electric HVAC by David Gwynne (#9237)
Optional support for Orno WE517-Modbus energy meter by Maxime Vincent (#9353)
SDM630 three phase ImportActive Energy display when #define SDM630_IMPORT is enabled by Janusz Kostorz (#9124)
Optional support for inverted NeoPixelBus data line by enabling #define USE_WS2812_INVERTED (#8988)
PWM dimmer color/trigger on tap, SO88 led, DGR WITH_LOCAL flag by Paul Diem (#9474)
Support for stateful ACs using StateMode in tasmota-ir.bin by Arik Yavilevich (#9472)
Zigbee ZbData command for better support of device specific data
Support for analog buttons indexed within standard button range

Changed

Redesigning ESP8266 GPIO internal representation in line with ESP32
New IR Raw compact format (#9444)
MAX31865 driver to support up to 6 thermocouples selected by MX31865 CS instead of SSPI CS (#9103)
A4988 optional microstep pin selection
Pulsetime to allow use for all relays with 8 interleaved so Pulsetime1 is valid for Relay1, Relay9, Relay17 etc. (#9279)
Status command output for disabled status types
IRremoteESP8266 library from v2.7.10 to v2.7.11
NeoPixelBus library from v2.5.0.09 to v2.6.0

Fixed

Template conversion when GPIO17 is 0
Ledlink blink when no network connected regression from 8.3.1.4 (#9292)
Exception 28 due to device group buffer overflow (#9459)
Shutter timing problem due to buffer overflow in calibration matrix (#9458)
Light wakeup exception 0 (divide by zero) when WakeupDuration is not initialised (#9466)
ADC initalization sequence (#9473)

Removed

Support for direct upgrade from Tasmota versions before 7.0
Auto config update for all Friendlynames and Switchtopic from Tasmota versions before 8.0

[Released]

[8.5.1] - 20201002

Release Hannah

[8.5.0.1] - 20200907

Added

Command SetOption110 1 to disable Zigbee auto-config when pairing new devices
Command SetOption111 1 to enable frequency output for buzzer GPIO (#8994)
Command SetOption112 1 to enable friendly name in zigbee topic (use with SetOption89)
#define USE_MQTT_AWS_IOT_LIGHT for password based AWS IoT authentication
#define MQTT_LWT_OFFLINE and #define MQTT_LWT_ONLINE to user_config.h (#9395)
New shutter modes (#9244)
Zigbee auto-config when pairing
Support for MLX90640 IR array temperature sensor by Christian Baars
Support for VL53L1X time of flight sensor by Johann Obermeier

Changed

Replace ArduinoJson with JSMN for JSON parsing
WakeUp uses 256 steps instead of 100 (#9241)

Fixed

Energy total counters (#9263, #9266)
Crash in ZbRestore
Reset BMP sensors when executing command SaveData and define USE_DEEPSLEEP enabled (#9300)
status 0 message when using define USE_MQTT_TLS due to small log buffer (#9305)
status 13 exception 9 when more than one shutter is configured
status 13 json message
Shelly 2.5 higher temperature regression from 8.2.0.1 (#7991)

[8.5.0] - 20200907

Release Hannah

[8.4.0.3] - 20200823

Added

Command PowerDelta1 to PowerDelta3 to trigger on up to three phases (#9134)
Zigbee web ui widget for Lights
SetOption109 1 to force gen1 Alexa mode, for Echo Dot 2nd gen devices only
Zigbee web ui for power metering plugs
Experimental support for ESP32 TTGO Watch and I2S Audio by Gerhard Mutz

Changed

References from http://thehackbox.org/tasmota/ to http://ota.tasmota.com/tasmota/

[8.4.0.2] - 20200813

Added

Command SetOption103 0/1 to set TLS mode when TLS is selected
Command SetOption104 1 to disable all MQTT retained messages
Command SetOption106 1 to create a virtual White ColorTemp for RGBW lights
Command SetOption107 0/1 to select virtual White as (0) Warm or (1) Cold
Command SetOption108 0/1 to enable Teleinfo telemetry into Tasmota Energy MQTT (0) or Teleinfo only (1) - Add better config corruption recovery (#9046)
Virtual CT for 4 channels lights, emulating a 5th channel
Support for DYP ME007 ultrasonic distance sensor by Janusz Kostorz (#9113)
Zigbee web gui widget for Temp/Humidity/Pressure sensors
Zigbee battery icon

Changed

White blend mode moved to using SetOption 105 instead of RGBWWTable

Fixed

Display power control (#9114)

Removed

Support for direct upgrade from versions before 6.6.0.11 to versions after 8.4.0.1

[8.4.0.1] - 20200730

Added

Zigbee better support for IKEA Motion Sensor
ESP32 Analog input support for GPIO32 to GPIO39
Zigbee options to ZbSend Config and ReadCondig
Command Restart 2 to halt system. Needs hardware reset or power cycle to restart (#9046)
Command SetOption102 0/1 to switch between Teleinfo French Metering mode, legacy 1200 bps (0) or Linky standard 9600 bps (1)

Changed

Triple-mode TLS via configuration in a single firmware (TLS AWS IoT, Letsencrypt and No-TLS)

Fixed

ESP32 PWM range

[8.4.0] - 20200730

Release George

[8.3.1.7] - 20200716

Added

Command DzSend<type> <index>,<value1(;value2)|state> to send values or state to Domoticz
Command SetOption100 0/1 to remove Zigbee ZbReceived value from {"ZbReceived":{xxx:yyy}} JSON message
Command SetOption101 0/1 to add the Zigbee source endpoint as suffix to attributes, ex Power3 instead of Power if sent from endpoint 3
Command (S)SerialSend6 <comma seperated values> (#8937)
Support for Sonoff Zigbee Bridge as module 75 (#8583)

Changed

Limited support of Arduino IDE as an increasing amount of features cannot be compiled with Arduino IDE
All timer references from Arm to Enable in GUI, Timer command and JSON message
Domoticz commands prefix from Domoticz to Dz
Ping now reports the hostname instead of IP address (#8948)
Zigbee randomizing of parameters at first run or after Reset

Removed

Remove Arduino ESP8266 Core support for versions before 2.7.1

[8.3.1.6] - 20200617

Added

Command Module2 to configure fallback module on fast reboot (#8464)
Command SetOption97 0/1 to switch between Tuya serial speeds 9600 bps (0) or 115200 bps (1)
Command SetOption98 0/1 to provide rotary rule triggers (1) instead of controlling light (0)
Command SetOption99 0/1 to enable zero cross detection on PWM dimmer
Support for Energy sensor (Denky) for French Smart Metering meter provided by global Energy Providers, need a adaptater. See dedicated full blog about French teleinformation stuff
Library to be used for decoding Teleinfo (French Metering Smart Meter)
Support for single wire LMT01 temperature Sensor by justifiably (#8713)
Compile time interlock parameters (#8759)
Compile time user template (#8766)
Rotary encoder support for light dimmer and optional color temperature if button1 still pressed (#8670)
Support for switches/relays using an AC detection circuitry e.g. MOES MS-104B or BlitzWolf SS5 (#8606)
Support for Schneider Electric iEM3000 series Modbus energy meter by Marius Bezuidenhout

Changed

ESP32 USER GPIO template representation decreasing template message size
Define USE_TASMOTA_SLAVE into USE_TASMOTA_CLIENT
Commands SlaveSend and SlaveReset into ClientSend and ClientReset
IRremoteESP8266 library updated to v2.7.8

Fixed

Exception or watchdog on rule re-entry (#8757)

[8.3.1.5] - 20200616

Added

ESP32 ethernet commands EthType 0/1, EthAddress 0..31 and EthClockMode 0..3
Zigbee initial support for EmberZNet protocol (raw send/receive only)

[8.3.1.4] - 20200615

Added

Basic support for ESP32 ethernet adding commands Wifi 0/1 and Ethernet 0/1 both default ON

[8.3.1.3] - 20200611

Added

Initial support for Telegram bot (#8619)
Support for HP303B Temperature and Pressure sensor by Robert Jaakke (#8638)
Rule trigger System#Init to allow early rule execution without wifi and mqtt initialized yet
Serial to TCP bridge, TCPStart and TCPBaudRate (needs #define USE_TCP_BRIDGE)

[8.3.1.2] - 20200522

Added

Command Time 4 to display timestamp using milliseconds (#8537)
Command SetOption94 0/1 to select MAX31855 or MAX6675 thermocouple support (#8616)
Commands LedPwmOn 0..255, LedPwmOff 0..255 and LedPwmMode1 0/1 to control led brightness by George (#8491)
Three Phase Export Active Energy to SDM630 driver
Wildcard pattern ? for JSON matching in rules
Support for unique MQTTClient (and inherited fallback topic) by full Mac address using mqttclient DVES_%12X (#8300)
Zigbee options to ZbSend to write and report attributes
CpuFrequency to status 2
FlashFrequency to status 4
Support for up to two BH1750 sensors controlled by commands BH1750Resolution and BH1750MTime (#8139)
Zigbee auto-responder for common attributes
Support for BL0940 energy monitor as used in Blitzwolf BW-SHP10 (#8175)

Changed

Energy JSON Total field from "Total":[33.736,11.717,16.978] to "Total":33.736,"TotalTariff":[11.717,16.978]
Energy JSON ExportActive field from "ExportActive":[33.736,11.717,16.978] to "ExportActive":33.736,"ExportTariff":[11.717,16.978]
Adafruit_SGP30 library from v1.0.3 to v1.2.0 (#8519)

Fixed

Escape of non-JSON received serial data (#8329)

[8.3.1.1] - 20200518

Added

Command Rule0 to change global rule parameters
More functionality to Switchmode 11 and 12 (#8450)
Dump of compressed rules over 512 chars and unishox decompress fix
Support for VEML6075 UVA/UVB/UVINDEX Sensor by device111 (#8432)
Support for VEML7700 Ambient light intensity Sensor by device111 (#8432)

Changed

IRremoteESP8266 library updated to v2.7.7

[8.3.1] - 20200518

Release Fred

[8.3.0.2] - 20200517

Added

Command DeviceName defaults to FriendlyName1 and replaces FriendlyName1 in GUI

Changed

Hass discovery from using template name to new Device name (#8462)

[8.3.0.1] - 20200514

Changed

KNX pow function to approximative pow saving 5k of code space
Mutichannel Gas sensor pow function to approximative pow saving 5k of code space
Quick Power Cycle detection from 4 to 7 power interrupts (#4066)

Fixed

Fix default state of SetOption73 0 for button decoupling and send multi-press and hold MQTT messages

[8.3.0] - 20200514

Release Fred

[8.2.0.6] - 20200501

Added

Experimental basic support for Tasmota on ESP32 based on work by Jörg Schüler-Maroldt
Support for analog anemometer by Matteo Albinola (#8283)
Support for OpenTherm by Yuriy Sannikov (#8373)
Support for Thermostat control by arijav (#8212)
Automatic compression of Rules to achieve ~60% compression by Stefan Hadinger
Command SetOption93 1 to control caching of compressed rules
Rule trigger at root level like on loadavg<50 do power 2 endon after state command
Zigbee support for router and end-device mode

Changed

Flash access removing support for any Core before 2.6.3
HAss discovery by Federico Leoni (#8370)
Default PWM Frequency to 977 Hz from 223 Hz
Minimum PWM Frequency from 100 Hz to 40 Hz
PWM updated to the latest version of Arduino PR #7231
Philips Hue emulation now exposes modelId and manufacturerId

[8.2.0.5] - 20200425

Changed

Breaking Change Device Groups multicast address and port (#8270)
IRremoteESP8266 library updated to v2.7.6

[8.2.0.4] - 20200417

Added

Config version tag
Command SetOption73 1 for button decoupling and send multi-press and hold MQTT messages by Federico Leoni (#8235)
Command SetOption92 1 to set PWM Mode from regular PWM to ColorTemp control (Xiaomi Philips ...)
Command SO as shortcut for command SetOption

Changed

PWM implementation to Arduino #7231 removing support for Core versions before 2.6.3
Default PWM Frequency to 223 Hz instead of 880 Hz for less interrupt pressure

Fixed

Fix Zigbee DimmerUp/DimmerDown malformed

[8.2.0.3] - 20200329

Added

Support for longer template names
Zigbee command ZbBindState and manufattribute
Zigbee command ZbConfig and configuration in Settings
Commands CounterDebounceLow and CounterDebounceHigh to control debouncing (#8021)
Commands NrfPage, NrfIgnore, NrfScan and NrfBeacon to NRF24 Bluetooth driver (#8075)
Command SetOption90 1 to disable non-json MQTT messages (#8044)
Command Sensor10 0/1/2 to control BH1750 resolution - 0 = High (default), 1 = High2, 2 = Low (#8016)
Command Sensor10 31..254 to control BH1750 measurement time which defaults to 69 (#8016)
Command Sensor18 0..32000 to control PMS5003 sensor interval to extend lifetime by Gene Ruebsamen (#8128)
Command SetOption91 1 to enable fading at startup / power on
Command SetOption41 <x> to force sending gratuitous ARP every seconds
Command DevGroupName to specify up to four Device Group Names (#8087)
Command DevGroupSend to send an update to a Device Group (#8093)
Command Ping (#7176)
Command Palette to add the ability to specify a palette of colors (#8150)
Commands GlobalTemp and GlobalHum to init sensor data (#8152)
Quick wifi reconnect using saved AP parameters when SetOption56 0 (#3189)
More accuracy to GPS NTP server (#8088)
Support for an iAQ sensor (#8107)
Support for Seven Segment display using HT16K33 (#8116)
Support for AS3935 Lightning Sensor by device111 (#8130)
DimmerRange for PWM lights (#8120)

Changed

Light scheme 2,3,4 cycle time speed from 24,48,72,... seconds to 4,6,12,24,36,48,... seconds (#8034)
Remove floating point libs from IRAM
Remove MQTT Info messages on restart for DeepSleep Wake (#8044)
IRremoteESP8266 library updated to v2.7.5

Fixed

PWM flickering during wifi connection (#8046)
Zigbee crash with Occupancy sensor (#8089)
Prevent multiple pings to run concurrently
Scheme 2-4 brightness when SetOption68 1 (#8058)

[8.2.0.2] - 20200328

Added

Support for up to four MQTT GroupTopics using the same optional Device Group names (#8014)
Console command history (#7483, #8015)

[8.2.0.1] - 20200321

Added

Zigbee command ZbRestore to restore device configuration dumped with ZbStatus 2
Zigbee command ZbUnbind
Support for unreachable (unplugged) Zigbee devices in Philips Hue emulation and Alexa
Support for 64x48 SSD1306 OLED (#6740)

Changed

HM-10 sensor type detection and add features (#7962)

Fixed

Possible Relay toggle on (OTA) restart
Zigbee sending wrong Sat value with Hue emulation

[8.2.0] - 20200321

Release Elliot

[8.1.0.11] - 20200313

Added

HAss Discovery support for Button and Switch triggers by Federico Leoni (#7901)
Support for HDC1080 Temperature and Humidity sensor by Luis Teixeira (#7888)
Commands SwitchMode 13 PushOn and SwitchMode 14 PushOnInverted (#7912)
Command HumOffset -10.0 .. 10.0 to set global humidity sensor offset (#7934)
Zigbee support for Hue emulation by Stefan Hadinger
Dew Point to Temperature and Humidity sensors
Support for ElectriQ iQ-wifiMOODL RGBW light by Ian King (#7947)

Changed

Zigbee simplification of devices probing, saving Flash and memory

[8.1.0.10] - 20200227

Added

Support for Jarolift rollers by Keeloq algorithm
Zigbee features and improvements and remove support for Zigbee commands starting with Zigbee...
Support for MaxBotix HRXL-MaxSonar ultrasonic range finders by Jon Little (#7814)
Support for Romanian language translations by Augustin Marti
Support for La Crosse TX23 Anemometer by Norbert Richter (#3146, #7765)
Command SetOption89 0/1 for Zigbee distinct MQTT topics per device for SENSOR, allowing retained messages (#7835)

Changed

Default my_user_config.h driver and sensor support removing most sensors and adding most drivers
IRremoteESP8266 library updated to v2.7.4
Revert switchmode 6 according to issue 7778 (#7831)
Hue emulation code optimization

[8.1.0.9] - 20200220

Added

Initial support for Sensors AHT10 and AHT15 by Martin Wagner (#7596)
Support for Wemos Motor Shield V1 by Denis Sborets (#7764)
Zigbee enhanced commands decoding, added ZbPing
Commands SetOption85 0/1 and DevGroupShare supporting UDP Group command using GroupTopic without MQTT by Paul Diem (#7790)
Support for Martin Jerry/acenx/Tessan/NTONPOWER SD0x PWM dimmer switches by Paul Diem (#7791)
Command SetOption86 0/1 for PWM dimmer to turn brightness LED's off 5 seconds after last change
Command SetOption87 0/1 for PWM dimmer to turn red LED on when powered off
Command SetOption88 0/1 for PWM dimmer to let buttons control remote devices

Changed

Revert most wifi connectivity changes introduced in 8.1.0.5 (#7746, #7602, #7621)

Fixed

Zigbee auto-increment transaction number (#7757)

[8.1.0.8] - 20200212

Added

Another new DHT driver based on ESPEasy. The old driver can still be used using define USE_DHT_OLD. The previous new driver can be used with define USE_DHT_V2 (#7717)

Changed

MQTT message size with additional 200 characters
Some wifi code to attempt faster connection (#7621)
Display of some date and time messages from "Wed Feb 19 10:45:12 2020" to "2020-02-19T10:45:12"

Fixed

Relation between RSSI and signal strength

[8.1.0.7] - 20200210

Added

New DHT driver. The old driver can still be used using define USE_DHT_OLD (#7468)

Fixed

wrong encoding of Zigbee persistent data

[8.1.0.6] - 20200205

Added

Support for sensors DS18x20 and DHT family on Shelly 1 and Shelly 1PM using Shelly Add-On adapter (#7469)
Commands SwitchMode 11 PushHoldMulti and SwitchMode 12 PushHoldInverted (#7603)
Command Buzzer -1 for infinite mode and command Buzzer -2 for following led mode (#7623)
Support for MI-BLE sensors using HM-10 Bluetooth 4.0 module by Christian Staars (#7683)
BootCount Reset Time as BCResetTime to Status 1
ZbZNPReceivedand ZbZCLReceived being published to MQTT when SetOption66 1
Optional Wifi AccessPoint passphrase define WIFI_AP_PASSPHRASE in my_user_config.h (#7690)
Support for FiF LE-01MR energy meter by saper-2 (#7584)

Fixed

HAss sensor discovery part 1/4 by Federico Leoni (#7582, #7548)
MaxPower functionality (#7647)

[8.1.0.5] - 20200126

Added

SetOption84 0/1 sends AWS IoT device shadow updates (alternative to retained)
ZbBind (experimental) and bug fixes

Changed

Wifi connectivity stability (#7602)
IRremoteESP8266 library updated to v2.7.3

Fixed

PWM flickering at low levels (#7415)

[8.1.0.4] - 20200116

Added

Web page sliders when SetOption37 128 is active allowing control of white(s)
Zigbee persistence and friendly names
Most SetOptions as defines to my_user_config.h
SoftwareSerial to CSE7766 driver allowing different GPIOs (#7563)
Optional parameter <startcolor> to command Scheme <scheme>, <startcolor> to control initial start color
Rule trigger on one level deeper using syntax with two # like on zigbeereceived#vibration_sensor#aqaracubeside=0 do ...

Changed

Zigbee command prefix from Zigbee* to Zb*

Fixed

PowerDelta zero power detection (#7515)
OTA minimal gzipped detection regression from 8.1.0.3
RGBWWTable ignored (#7572)

[8.1.0.3] - 20200106

Added

Support for gzipped binaries
SwitchMode 8 ToggleMulti, SwitchMode 9 FollowMulti and SwitchMode 10 FollowMultiInverted (#7522)

Changed

Commands Prefix, Ssid, StateText, NTPServer, and FriendlyName displaying all items
IRremoteESP8266 library updated to v2.7.2

Fixed

WakeUp <x> ignores provided value (#7473)
Exception 9 restart on log message in Ticker interrupt service routines NTP, Wemos and Hue emulation (#7496)

[8.1.0.2] - 20191230

Added

Support for AdcParam parameters to control ADC0 Current Transformer Apparent Power formula by Jodi Dillon (#7100)
Optional support for Prometheus using file xsns_91_prometheus.ino (#7216)
Command ShutterButton <parameters> to control shutter(s) by to-scho (#7403)
Command SetOption82 0/1 to limit the CT range for Alexa to 200..380
Experimental support for NRF24L01 as BLE-bridge for Mijia Bluetooth sensors by Christian Baars (#7394)
Support to BMP driver to enter reset state (sleep enable) when deep sleep is used in Tasmota

Fixed

LCD line and column positioning (#7387)
Display handling of hexadecimal escape characters (#7387)
Improved fade linearity with gamma correction
Wrong gamma correction for Module 48 lights (PWM5 for CT)

[8.1.0.1] - 20191225

Added

Command SetOption79 0/1 to enable reset of counters at teleperiod time by Andre Thomas (#7355)
SerialConfig to Status 1
WifiPower to Status 5
Support for DS1624, DS1621 Temperature sensor by Leonid Myravjev
Zigbee attribute decoder for Xiaomi Aqara Cube

Changed

Lights: simplified gamma correction and 10 bits internal computation

Fixed

Sonoff Bridge, Sc, L1, iFan03 and CSE7766 serial interface to forced speed, config and disable logging
Serial initialization regression from previous fix
Commands Display and Counter from overruling command processing (#7322)
White added to light status (#7142)

[8.1.0] - 20191225

Release Doris

[8.0.0.3] - 20191224

Changed

Version bump due to internal Settings change

[8.0.0.2] - 20191223

Added

Zigbee better support for Xiaomi Double Switch and Xiaomi Vibration sensor
Support for AdcParam parameters to control ADC0 Moisture formula by Federico Leoni (#7309)
Commands WebButton1 until WebButton16 to support user defined GUI button text (#7166)

Changed

Settings variable namings
Number of FriendlyNames from 4 to 8

[8.0.0.1] - 20191221

Added

Support for max 150 characters in most command parameter strings (#3686, #4754)
Support for GPS as NTP server by Christian Baars and Adrian Scillato
Zigbee coalesce sensor attributes into a single message
Deepsleep start delay based on Teleperiod if Teleperiod differs from 10 or 300

Changed

Settings text handling allowing variable length text within a total text pool of 699 characters
Smoother Fade using 100Hz instead of 20Hz animation (#7179)
Number of rule Vars and Mems from 5 to 16 (#4933)

[7.2.0] - 20191221

Release Constance

Changed

Basic version string to lite (#7291)

Fixed

Arduino IDE compile error (#7277)
Restore ShutterAccuracy, MqttLog, WifiConfig, WifiPower and SerialConfig (#7281)
No AP on initial install (#7282)
Failing downgrade (#7285)

7.1.2.6 20191214

Change some more Settings locations freeing up space for future single char allowing variable length text
Change tasmota-basic.bin and FIRMWARE_BASIC to tasmota-lite.bin and FIRMWARE_LITE
Fix DeepSleep in case there is no wifi by Stefan Bode (#7213)
Fix Fade would ignore savedata 0 and store to flash anyways (#7262)
Add Zigbee send automatic ZigbeeRead after sending a command
Add Zigbee improving Occupancy:false detection for Aqara sensor
Add fallback support from version 8.x
Add restriction if fallback firmware is incompatible with settings resulting in unreachable device
Add support for DHT12 Temperature and Humidity sensor by Stefan Oskamp

7.1.2.5 20191213

Change some Settings locations freeing up space for future single char allowing variable length text
Add Zigbee support for Xiaomi Aqara Vibration Sensor and Presence Sensor by Stefan Hadinger
Add Shutter functions ramp up/down and MQTT reporting by Stefan Bode

7.1.2.4 20191209

Change HTTP CORS from command SetOption73 0/1 to Cors <cors_domain> allowing user control of specific CORS domain by Shantur Rathore (#7066)
Change GUI Shutter button text to Up and Down Arrows based on PR by Xavier Muller (#7166)
Change amount of supported DHT sensors from 3 to 4 by Xavier Muller (#7167)
Revert removal of exception details from MQTT info on restart
Add Wifi Signal Strength in dBm in addition to RSSI Wifi Experience by Andreas Schultz (#7145)
Add Yaw, Pitch and Roll support for MPU6050 by Philip Barclay (#7058)
Add reporting of raw weight to JSON from HX711 to overcome auto-tare functionality by @tobox (#7171)
Add command Sensor34 9 <weight code> to set minimum delta to trigger JSON message by @tobox (#7188)
Fix flashing H801 led at boot by Stefan Hadinger (#7165, #649)
Fix duplicated Backlog when using Event inside a Backlog by Adrian Scillato (#7178, #7147)
Fix Gui Timer when using a negative zero offset of -00:00 by Peter Ooms (#7174)

7.1.2.3 20191208

Change Exception reporting removing exception details from both MQTT info and Status 1. Now consolidated in Status 12 if available.

7.1.2.2 20191206

Remove rule trigger tele_power1#state due to compatibility
Add command SerialConfig 0..23 or SerialConfig 8N1 to select Serial Config based in PR by Luis Teixeira (#7108)
Add save call stack in RTC memory in case of crash, command Status 12 to dump the stack by Stefan Hadinger
Add Home Assistant force update by Frederico Leoni (#7140, #7074)

7.1.2.1 20191206

Add SML bus decoder syntax support for byte order by Gerhard Mutz (#7112)
Add rule var %topic% by Adrian Scillato (#5522)
Add rule triggers tele_power1#state and multiple tele-wifi1#xxx by Adrian Scillato (#7093)
Add experimental support for stepper motor shutter control by Stefan Bode
Add optional USE_MQTT_TLS to tasmota-minimal.bin by Bohdan Kmit (#7115)

7.1.2 20191206

Maintenance Release

7.1.1.1 20191201

Fix lost functionality of GPIO9 and GPIO10 on some devices (#7080)
Fix Zigbee uses Hardware Serial if GPIO 1/3 or GPIO 13/15 and SerialLog 0 (#7071)
Fix WS2812 power control (#7090)
Change light color schemes 2, 3 and 4 from color wheel to Hue driven with user Saturation control
Change log buffer size from 520 to 700 characters accomodating full rule text (#7110)

7.1.1 20191201

Maintenance Release

7.1.0.1 20191130

Fix slider for devices with one or two channels like only white or white/yellow
Fix TasmotaSlave buffer overrun on Tele
Fix light scheme 4 speed (#7072)
Add support for TasmotaSlave executing commands on Tasmota

7.1.0 20191129

Release Doris

7.0.0.6 20191122

Add colorpicker to WebUI by Christian Staars (#6984)
Change new Fade system much smoother, Speed now up to 40 (#6942, #3714)
Fix Arduino IDE function prototyping compile error (#6982)
Change update lib IRremoteESP8266 updated to v2.7.1, -2.7k flash and -1.5k RAM for Tasmota-IR
Fix auto--power on/off when setting channel to non-zero or zero value, when SetOption68 1
Fix postpone saving settings to flash until Fade is complete, avoids pause in Fade
Add command SetOption77 0/1 to keep power on when slider is far left

7.0.0.5 20191118

Fix boot loop regression
Add command TempOffset -12.6 .. 12.6 to set global temperature sensor offset (#6958)
Fix check deepsleep for valid values in Settings (#6961)
Fix Wifi instability when light is on, due to sleep=0 (#6961, #6608)
Add hardware detection to be overruled with SetOption51 (#6969)

7.0.0.4 20191108

Add command WifiPower 0 .. 20.5 to set Wifi Output Power which will be default set to 17dBm
Change supported PCF8574 I2C address range to 0x20 - 0x26 allowing other I2C devices with address 0x27 to be used at the same time
Change supported PCF8574A I2C address range to 0x39 - 0x3F allowing other I2C devices with address 0x38 to be used at the same time
Change supported MCP230xx I2C address range to 0x20 - 0x26 allowing other I2C devices with address 0x27 to be used at the same time
Add Keep last channels values when Color command end with '=' (#6799)
Add support for I2C sensor TLS2591 Light Intensity sensor (#6873)
Change Kept only NEC/RC5/RC6/HASH IR protocols in standard Tasmota, all other protocols require Tasmota-IR, saving 4K
Add command SetOption76 0/1 to enable incrementing bootcount when deepsleep is enabled (#6930)
Change Reset erase end address from as seen by SDK (getFlashChipSize) to full flash size (getFlashChipRealSize)
Change Zigbee log verbosity reduction

7.0.0.3 20191103

Add command I2cDriver for I2C driver runtime control using document I2CDEVICES.md
Fix random crash caused by UPNP flood
Add support for Honeywell HPMA115S0 particle concentration sensor by David Hunt (#6843)
Remove driver xsns_12_ads1115_i2cdev replaced by xsns_12_ads1115

7.0.0.2 20191102

Add command WebColor19 to control color of Module and Name (#6811)
Add support for Honeywell I2C HIH series Humidity and Temperetaure sensor (#6808)
Fix wrong Dimmer behavior introduced with #6799 when SetOption37 < 128
Change add DS18x20 support in Tasmota-IR
Add Zigbee command support, considered as v1.0 for full Zigbee support
Fix Reduce flash size after change to IRremoteESP8266 v2.7.0

7.0.0.1 20191027

Remove update support for versions before 6.0
Change default GUI to dark theme
Add command SetOption73 0/1 to re-enable HTTP Cross-Origin Resource Sharing (CORS) now default disabled (#6767)
Add frequency to ADE7953 energy monitor as used in Shelly 2.5 by ljakob (#6778)
Add command SetOption74 0/1 to enable DS18x20 internal pull-up and remove define DS18B20_INTERNAL_PULLUP (#6795)
Fix better control of RGB/White when SetOption37 >128, added Dimmer1 and Dimmer2 commands (#6714)
Add hide Alexa objects with friendlyname starting with '$' (#6722, #6762)
Add command SetOption75 0/1 to switch between grouptopic (0) using fulltopic replacing %topic% or (1) is cmnd/<grouptopic> (#6779)
Change IRremoteESP8266 library to v2.7.0

6.7.1.1 20191026

Change ArduinoSlave to TasmotaSlave
Add support for Tuya battery powered devices (#6735)
Change repository name from Sonoff-Tasmota to Tasmota and all code references from Sonoff to Tasmota

6.7.1 20191026

Release Allison
Fix on energy monitoring devices using PowerDelta Exception0 with epc1:0x4000dce5 = Divide by zero (#6750)
Fix Script array bug (#6751)

6.7.0 20191025

Release

6.6.0.21 20191022

Remove support for WPS and SmartConfig in favour of Web server (!) based WifiManager (#6680)
Remove binary sonoff-classic (#6680)
Remove command SetOption2

6.6.0.20 20191018

Add command SetOption65 0/1 to disable (1) fast power cycle detection fixing unwanted brownout trigger
Add absolute PowerDelta using command PowerDelta 101..32000 where 101 = 101-100 = 1W, 202 = 202-100 = 102W (#5901)
Add support for EX-Store WiFi Dimmer V4 (#5856)
Add ZigbeeRead command and many improvements (#6095)
Add ArduinoSlave driver (EXPERIMENTAL)

6.6.0.19 20191018

Replace obsolete xsns_23_sdm120 with xnrg_08_sdm120 and consolidate define USE_SDM120
Replace obsolete xsns_25_sdm630 with xnrg_10_sdm630 and consolidate define USE_SDM630
Replace obsolete xsns_49_solaxX1 with xnrg_12_solaxX1 (#6677)

6.6.0.18 20191010

Add command DimmerRange in Light module to support 2 byte dimming ranges from Tuya
Add Zigbee additional commands and sending messages to control devices (#6095)
Fix Rules were not triggered with IR unknown protocol or in sonoff-it (#6629)
Add define USE_DEEPSLEEP and command DeepSleepTime 0 or 10..86400 (seconds) to enter deepsleep mode (#6638)
Add define USE_SONOFF_RF to enable/disable Sonoff Rf support (#6648)
Add incremental beeps to Ifan03 remote control fan speed buttons (#6636)
Add rule support after every command execution like Fanspeed#Data=2 (#6636)
Fix handling of ligth channels when pwm_multichannel (Option68) is enabled
Add WebUI for multiple, independent PWM channels
Remove default DS18B20 driver and only support define DS18x20 (#6647)
Add support for PMS3003 dust particle sensor
Change Sonoff L1 support by adding define USE_SONOFF_L1

6.6.0.17 20191009

Add command SetOption34 0..255 to set backlog delay. Default value is 200 (mSeconds) (#6562)
Add command Gpio 255 to show physical GPIO configuration of all non-flash pins (#6407)

6.6.0.16 20191008

Change PZEM004T default address mask from 0.0.0.x to 192.168.1.x for legacy reason (#6585)
Fix PZEM004T, PZEMAC and PZEMDC autodetection (#6585)
Change light drivers internals to ease management

6.6.0.15 20191003

Change command PulseTime JSON message format and allow display of all pulsetimer information (#6519)
Add support for Chint DDSU666 Modbus energy meter by Pablo Zerón
Add support for SM2135 as used in Action LSC Smart Led E14 (#6495)
Add command SetOption72 0/1 to switch between software (0) or hardware (1) energy total counter (#6561)
Add Zigbee tracking of connected devices and auto-probing of Manuf/Model Ids
Fix better handling of PWM White Temperature mode for Module 48 (#6534)

6.6.0.14 20190925

Change command Tariffx to allow time entries like 23 (hours), 1320 (minutes) or 23:00. NOTE: As this is development branch previous tariffs are lost! (#6488)
Remove support for define USE_DS18x20_LEGACY and legacy DS18x20 driver (#6486)
Add initial support for MQTT logging using command MqttLog <loglevel> (#6498)
Add Zigbee more support - collect endpoints and clusters, added ZigbeeDump command
Add initial support for shutters by Stefan Bode (#288)
Add command to MCP230xx: sensor29 pin,0/1/2 for OFF/ON/TOGGLE
Add initial support for PCF8574 I2C I/O Expander (currently output only) by Stefan Bode
Add command SetOption71 0/1 to switch between different Modbus Active Energy registers on DDS238-2 energy meters (#6531)
Change command SetOption43 to make it more general. Now supports PS_16_DZ driver too (#6544)
Change command handling by moving buffers up in chain solving MQTTlog support (#6529)
Change detection of non-MQTT commands by allowing non-space characters as delimiter (#6540)
Fix TasmotaSerial: move serial send to IRAM for high speed baud rates

6.6.0.13 20190922

Add command EnergyReset4 x,x to initialize total usage for two tarrifs
Add command EnergyReset5 x,x to initialize total export (or production) for two tarrifs
Add command Sensor34 8,0 and Sensor34 8,1 to disable/enable JSON message on weight change over 4 gram
Add JSON array index support to rules evaluation allowing trigger on ENERGY#POWER[2]>0.60 from JSON ..,"Power":[0.00,0.68],.. (#6160)

6.6.0.12 20190910

Redesign command Tariff to now default to 0 (=disabled) and allowing to set both Standard Time (ST) and Daylight Savings Time (DST) start hour
Commands Tariff1 22,23 = Tariff1 (Off-Peak) ST,DST Tariff2 (Standard) 6,7 = Tariff2 ST,DST Tariff9 0/1 = Weekend toggle (1 = Off-Peak during weekend)
Change rename "Data" to "Hash" and limit to 32 bits when receiving UNKNOWN IR protocol (see DECODE_HASH from IRremoteESP8266)
Add command Gpios 255/All to show all available GPIO components (#6407)
Change JSON output format for commands Adc, Adcs, Modules, Gpio and Gpios from list to dictionary (#6407)
Add Zigbee support phase 3 - support for Xiaomi lumi.weather air quality sensor, Osram mini-switch
Change energy sensors for three phase/channel support
Add support for Shelly 2.5 dual energy (#6160)
Add initial support for up to three PZEM-014/-016 on serial modbus connection with addresses 1 (default), 2 and 3 (#2315)
Add initial support for up to three PZEM-004T on serial connection with addresses x.x.x.1 (default), 2 and 3 (#2315)
Add initial support for up to three PZEM-003/-017 on serial modbus connection with addresses 1 (default), 2 and 3 (#2315)
Add driver USE_SDM630_2 as future replacement for USE_SDM630 - Pls test and report
Add command ModuleAddress 1/2/3 to set Pzem module address when a single module is connected (#2315)

6.6.0.11 20190907

Change Settings crc calculation allowing short term backward compatibility
Add support for up to 4 INA226 Voltage and Current sensors by Steve Rogers (#6342)
Change Improve reliability of TasmotaSerial at 115200 bauds and reduce IRAM usage for Stage/pre-2.6
Add support for A4988 stepper-motor-driver-circuit by Tim Leuschner (#6370)
Add support for Hiking DDS238-2 Modbus energy meter by Matteo Campanella (#6384)

6.6.0.10 20190905

Redesign Tuya support by Shantur Rathore removing commands SetOption34, 41, 44, 45, 46 and 65 (#6353)
Add command Reset 99 to reset bootcount to zero (#684, #6351)
Change command Time 1/2/3 to select JSON time format ISO, ISO + Epoch or Epoch for legacy reason

6.6.0.9 20190828

Change theoretical baudrate range to 300..19660500 bps in 300 increments (#6294)
Add Full support of all protocols in IRremoteESP8266, to be used on dedicated-IR Tasmota version. Warning: +81k Flash when compiling with USE_IR_REMOTE_FULL
Add compile time define USE_WS2812_HARDWARE to select hardware type WS2812, WS2812X, WS2813, SK6812, LC8812 or APA106 (DMA mode only)
Add 'sonoff-ir' pre-packaged IR-dedicated firmware and 'sonoff-ircustom' to customize firmware with IR Full protocol support
Add Zigbee support phase 2 - cc2530 initialization and basic ZCL decoding
Add driver USE_SDM120_2 with Domoticz P1 Smart Meter functionality as future replacement for USE_SDM120 - Pls test and report
Add command Power0 0/1/2/Off/On/Toggle to control all power outputs at once (#6340)
Add time to more events (#6337)
Add command Time 1/2/3 to select JSON time format ISO + Epoch, ISO or Epoch

6.6.0.8 20190827

Add Tuya Energy monitoring by Shantur Rathore
Add phase 1 Domoticz P1 Smart Meter support using energy sensors handled by xdrv_03_energy.ino based on an idea by pablozg
Add commands Tariff1 0..23 (start Off-Peak hour), Tariff2 0..23 (start Standard hour) and Tariff3 0/1 (Saturday and Sunday Off-Peak)

6.6.0.7 20190825

Expand Settings area to 4k for future use

6.6.0.6 20190819

Add I2C display driver for SH1106 oled by Gerhard Mutz
Add SPI display drivers for epaper 4.2 inch, ILI9488 TFT, SSD1351 Color oled and RA8876 TFT by Gerhard Mutz
Add support for HM17 bluetooth LE passive scan of ibeacon devices by Gerhard Mutz

6.6.0.5 20190816

Add command WebSensor 0/1 to control display of sensor data in web GUI (#6085)
Change some table locations from RAM to Flash
Fix wrong telemetry message when SetOption68 1 (#6191)
Add support for RDM6300 125kHz RFID Reader by Gerhard Mutz

6.6.0.4 20190806

Add support for CHIRP soil moisture sensor by Christian Baars
Add debug compile features using defines DEBUG_TASMOTA_CORE, DEBUG_TASMOTA_DRIVER and DEBUG_TASMOTA_SENSOR.
See DEBUG_CORE_LOG example in sonoff.ino and DEBUG_DRIVER_LOG example in xdrv_09_timers.ino
Add support for Solax X1 inverter by Pablo Zerón
Add ZigBee support phase 1 - low level MQTT ZNP messages for CC2530 devices
Add command Buzzer with optional parameters ,<duration of beep in 100mS steps>,<duration of silence in 100mS steps> enabled when a buzzer is configured (#5988)
Add support for PAJ7620 gesture sensor by Christian Baars

6.6.0.3 20190725

Change filename of configuration backup from using FriendlyName1 to Hostname solving diacritic issues (#2422)
Change Store AWS IoT Private Key and Certificate in SPI Flash avoiding device-specific compilations
Upgrade library IRRemoteEsp8266 to 2.6.4, now using sendPioneer()
Add support for MAX31865 Thermocouple sensor by Alberto Lopez Siemens
Add option 0 to Width1 (Marker), Width2 (Second), Width3 (Minute) and Width4 (Hour) disabling display (#6152)
Add MqttCount metric to STATE (#6155)
Add define USE_ENERGY_MARGIN_DETECTION to disable Energy Margin and Power Limit detection
Add define USE_ENERGY_POWER_LIMIT to disable Energy Power Limit detection while Energy Margin detection is active
Add allow repeat/longpress for IRSend raw, introduced IRSend option (#6074)
Add SetOption68 to enable multi-channel PWM instead of a single light (#6134)

6.6.0.2 20190714

Change commands Var and Mem to show all parameters when no index is given (#6107)
Add command SetOption67 0/1 to disable or enable a buzzer as used in iFan03
Add command DisplayWidth to set pixel width on supported devices
Add command DisplayHeight to set pixel height on supported devices
Add support for Sonoff iFan03 as module 71 (#5988)
Add support for a buzzer
Add support for IRSend long press ('repeat' feature from IRRemoteESP8266) (#6074)
Add support for IRHVAC Midea/Komeco protocol (#3227)
Add support for more IRSend protocols enabled in my_user_config.h
Add support for IRSend Pioneer protocol (#6100)
Add Oled reset GPIO option "OLED reset"

6.6.0.1 20190708

Fix Domoticz battery level set to 100 if define USE_ADC_VCC is not used (#6033)
Fix Force Elliptic Curve for Letsencrypt TLS #6042
Fix WeMo emulation for 1G echo and 2G echo dot (#6086)
Fix Xiaomi Philips brightness (#6091)
Change defines USE_TX20_WIND_SENSOR and USE_RC_SWITCH in my_user_config.h to disable to lower iram usage enabling latest core compilation (#6060, #6062)
Add blend RGB leds with White leds for better whites (#5895, #5704)
Add command SetOption41 0..8 to control number of Tuya switches (#6039)
Add command SetOption42 0..255 to set overtemperature (Celsius only) threshold resulting in power off all on energy monitoring devices. Default setting is 90 (#6036)
Add command SetOption66 0/1 to enable or disable Tuya dimmer range 255 slider control
Add command Time to disable NTP and set UTC time as Epoch value if above 1451602800 (=20160101). Time 0 re-enables NTP (#5279)
Add AZ7798 automatic setting of clock display (#6034)
Add Epoch and UptimeSec to JSON messages (#6068)
Add support for up to 4 INA219 sensors (#6046)

6.6.0 20190707

Remove support of TLS on core 2.3.0 and extent support on core 2.4.2 and up
Remove MQTT uptime message every hour
Refactor some defines to const
Refactor webserver HTML input, button, textarea, and select name based on id
Refactor webserver sensor data collection
Refactor TLS based on BearSSL, warning breaking change for fingerprints validation
Refactor management of lights, using classes and integers instead of floats
Refactor UDP initial message handling from string to char using static memory and add debug info (#5505)
Refactor IRSend and receive for 64-bit support (#5523)
Refactor MQTT which might solve issue (#5755)
Refactor IRSend by using heap when more than 199 values need to be send. May need increase of define MQTT_MAX_PACKET_SIZE too (#5950)
Refactor double to float in rules, and replaced trigonometric functions from stdlib with smaller versions (#6005)
Change pubsubclient MQTT_KEEPALIVE from 10 to 30 seconds for AWS IoT support
Change gamma correction as default behavior, ie "Ledtable 1"
Change PWM resolution from 8 to 10 bits for low brightness lights
Change IRSend Panasonic protocol to 64-bit (#5523)
Change ADC0 to enabled by default in my_user_config.h (#5671)
Change define USE_EMULATION by USE_EMULATION_HUE and USE_EMULATION_WEMO (#5826)
Change default PowerDelta from 80% to 0% on new installations (#5858, #5028, #4813, #4130, #4145, #3795, #3778, #3660, #3648)
Fix display Bug in KNX webmenu for Physical Address
Fix the Unescape() function and the SendSerial3 behaviour
Fix webserver multiple Javascript window.onload functionality
Fix TasmotaSerial at 9600 bps solving DFPlayer comms (#5528)
Fix Configure Timer Web GUI (#5568)
Fix Shelly 2.5 I2C address priority issue when VEML6070 code is present by disabling VEML6070 for Shelly 2.5 (#5592)
Fix use of SerialDelimiter value 128 (#5634)
Fix Sonoff Pow R2 / S31 invalid energy increments (#5789)
Fix core 2.5.x ISR not in IRAM exception (#5837)
Fix Philips Hue emulation Alexa issue by using part of MAC address for LightId (#5849)
Fix missing white channel for WS2812 (#5869)
Fix PZem startup issue (#5875)
Fix exception 9 when syslog is enabled and NTP is just synced (#5917)
Fix Toggle functionality to button double press when one button and two devices are detected (#5935)
Fix channel command for dual dimmers (#5940)
Fix not restoring white value on power off/power on (#5993)
Add command AdcParam to control ADC0 Temperature and Light formula parameters
Add command LedMask to assign which relay has access to power LED (#5602, #5612)
Add extended LED power control using command LedPowerX where X is 1 to 4. Enabled when "LedLink(i)" is configured too (#5709)
Add command Sensor20 1..255 to change Nova Fitness SDS01 working period in minutes (#5452)
Add command SetOption38 6..255 to set IRReceive protocol detection sensitivity mimizing UNKNOWN protocols (#5853)
Add command SetOption39 1..255 to control CSE7766 (Pow R2) or HLW8032 (Blitzwolf SHP5) handling of power loads below 6W. Default setting is 128 (#5756)
Add command SetOption40 0..250 to disable button functionality if activated for over 0.1 second. Needs SetOption1 1 and SetOption13 0 (#5449)
Add command SetOption63 0/1 to disable relay state feedback scan at restart (#5594, #5663)
Add command SetOption64 0/1 to switch between "-" or "_" as sensor index separator impacting DS18X20, DHT, BMP and SHT3X sensor names (#5689)
Add command SetOption65 0/1 and more Tuya Serial based device support (#5815)
Add command WebColor to change GUI colors on the fly
Add support for AWS IoT with TLS 1.2 on core 2.4.2 and up. Full doc here: https://github.com/arendst/Tasmota/wiki/AWS-IoT
Add support for Badger HR-E Water Meter (#5539)
Add support for Shelly 2.5 Energy and overtemp Monitoring (#5592)
Add support for color and colortone for Philips Hue emulation via Alexa (#5600 #4809)
Add support for Scripts as replacement for Rules. Default disabled but can be enabled in my_user_config.h (#5689)
Add support for up to four LEDs related to four power outputs. Enabled when "LedLink(i)" is configured too (#5709)
Add support for Shelly 1PM Template {"NAME":"Shelly 1PM","GPIO":[56,0,0,0,82,134,0,0,0,0,0,21,0],"FLAG":2,"BASE":18} (#5716)
Add support for SPS30 Particle sensor thanks to Gerhard Mutz (#5830)
Add support for VL53L0x time of flight sensor. Might interfere with TSL2561 using same I2C address (#5845)
Add support for Sonoff L1 thanks to reef-actor (#6002)
Add rule Http#Initialized
Add rule System#Save executed just before a planned restart
Add rule support for single JSON value pair like {"SSerialReceived":"on"} by expanding it to {"SSerialReceived":{"Data":"on"}} allowing for trigger SSerialReceived#Data=on (#5638)
Add define USE_COUNTER to my_user_config.h to save space in sonoff-basic.bin and sonoff-minimal.bin
Add define USE_DHT to my_user_config.h to save space in sonoff-basic.bin
Add defines USE_EMULATION_WEMO and USE_EMULATION_HUE to my_user_config.h to control emulation features at compile time (#5826)
Add Toggle functionality to button double press when more devices are detected
Add device OverTemp (>73 Celsius) detection to Energy Monitoring devices with temperature sensor powering off all outputs
Add Tuya Dimmer 10 second heartbeat serial packet required by some Tuya dimmer secondary MCUs
Add all temperature, humidity and pressure for global access
Add validation check when loading settings from flash
Add HX711 weight restore after controlled restart or after power restore just before executing command Sensor34 7 (#5367, #5786)
Add GUI hexadecimal color options in my_user_config.h (#5586)
Add alternative IRSend command syntax IRSend raw,<freq>,<header mark>,<header space>,<bit mark>,<zero space>,<one space>,<bit stream> (#5610)
Add user configurable ADC0 to Module and Template configuration compatible with current FLAG options (#5671)
Add AriLux RF control GPIO option "ALux IrSel" (159) replacing "Led4i" (59) for full LED control (#5709)
Add LED GPIO option "LedLink" (157) and "LedLinki" (158) to select dedicated link status LED (#5709)
Add all 5 PWM channels individually adressable with LEDs. (#5741)
Add reset of Energy values when connection to sensor is lost for over 4 seconds (#5874, #5881)
Add checkbox to GUI password field enabling visibility during password entry only (#5934)

6.5.0 20190319

Remove commands SetOption14 and SetOption63 as it has been superseded by command Interlock
Remove command SetOption35 0-255 for mDNS start-up delay (#4793)
Remove support for MQTT_LIBRARY_TYPE, MQTT_ARDUINOMQTT and MQTT_TASMOTAMQTT (#5474)
Change webserver content handling from single String to small Chunks increasing RAM
Change code use of boolean to bool and byte to uint8_t
Change code uint8_t flags to bool flags
Change sonoff_template.h layout regarding optional module flags like ADC0
Change sonoff_template.h module lay-out by removing non-configurable GPIOs
Change button driver making it modular
Change switch driver making it modular and introduce input filter (#4665, #4724)
Change switch input detection by optimizing switch debounce (#4724)
Change web authentication (#4865)
Change image name BE_MINIMAL to FIRMWARE_MINIMAL and USE_xyz to FIRMWARE_xyz (#5106)
Change GUI weblog from XML to plain text solving possible empty screens (#5154)
Fix most compiler warnings
Fix Display exception 28 when JSON value is nullptr received
Fix epaper driver (#4785)
Fix HAss Sensor Discovery Software Watchdog restart (#4831, #4988)
Fix allowable MAX_RULE_VARS to 16 (#4933)
Fix mDNS addService (#4938, #4951)
Fix HAss discovery of MHZ19(B) sensors (#4992)
Fix some exceptions and watchdogs due to lack of stack space (#5215)
Fix GUI wifi password acception starting with asteriks (*) (#5231, #5242)
Fix command WebSend intermittent results (#5273, #5304)
Fix additional characters in fallbacktopic, hostname and mqttclient on core 2.5.0 (#5359, #5417)
Fix Energy TotalStartTime when commands EnergyReset0 and/or EnergyReset3 used (#5373)
Fix DS18S20 temperature calculation (#5375)
Fix float calculations in range from 0 to -1 (#5386)
Fix exception on GUI Configure Logging and Configure Other (#5424)
Add commands PowerCal, VoltageCal and CurrentCal for HLW8012, HJL01 and BL0937 based energy sensors
Add command SerialDelimiter 128 to filter reception of only characters between ASCII 32 and 127 (#5131)
Add command SSerialSend5 <hexdata> to SerialBridge
Add command Interlock 0 / 1 / 1,2 3,4 .. to control interlock ON/OFF and add up to 8 relays in 1 to 4 interlock groups (#4910, #5014)
Add command Template 255 to copy module configuration over to current active template and store as user template named Merged (#5371)
Add command WifiConfig 7 to allow reset of device in AP mode without admin password (#5297)
Add command SetOption36 to control boot loop default restoration (#4645, #5063)
Add command SetOption37 for RGBCW color mapping (#5326)
Add command SetOption55 0/1 and define MDNS_ENABLE to disable/enable mDNS (#4793, #4923)
Add command SetOption62 0/1 to disable retain on Button or Switch hold messages (#5299)
Add support for Smanergy KA10 Smart Wall Socket with Energy monitoring
Add support for commands in sensor drivers
Add support for MAX31855 K-Type thermocouple sensor using softSPI (#4764)
Add support for Near Field Communication (NFC) controller PN532 using Serial (#4791, #5162)
Add support for OBI Power Socket 2 (#4829)
Add support for YTF IR Bridge (#4855)
Add support for Mi LED Desk Lamp with rotary switch (#4887)
Add support for Digoo DG-SP202 Smart Socket with Energy monitoring (#4891)
Add support for MAX44009 Ambient Light sensor (#4907)
Add support for inverted buttons and inverted buttons without pullup (#4914)
Add support for Luminea ZX2820 Smart Socket with Energy monitoring (#4921)
Add support for multiple ADS1115 I2C devices (#5083)
Add support for online template change using command Template or GUI Configure Other (#5177)
Add support for Korean language translations (#5344)
Add support for sensor SCD30 (#5434)
Add parameter CFG_HOLDER to status 1 message (#5206)
Add SetOption32 until SetOption49 diagnostic information to Status 3 report as replacement for second property value in SetOption property name
Add Resolution property to Status 3 report providing previous SetOption second value property
Add property MqttCount to status 6 message representing number of Mqtt re-connections
Add property LinkCount to state and status 11 message representing number of Wifi Link re-connections
Add property Downtime to state and status 11 message representing the duration of wifi connection loss
Add variable %timestamp% to rules (#4749)
Add rule support for "==", "!=" ">=" and "<=" (#5122)
Add rule expression enabled by define USE_EXPRESSION in my_user_config.h (#5210)
Add Power status functionality to LED2 when configured leaving LED1 for Link status indication
Add user configuration of HLW8012 and HJL-01/BL0937 Energy Monitoring as used in Sonoff Pow and many Tuya based devices
Add user configuration of MCP39F501 Energy Monitoring as used in Shelly2
Add online template configuration using both commands and Configure Template menu option in GUI
Add (S)SerialSend3 escape sequence \x to allow hexadecimal byte value (#3560, #4947)
Add define DS18B20_INTERNAL_PULLUP to select internal input pullup when only one DS18B20 sensor is connected eliminating external resistor (#4738)
Add button control when no relay configured (#4682)
Add startup delay of 4 seconds to button control (#4829)
Add core version conditional compile options to provided PWM files (#4917)
Add resiliency to saved Settings (#5065)
Add MHZ19 Temperature as Domoticz Temperature selection (#5128)
Add HAss status sensor (#5139)
Add status message to former declined group commands (#5145)
Add 0x to IRRemote (SetOption29) and RCSwitch (SetOption28) received hexadecimal data (#5431)

6.4.1 20181224

Change RAM usage BMP/BME I2C sensors
Change FallbackTopic from cmnd/<mqttclient>/ to cmnd/<mqttclient>_fb/ to discriminate from Topic (#1528)
Change FallbackTopic detection (#4706)
Change Hass discovery to short MQTT messages as used by Hass 0.81 and up (#4711)
Change MQTT GUI password handling (#4723)
Fix possible dtostrf buffer overflows by increasing buffers
Fix wifi strongest signal detection (#4704)
Fix Alexa "this value is outside the range of the device". Needs power cycle and Alexa deletion/discovery cycle. (#3159, #4712)
Add Slovak language file (#4663)
Add support for AZ-Instrument 7798 CO2 meter/datalogger (#4672)
Add define WIFI_SOFT_AP_CHANNEL in my_user_config.h to set Soft Access Point Channel number between 1 and 13 as used by Wifi Manager web GUI (#4673)
Add define USE_MQTT_TLS_CA_CERT for checking MQTT TLS against root ca using Let's Encrypt cert from sonoff_letsencrypt.h - not supported with core 2.3.0 (#4703)

6.4.0 20181217

Change GUI Configure Module by using AJAX for data fetch to cut page size (and memory use) by 40% In case of web page errors clear your browser cache or do Page Reload (F5 or Ctrl+R)
Change enforcing flashmode dout but it is still mandatory
Change bootcount update (being first) flash write to 10 seconds after restart
Change display and epaper drivers
Change command WebSend Host header field from IP address to hostname (#4331)
Change log buffer size from 512 to 520 to accommodate http sensor data (#4354)
Change default WIFI_CONFIG_TOOL from WIFI_WAIT to WIFI_RETRY in my_user_config.h (#4400)
Change webgui refresh time delay for Save Settings and local OTA Upload (#4423)
Change SR-04 driver to use NewPing library (#4488)
Change MCP230xx driver to support interrupt retention over teleperiod (#4547)
Change support for MPU6050 using DMP (#4581)
Fix unintended function overload of WifiState
Fix wifi connection errors using wifi disconnect and ESP.reset instead of ESP.restart
Fix Sonoff Pow R2 and Sonoff S31 Serial interface hang caused by Sonoff Basic R2 driver delay implementation (and possibly core bug)
Fix MQTT connection error after restart
Fix wifi re-scan connection baseline
Fix possible strncat buffer overflows
Fix intermittent Pzem sensor energy overflow calculation error
Fix shelly2 ghost switching caused by lack of pull-up inputs (#4255)
Fix hardware serial pin configuration. To keep using hardware serial swap current Rx/Tx pin configuration only (#4280)
Fix MqttRetry values above 255 seconds (#4424)
Fix WifiManager functionality on initial installation (#4433)
Fix ArduinoOTA for Core 2.5.0 (#4620)
Add minutes to commands Timezone to allow all possible world timezones
Add more strict checks for GPIO selections
Add code image and optional commit number to version
Add dynamic delay to main loop providing time for wifi background tasks
Add additional start-up delay during initial wifi connection
Add support for decoding Theo V2 sensors as documented on https://sidweb.nl using 434MHz RF sensor receiver
Add support for decoding Alecto V2 sensors like ACH2010, WS3000 and DKW2012 weather stations using 868MHz RF sensor receiver
Add user definition of defines WIFI_RSSI_THRESHOLD (default 10) and WIFI_RESCAN_MINUTES (default 44)
Add command SetOption58 0/1 to enable IR raw data info in JSON message (#2116)
Add command IRSend |0,,,.. to allow raw data transmission (#2116)
Add command SetOption56 0/1 to enable wifi network scan and select highest RSSI (#3173)
Add command SetOption57 0/1 to enable wifi network re-scan every 44 minutes with a rssi threshold of 10 to select highest RSSI (#3173)
Add support for SDM220 (#3610)
Add default sleep 1 to sonoff-basic to lower energy consumption (#4217)
Add wifi status to Tuya (#4221)
Add delays to reduce CPU usage at boot time (#4233)
Add command SetOption24 0/1 to select pressure unit as hPa or mmHg (#4241)
Add optional hardware serial when GPIO13(Rx) and GPIO15(Tx) are selected removing hardware serial from GPIO01(Tx) and GPIO03(Rx) (#4288)
Add support for Gosund SP1 v2.3 Power Socket with Energy Monitoring (#4297)
Add support for Armtronix dimmers. See wiki for info (#4321)
Add to command WebSend option to send a direct path when command starts with a slash (#4329)
Add support for LG HVac and IrRemote (#4377)
Add initial support for Hass sensor discovery (#4380)
Add support for Fujitsu HVac and IrRemote (#4387)
Add support for I2C MGC3130 Electric Field Effect sensor by Christian Baars (#3774, #4404)
Add command CalcRes to set number of decimals (0 - 7) used in commands ADD, SUB, MULT and SCALE (#4420)
Add CPU average load to state message (#4431)
Add command SetOption59 0/1 to change state topic from tele/STATE to stat/RESULT (#4450)
Add support for SM Smart Wifi Dimmer PS-16-DZ (#4465)
Add support for Teckin US Power Socket with Energy Monitoring (#4481)
Add command SetOption60 0/1 to select dynamic sleep (0) or sleep (1) (#4497)
Add support for iFan02 Fanspeed in Domoticz using a selector (#4517)
Add support for GPIO02 for newer Sonoff Basic (#4518)
Add Announce Switches to MQTT Discovery (#4531)
Add support for Manzoku Power Strip (#4590)

6.3.0 20181030

Change web Configure Module GPIO drop down list order for better readability
Change status JSON message providing more switch and retain information
Change xsns_17_senseair.ino to use TasmotaModbus library
Change MCP230xx driver
Change PubSubClient Mqtt library to non-blocking EspEasy version
Change energy monitoring using energy sensor driver modules
Change Webserver page handler for easier extension (thx to Adrian Scillato)
Change pinmode for no-pullup defined switches to pullup when configured as switchmode PUSHBUTTON (=3 and up) (#3896)
Change default OTA Url to http://thehackbox.org/tasmota/release/sonoff.bin (#4170)
Remove support for MQTT Client esp-mqtt-arduino by #define MQTT_LIBRARY_TYPE MQTT_ESPMQTTARDUINO
Remove commands PowerCal, VoltageCal and CurrentCal as more functionality is provided by commands PowerSet, VoltageSet and CurrentSet
Remove restart after ntpserver change and force NTP re-sync (#3890)
Fix showing Period Power in energy threshold messages
Fix header file execution order by renaming user_config.h to my_user_config.h
Fix some TSL2561 driver issues (#3681)
Fix KNX PA exception. Regression from 6.2.1 buffer overflow caused by subStr() (#3700, #3710)
Fix setting and getting color temperature for Philips Hue emulation (#3733)
Fix ButtonRetain to not use default topic for clearing retain messages (#3737)
Fix syslog when emulation is selected (#2109, #3784)
Fix rule trigger POWER1#STATE execution after restart and SetOption0 is 0 (#3856)
Fix Home Assistant forced light discovery (#3908)
Fix invalid configuration restores and decode_config.py crc error when savedata = 0 (#3918)
Fix timer offset -00:00 causing 12:00 hour offset (#3923)
Fix I2CScan invalid JSON error message (#3925)
Fix exception when wrong Domoticz JSON message is received (#3963)
Fix Sonoff Bridge RfRaw receive (#4080, #4085)
Fix possible wifi connection error (#4044, #4083)
Fix invalid JSON floating point result from nan (Not a Number) and inf (Infinity) into null (#4147)
Fix rule mqtt#connected trigger when mqtt is disabled (#4149)
Add support for LCD, Matrix, TFT and Oled displays
Add support for Neo Coolcam Wifi Smart Power Plug
Add support for Michael Haustein ESP Switch
Add support for MQTT Client based on lwmqtt to be selected by #define MQTT_LIBRARY_TYPE MQTT_ARDUINOMQTT
Add support for Neo Coolcam Wifi Smart Power Plug
Add support for Michael Haustein ESP Switch
Add support for MQTT Client based on lwmqtt to be selected by #define MQTT_LIBRARY_TYPE MQTT_ARDUINOMQTT
Add support for DS3231 Real Time Clock
Add support for HX711 Load Cell with optional web GUI scale interface to demonstrate easy GUI plug-in
Add support for serial 8N2 communication to TasmotaModbus and TasmotaSerial libraries
Add support for RF transceiving using library RcSwitch (#2702)
Add support for Shelly 1 and Shelly 2 (#2789)
Add support for La Crosse TX20 Anemometer (#2654, #3146)
Add support for MP3 player using DFRobot RB-DFR-562 (#3723)
Add Support for Xiaomi-Philips Bulbs (#3787)
Add support for PCA9685 12bit 16pin hardware PWM driver (#3866)
Add support for EXS Relay V5.0 (#3810)
Add support for OBI Power Socket (#1988, #3944)
Add support for Teckin Power Socket with Energy Monitoring (#3950)
Add support for Pzem-003/017 DC Energy monitoring module (#3694)
Add support for Pzem-014/016 AC Energy monitoring module (#3694)
Add support for CSL Aplic WDP 303075 Power Socket with Energy Monitoring (#3991, #3996)
Add support for Tuya Dimmer (#469, #4075)
Add command Display to show all settings at once
Add command SerialSend5 to send raw serial data like "A5074100545293"
Add command WebRefresh 1000..10000 to control web page refresh in milliseconds. Default is 2345
Add command WeightRes 0..3 to control display of decimals for kilogram
Add command RGBWWTable to support color calibration (#3933)
Add command Reset 4 (reset to defaults but keep wifi params) and Reset 5 (as reset 4 and also erase flash) (#4061)
Add command SetOption35 0..255 (seconds) to delay mDNS initialization to control possible Wifi connect problems
Add command SetOption52 0/1 to control display of optional time offset from UTC in JSON messages (#3629, #3711)
Add command SetOption53 0/1 to toggle gui display of Hostname and IP address (#1006, #2091)
Add authentication to HTTP web pages
Add decimals as input to commands PowerSet, VoltageSet and CurrentSet
Add tools/decode-config.py by Norbert Richter to decode configuration data. See file for information
Add define USE_DISPLAYS for selecting image sonoff-display
Add define USE_BASIC for selecting image sonoff-basic without most sensors
Add auto reload of main web page to some web restarts
Add TasmotaModbus library as very basic modbus wrapper for TasmotaSerial
Add more API callbacks and document API.md
Add Apparent Power and Reactive Power to Energy Monitoring devices (#251)
Add token %hostname% to command FullTopic (#3018)
Add Wifi channel number to state message (#3664)
Add user configurable GPIO02 and GPIO03 on H801 devices (#3692)
Add toggle function RGBW lights (#3695, #3697)
Add network information to display start screen (#3704)
Add sleep to Nova Fitness SDS01X sensor (#2841, #3724, #3749)
Add Analog input AD0 enabled to sonoff-sensors.bin (#3756, #3757)
Add power value below 5W to Sonoff Pow R2 and S31 (#3745)
Add RF Receiver control to module MagicHome to be used on Arilux LC10 (#3792)
Add userid/password option to decode-status.py (#3796)
Add delay after restart before processing rule sensor data (#3811)
Add force_update to Home Assistant discovery (#3873)
Add rule triggers SWITCH1#BOOT and POWER1#BOOT (#3904, #3910)
Add Hebrew language file (#3960)
Add TotalStartTime to Energy JSON message (#3971)
Add whitespace removal from RfRaw and SerialSend5 (#4020)
Add support for two BMP/BME sensors (#4195)

6.2.1 20180905

Fix possible ambiguity on command parameters if StateText contains numbers only (#3656)
Fix Wemo emulation to select the first relay when more than one relay is present (#3657)
Fix possible exception due to buffer overflow (#3659)
Fix lost energy today and total energy value after power cycle (#3689)

6.2.0 20180901

Allow user override of define MAX_RULE_VARS and MAX_RULE_TIMERS (#3561)
Disable wifi sleep for both Esp8266/Arduino core 2.4.1 and 2.4.2 to solve device freeze caused by Espressif SDK bug (#3554)
Change DS18B20 driver to provide better instant results
Change some sensor drivers to provide instant results
Change define USE_ALL_SENSORS to USE_SENSORS as it doesn't contain all sensors due to duplicate I2C addresses
Change some sensor update timings: AdcEvery 200 -> 250, Senseair 300 -> 250, SDM120 300 -> 250, SDM630 300 -> 250
Change default Wifi config option from WPS to Wifi Manager if WPS is disabled or Wifi Smartconfig if webserver is disabled or Wifi Serial input if Smartconfig is disabled
Change SHT1x driver to provide better instant results and fix I2C interference
Change DHT driver to provide better instant results and add decimals to DHT11 (#3164)
Change DS18x20 driver to provide better instant results (#3169)
Change CounterType 1 from milliseconds to microseconds (#3437)
Change scheduler for better sleep support using Uptime, Delay, PulseTime and TelePeriod, Blinktime (#3581)
Remove unused functionality from Sonoff-minimal to save space
Remove WPS and SmartConfig from sonoff-minimal saving 56k code space
Remove TSL2561 debug message and update library (#2415)
Remove forced restart when sleep command is executed (#3554)
Fix invalid response using more than 4 switches and domoticz
Fix sonoff-minimal not using default settings
Fix unsecure main webpage update
Fix DHT driver mixing values for different sensors (#1797)
Fix EnergyReset3 regression not clearing total energy (#2723)
Fix rules once regression from v6.1.0 (#3198, #3226)
Fix command Scale buffer overflow (#3236)
Fix possible WDT due to long MQTT publish handling (#3313)
Fix command TimeDst/TimeStd invalid JSON (#3322)
Fix handling of default names when using names starting with shortcut character ",0,1 or 2 (#3392, #3600, #3618)
Fix LM75AD I2C sensor detection (#3408)
Fix iFan02 power on state (#3412, #3530)
Fix some Pow R2 and S31 checksum errors using optimized re-sync (#3425)
Fix SDM120 reporting wrong negative values to Domoticz (#3521)
Fix MQTT reconnection detection when using TasmotaMqtt library (#3558)
Fix OtaMagic when file path contains a dash (-) (#3563)
Fix Sonoff Bridge data reception when using Portisch EFM8 firmware using in data buffer length (#3605)
Add read sensor retry to DS18B20, DS18x20, DHT, SHT1X and HTU21
Add user selection of Wifi Smartconfig as define USE_SMARTCONFIG in user_config.h
Add boot loop detection and perform some solutions
Add wifi and mqtt status led blinkyblinky to be disabled by SetOption31 1. Does not work when LedPower is On (deliberate) (#871, #2230, #3114, #3155)
Add support for TM1638 switch (#2226)
Add GPIO options ButtonXn, SwitchXn and CounterXn to select INPUT mode instead of INPUT_PULLUP (#2525)
Add support for APDS9960 proximity sensor (#3051)
Add support for MPR121 controller in input mode for touch buttons (#3142)
Add support for MCP230xx for general purpose input expansion and command Sensor29 (#3188)
Add default Wifi Configuration tool as define WIFI_CONFIG_NO_SSID in user_config.h if no SSID is configured (#3224)
Add command Timers 0/1 to globally disable or enable armed timers (#3270)
Add support for CCS811 sensor (#3309)
Add Turkish language file (#3332)
Add command SerialSend4 to send binary serial data (#3345)
Add initial support for sensor MPU6050 (#3352)
Add rule triggers Wifi#Connected and Wifi#Disconnected (#3359)
Add option + to command Rule to concatenate new rule with existing rules (#3365)
Add message when JavaScript is not enabled in webbrowser (#3388)
Add build time setting of ButtonTopic and SwitchTopic (#3414)
Add iFan02 Fanspeed + and Fanspeed - command options (#3415)
Add Individual HSBColorX commands (#3430, #3615)
Add output support on MCP23008/MCP23017 (#3436)
Add modulo option to rules like rule1 on Time#Minute|5 do backlog power on;delay 200;power off endon (#3466)
Add RGB support for Domoticz (#3547)
Add all ruletimer values to command RuleTimer result message (#3571)
Add command Publish2 for publishing retained MQTT messages (#3593)
Add commands ButtonDebounce 40..1000 and SwitchDebounce 40..1000 to have user control over debounce timing. Default is 50mS (#3594)
Add RuleX debug options 8,9,10 (StopOnError) to control RuleX execution status after an exception restart (#3607)
Add rule variables %sunrise%, %sunset%, %uptime% and %time% (#3608)
Add optional MQTT_TELE_RETAIN to Energy Margins message (#3612, 3614)

6.1.1 20180714

Revert wifi changes (#3177)
Revert sonoff-minimal removals causing failure of wifi connection (#3177)

6.1.0 20180706

Remove version 3, 4 and pre 5.2 settings auto-upgrade. See https://github.com/arendst/Tasmota/wiki/Upgrading#migration-path
Change default CFG_HOLDER from 0x20161209 to 4617 (=0x1209) - no impact on default upgrades
Change number of supported switches from 4 to 8 (#2885, #3086)
Change BME680 driver from Adafruit to Bosch BME680 library (#2969)
Fix Pzem004T checksum error
Fix KNX bug when doing reply of sensors values
Fix rules induced LWT message
Fix possible wifi connection problem (#1366)
Fix some Pow R2 and S31 checksum errors (#1907)
Fix display selection of un-available GPIO options in Module Configuration webpage (#2718)
Fix timer re-trigger within one minute after restart (#2744)
Fix IRSend not accepting data value of 0 by David Conran (#2751)
Fix vars on rules by Adrian Scillato (#2769)
Fix bug in KNX menu by Adrian Scillato (#2770)
Fix anomalies in rules (#2778)
Fix HUE bridge V1 software version by Heiko Krupp (#2788)
Fix Hardware Watchdog restart when using event command (#2853)
Add Ukrainian language file
Add KNX support for DS18S20 Temperature sensor
Add CRC to Settings making future upgrades more fail-safe
Add feature information to Status 4
Add tools folder with python script decode-status.py for decoding some status fields like SetOption and Features
Add Slots on the KNX Web Menu to select Group Addess to receive data to trigger rules
Add two rule sets of 511 characters using commands rule1, rule2 and rule3
Add Console Commands to send KNX Commands and KNX Values
Add Slots on the KNX Web Menu to select Group Addess to send data from console commands
Add Events to trigger rules when a command or read requests is received from KNX
Add command SetOption30 to enforce Hass discovery as light group (#1784)
Add support for BlitzWolf BW-SHP2 (and Homecube, Gosund SP1) Energy Monitoring Smart Socket (#2223)
Add time in minutes to rule Time#Initialized, Time#set and Time#Minute (#2669)
Add Eastron SDM630 energy meter by Gennaro Tortone (#2735)
Add KNX communication enhancement by Adrian Scillato (#2742)
Add KNX energy data by Adrian Scillato (#2750)
Add rule support for IrReceive and RfReceive (#2758)
Add python script fw-server.py in tools folder to create a simple OTA server by Gennaro Tortone (#2759)
Add rule variables %time% for minutes since midnight, %uptime%, %sunrise% and %sunset% giving time in minutes (#2669)
Add rules %mem1% to %mem5% variable names storing data in flash (#2780)
Add rules test on %varx% or %memx% (#2780)
Add optional token %id% substituting the unique MAC address to fulltopic by Michael Graf (#2794)
Add support for Sonoff S26 Smart Socket (#2808)
Add command WebSend [(:,:)] (#2821)
Add increment and decrement value to command Counter (#2838)
Add support for Sonoff iFan02 as module 44 introducing command FanSpeed 0..3 (#2839)
Add source information to command execution to be shown with logging option 3 (#2843)
Add support for uploading Sonoff Bridge firmware found in tools/fw_efm8bb1 folder build by Portisch using Web Gui File Upload (#2886)
Add command RfRaw to control Portisch firmware features
Add support for I2C temperature sensor LM75AD (#2909)
Add option 0 to command Timers disarming all timers (#2962)
Add performance improvement when updating multiple individual WS2812 pixels (#3007)
Add command SetOption28 to switch between hex or decimal Sonoff Bridge RF received data format (#3008)
Add command SetOption29 to switch between hex or decimal IR received data format
Add decimal values support for commands ADD, SUB, MULT and SCALE (#3083, #3089)
Add support for bitflags SetOption50 .. SetOption81 (#3118)

5.14.0 20180515

Update language files
Update TasmotaSerial to 2.0.0 allowing Hardware Serial Fallback when correct connections are configured
Change command handling
Change user_config(_override).h defines TIME_STD and TIME_DST
Change user_config(_override).h otaurl to http://sonoff.maddox.co.uk/tasmota/sonoff.bin (#2588, #2602)
Fix configuration restore regression from 5.13.1
Fix compile error when ADC is enabled and Rules are disabled (#2608)
Fix rule power trigger when no backlog command is used (#2613)
Fix several timer data input and output errors (#2597, #2620)
Fix KNX config error (#2628)
Fix sensor MHZ-19 vanishing data over time (#2659)
Fix KNX reconnection issue (#2679)
Fix DST and STD time for Southern Hemisphere by Adrian Scillato (#2684, #2714)
Add Portuguese in Brazil language file
Add SetOption26 to enforce use of indexes even when only one relay is present (#1055)
Add support for sensor SI1145 UV Index / IR / Visible light (#2496)
Add rule state test for On/Off in addition to 0/1 (#2613)
Add hardware serial option to MHZ-19 sensor (#2659)
Add Eastron SDM120 energy meter by Gennaro Tortone (#2694)
Add user entry DST/STD using commands TimeStd and TimeDst (See wiki for parameter syntax) (#2721)

5.13.1 20180501

Fix JSON buffers size too small for execution in some situations (#2580)
Fix configuration restore (#2591)
Add define MODULE for user selecting default model although it preferably should not be changed (#569, #2589)

5.13.0 20180430

Change platformio option sonoff-ds18x20 to sonoff-allsensors enabling ds18x20 and all other sensors in one image
Change status display of Ssid and SetOption
Change default option SetOption15 from 0 to 1 providing better initial PWM experience
Change webpage parameter communication
Change max number of commands in Backlog from 15 to 30 and ignore commands overflowing
Change TSL2561 driver to joba library and delete Adafruit library (#1644)
Change default parameters in user_config.h to undefined for easy installation (#1851)
Change max user configurable hold time from 10 to 25 seconds (#1851)
Change Sonoff SC JSON format (#1939)
Change Polish language to using Diacritics (#2005)
Change user_config_override usage by providing user_config_override_sample.h (#2228)
Change MQTT response topic for Energy changes from ENERGY to SENSOR (#2229, #2251)
Change default Reset configuration time from 4 seconds to 40 seconds on Button hold (#2268)
Change ESP8266 Analog JSON message from {"Analog0:123"} to {"ANALOG":{"A0:123"}} to accomodate rules (#2560)
Change Counter JSON message from {"Counter1":0,"Counter3":0} to {"COUNTER":{"C1":0,"C3":0}} to accomodate rules
Change ADS1115 JSON message from {"ADS1115":{"Analog0":123,"Analog1":123}} to {"ADS1115":{"A0":123,"A1":123}}
Fix intermittent exception when dns lookup is used while sleep is enabled
Fix 5.4.0 regression turning off single press after button hold during 4x hold time
Fix possible wifi connection problem by erasing sdk configuration parameters
Fix NTP sync to Thu Jan 01 08:00:10 1970 results in uptime 17651+ days (core2.4.1/sdk2.2.1)
Fix MAX31850 higher temperatures (#1269)
Fix freeing more code space when emulation is disabled (#1592)
Fix providing web page configuratin option for Friendly Name when no device (relay or light) is configured (#1850)
Fix compile error when define HOME_ASSISTANT_DISCOVERY_ENABLE is not set (#1937)
Fix MQTT TLS fingerprint validation (#2033)
Fix update temperature on DS18x20 drivers (#2328)
Fix compile error when not defined USE_TIMERS (#2400)
Fix configuration filename truncation when it contains spaces (#2484, #2490)
Fix Energy Today and Yesterday overflow (#2543)
Add serial debug info
Add Portuguese language file
Add Czech language file
Add Bulgarian language file
Add Domoticz dust (custom) sensors to PMS5003 and NovaFitness SDS drivers as PM1, PM2.5 and PM10
Add commands Publish, Rule, RuleTimer and Event. See Wiki about Rule restriction, usage and examples
Add sonoff-classic, sonoff-allsensors and sonoff-knx
Add some coloring to important web buttons
Add support for sensor HC-SR04 ultrasonic (#113, #1964, #2444)
Add define MQTT_TELE_RETAIN compile option default set to 0 (#1071)
Add 16 timers using commands Timer and Timers (#1091)
Add optional Timer configuration webpage to be enabled in user_config.h with define USE_TIMERS_WEB
Add Multichannel Gas sensor using MultiChannel_Gas_Sensor library (#1245)
Add Domoticz Battery and RSSI Quality (#1604)
Add command HSBColor Hue,Sat,Bri (#1642, #2203)
Add compile time support for WS2812 BRG and RBG led configurations to be defined in user_config.h (#1690)
Add optional usage of %d or %X suffices in MQTT client to append chipid (#1871)
Add optional usage of %d or %X suffices in MQTT topic to append chipid (#1871)
Add optional usage of %d or %04d in ota url to be replaced with chipid (#1871)
Add Sonoff Bridge command RfKey 5 to show current RF key values either default or learned (#1884)
Add user configurable serial GPIOs to MagicHome and Arilux modules (#1887)
Add Russian language file (#1909)
Add Webserver upload preflight request support (#1927)
Add Home Assistant clear other device (#1931)
Add Restart time to Status 1 (#1938)
Add optional TSL2561 driver using library Joba_Tsl2561 to be enabled in user_config.h with define USE_TSL2561_JOBA (#1951)
Add support for sensor SHTC3 (#1967)
Add compiler check for stable lwIP version v1.4 (#1940)
Add support for multiple SHT3X sensors (#1949, #2110)
Add always suffix with device number in Mqtt discovery topic (#1962)
Add support for optional MQTT drivers to be selected in user_config.h (#1992)
Add optional Arduino OTA support to be enabled in user_config.h (#1998)
Add diacritics to Polish language file (#2005)
Add Hungarian language file (#2024)
Add support for Nova Fitness SDS011 and possibly SDS021 particle concentration sensor (#2070)
Add single decimal precision to Nova Fitness SDS0x1 sensor values (#2093)
Add Chinese (Traditional) in Taiwan language file (#2108)
Add Sonoff SC domoticz support for Sound level as Counter and Air quality (#2118)
Add a second TLS fingerprint to allow switching keys in TLS mode (#2033, #2102)
Add display of remaining pulse time to command PulseTime (#2085)
Add additional time offset to Wifi Retry based on device mac address (#2089)
Add command Color6 RRGGBB for Clock hour marker color and command Rotation pixels for Clock rotation (#2092)
Add HTML language header in local language (#2123)
Add command PowerDelta 0..100 (percentage) to Energy monitoring devices to report on active power load change (#2157)
Add Restart Reason to Status 1 report (#2161)
Add command Channel 0..100 to control dimmer value for individual color channels (#2111, #2203)
Add support for Hardware Serial bridge using commands SerialDelimiter, Baudrate and SerialSend. Supports 8N1 and text only (#2182)
Add support for Software Serial bridge using commands SerialDelimiter, SBaudrate and SSerialSend. Supports 8N1 and text only (#2190)
Add support for Zengge WF017 PWM Led strip controller (#2202)
Add PWM status to command State if PWM enabled (#2203)
Add all FriendlyNames to Status information (#2208)
Add Channel status information (#2211)
Add hexadecimal Data entry to command IrSend using 0x notation (#1290, #2314)
Add Home Assistant MQTT Discovery for Buttons and change SetOption19 response (#2277)
Add multiple color entry support for command Led like Led2 120000 001200 000012 setting led2 as Red, Led3 as Green and Led4 as Blue (#2303)
Add hexadecimal RGB color entry on RGBCW leds (#2304)
Add support for SGP30 gas and air quality sensor (#2307)
Add optional Sunrise and Sunset timers with commands Latitide and Longitude to be enabled with define USE_SUNRISE in user_config.h (#2317)
Add timer sunrise and sunset offset (#2378)
Add user selectable defines for Sunrise/set Dawn option (#2378)
Add optional KNX IP Protocol Support (#2402)
Add random window to timers (#2447)
Add Greek language file (#2491)
Add support for Sonoff Pow R2 (#2340)
Add GPIO_User to GPIO02 for all Sonoff T1 (#2524)

5.12.0 20180209

Change library PubSubClient.h define MQTT_MAX_PACKET_SIZE from 512 to 1000 for Home Assistant support
Change relation of define MESSZ being dependent on PubSubClient.h define MQTT_MAX_PACKET_SIZE
Change command color parameter input checks to less strict for Home Assistant support
Change command Ina219Mode into command Sensor13
Change commands HlwPCal, HlwUCal and HlwICal to PowerCal, VoltageCal and CurrentCal to be used for both Pow and S31 calibration
Change commands HlwPSet, HlwUSet and HlwISet to PowerSet, VoltageSet and CurrentSet to be used for both Pow and S31 calibration
Change uptime from hour to second resulting in a display of 123T13:45:21 where 123 is days
Change module name Wemos D1 mini into Generic (#1220)
Change HTML from width=100% to style=width:100% supporting HTML5 (#1358)
Change OSWATCH_RESET_TIME (Blocked loop) from 30 to 120 seconds to allow slow networks (#1556)
Change WIFI_MANAGER_SEC into WIFI_CONFIG_SEC (#1616)
Change function pointers code to save code space and memory (#1683)
Change webserver argument processing gaining 5k code space (#1705)
Change weblog memory usage (#1730, #1793, #1819)
Update TasmotaSerial library to 1.1.0
Update language files Italian (#1594), Dutch (#1723) and Spanish (#1722)
Fix Non-English JSON temperature unit attachement
Fix Arilux RF induced exception by moving interrupt handler to iram on non ESP8266/Arduino lib v2.3.0
Fix truncated command names and wrong response for DomoticzSwitchIdx (#1571)
Fix %-sign issue as printf escape character in Humidity and Sonoff SC (#1579)
Fix DS18B20 temperature JSON decimal dot (#1561)
Fix Energy JSON message (#1621)
Fix IRSend parameter translation (#1636)
Fix TSL2561 device detection (#1644, #1825)
Fix BME680 teleperiod resistance measuring (#1647)
Fix Energy Monitoring Energy Today and Energy Total reading after restart (#1648)
Fix IRReceive Data value (#1663)
Fix Energy Monitoring Energy Period roll-over (#1688)
Fix compiler warnings (#1774)
Fix command PWM response if no PWM channel is configured (#1783)
Add locale Decimal Separator to Web sensor page
Add ColorTemperature to light status message
Add command PowerOnState option 5 which inverts PulseTime and allows for delayed always on after power on
Add OtaMagic two step Web server OTA upgrade using filename-minimal image if OTA free space is too small
Add support for PMS5003 and PMS7003 particle concentration sensor
Add command SetOption21 1 to allow Energy Monitoring when power is off on Sonoff Pow and Sonoff S31 (#1420)
Add Chinese language file (#1551)
Add French language file (#1561)
Add Spanish language file (#1589)
Add HTTP Allow Cross Origin removed from ESP8266/Arduino lib v2.4.0 (#1572)
Add Home Assistant MQTT Discovery for switch and light to be enabled by command SetOption19 1 (#1534) or define HOME_ASSISTANT_DISCOVERY_ENABLE in user_config.h (#1685)
Add command State to retrieve device state information (same data as teleperiod state and status 11 in slightly different JSON format)
Add optional login to Webserver AP mode (#1587, #1635)
Add command Sensor15 2 to start MHZ19(B) Zero Point Calibration (#1643)
Add support for Sonoff S31 Smart Socket with Power Consumption Detection (#1626)
Add command SetOption20 to allow update of Dimmer/Color/Ct without turning power on (#1719, #1741)
Add NTP sync time slot based on chip id (#1773)
Add cursor pointer to web button (#1836)

5.11.1 20180107

Fix Sonoff Pow command handling (#1542)

5.11.0 20180107

Minor webpage HTML optimizations (#1358)
Updated German translation (#1438)
Change Sonoff Pow Energy MQTT data message and consolidate Status 8 into Status 10
Change ADS1115 default voltage range from +/-2V to +/-6V (#1289)
Change text to Active for 3 minutes (#1364)
Change Wemo SetBinaryState to distinguish from GetBinaryState (#1357)
Change output of HTTP command to valid JSON and Array only (#1363)
Removed all MQTT, JSON and Command language defines from locale files and set fixed to English (#1473)
Renamed commands Color2,3,4 to Color3,4,5
Fix BME280 calculation (#1051)
Fix Sonoff Bridge missed learned key if learned data contains 0x55 (End of Transmission) flag (#1095, #1294)
Fix PWM initialization in Dimmer/Color mode (#1321)
Fix Wemo Emulation (#1357)
Fix display of build date and time in non-english locale (#1465)
Fix Wemo and Hue emulation by adding M-Search response delay (#1486)
Add libraries Adafruit_BME680-1.0.5, Adafruit_Sensor-1.0.2.02, TasmotaSerial-1.0.0 and TSL2561-Arduino-Library
Add command Color2 to set color while keeping same dimmer value
Add device function pointers
Add support for SenseAir S8 CO2 sensor
Add color led signal to Carbon Dioxide (CO2) sensors using defines CO2_LOW and CO2_HIGH in user_config.h
Add support for Domoticz Air Quality sensor to be used by MH-Z19(B) and SenseAir sensors
Add support for PZEM004T energy sensor
Add support for iTead SI7021 temperature and humidity sensor by consolidating DHT22 into AM2301 and using former DHT22 as SI7021 (#735)
Add support for BME680 using adafruit libraries (#1212)
Add support for MH-Z19(B) CO2 sensor (#561, #1248)
Add multipress support and more user configurable GPIO to Sonoff Dual R2 (#1291)
Add support for TSL2561 using adafruit library (#661, #1311)
Add support for SHT3x (#1314)
Add support for Arilux LC06 (#1414)
Add Italian language file (#1449)
Add 2nd Gen Alexa support to Wemo emulation discovery (#1357, #1450)
Add define for additional number of WS2812 schemes (#1463)

5.10.0 20171201

Upgrade library ArduinoJson to 5.11.2
Upgrade library IRRemoteEsp8266 to 2.2.1 + 2 commits but disabled some protocols (code size reduction)
Upgrade library NeoPixelBus to 2.2.9
Upgrade library OneWire to 2.3.3 + 6 commits and disabled CRC lookup-table (#define ONEWIRE_CRC8_TABLE 0) (code size reduction)
Update library PubSubClient to 2.6 + 9 commits and additional delay (#790)
Update core_esp8266_wiring_digital.c to latest (staged) level
Patch library I2Cdevlib-Core for esp8266-core 2.4.0-rc2 compatibility
Remove command EnergyReset 1..3 now replaced by EnergyReset1 to EnergyReset3
Remove spaces in JSON messages (code size reduction)
Renamed xsns_05_ds18x20.ino to xsns_05_ds18x20_legacy.ino still using library OneWire and providing dynamic sensor scan
Fix possible iram1_0_seg compile error by shrinking ICACHE_RAM_ATTR code usage
Fix PWM watchdog timeout if Dimmer is set to 100 or Color set to 0xFF (#1146)
Fix Sonoff Bridge Learn Mode hang caused by unrecognised RF code (#1181)
Fix blank console log window by using XML character encoding (#1187)
Fix wrong response name for command HlwISet (#1214)
Fix DHT type sensor timeout recognition by distinguish "signal already there" from "timeout" (#1233)
Add fixed color options 1..12 to command Color
Add + (plus) and - (minus) to commands Dimmer (+10/-10), Speed and Scheme
Add + (plus) and - (minus) to command Color to select 1 out of 12 preset colors
Add + (plus) and - (minus) to command Ct to control ColdWarm led ColorTemperature (+34/-34)
Add commands EnergyReset1 0..42500, EnergyReset2 0..42500 and EnergyReset3 0..42500000
to (Re)set Energy Today, Yesterday or Total respectively in Wh (#406, #685, #1202)
Add optional ADS1115 driver as alternative for unsupported I2Cdevlib in esp8266-core 2.4.0-rc2
Add support for INA219 Voltage and Current sensor to be enabled in user_config.h with define USE_INA219
Add support for Arilux LC11 (Clearing RF home code when selecting no Arilux module)
Add support for WS2812 RGBW ledstrips to be enabled in user_config.h with define USE_WS2812_CTYPE (#1156)
Add SettingsSaveAll routine to command SaveData to be used before controlled power down (#1202)
Add option PUSHBUTTON_TOGGLE (SwitchMode 7) to allow toggling on any switch change (#1221)
Add new xdrv_05_ds18x20.ino free from library OneWire and add the following features:
Add support for DS1822
Add forced setting of 12-bit resolution for selected device types (#1222)
Add read temperature retry counter (#1215)
Fix lost sensors by performing sensor probe at restart only thereby removing dynamic sensor probe (#1215)
Fix sensor address sorting using ascending sort on sensor type followed by sensor address
Rewrite JSON resulting in shorter message allowing more sensors in default firmware image:
"DS18B20-1":{"Id":"00000483C23A","Temperature":19.5},"DS18B20-2":{"Id":"0000048EC44C","Temperature":19.6}
Add additional define in user_config.h to select either single sensor (defines disabled), new multi sensor (USE_DS18X20) or legacy multi sensor (USE_DS18X20_LEGACY)
Add clock support for more different pixel counts (#1226)
Add support for Sonoff Dual R2 (#1249)
Add FriendlyName to web page tab and add program information to web page footer (#1275)

5.9.1 20171107

Add external sensor function pointer interface to enable easy sensor addition
Add support for ADS1115 to be enabled in user_config.h and needs libraries i2cdevlib-Core and i2cdevlib-ADS1115 (#338, #660)
Fix Backup Configuration file download failure by defining proper file size (#1115)
Fix Exception 26 and empty console screen after usage of command WakeupDuration (#1133)
Fix some changed iTead web links in README.md (#1137)

5.9.0 20171030

Rewrite code (partly) using Google C++ Style Guide (https://google.github.io/styleguide/cppguide.html)
Rewrite code by using command lookup tables and javascript (client side) web page expansions
Change HTML/CSS to enable nicer form field entry
Change default PWM assignments for H801 RGB(CW) led controller to support optional Color/Dimmer control
GPIO04 (W2) from GPIO_PWM2 to GPIO_USER to be user configurable for GPIO_PWM5 (second White - Warm if W1 is Cold)
GPIO12 (Blue) GPIO_PWM3 no change
GPIO13 (Green) from GPIO_PWM4 to GPIO_PWM2
GPIO14 (W1) from GPIO_PWM1 to GPIO_USER to be user configurable for GPIO_PWM4 (first White - Cold or Warm)
GPIO15 (Red) from GPIO_PWM5 to GPIO_PWM1
Change default PWM assignments for MagicHome RGB(W) led controller to support optional Color/Dimmer control
GPIO05 (Green) from GPIO_PWM4 to GPIO_PWM2
GPIO12 (Blue) from GPIO_PWM5 to GPIO_PWM3
GPIO13 (White) GPIO_USER to be user configurable for GPIO_PWM4 (White - Cold or Warm)
GPIO14 (Red) from GPIO_PWM3 to GPIO_PWM1
Change default PWM assignment for Witty Cloud to support optional Color/Dimmer control (#976)
GPIO12 (Green) from GPIO_PWM4 to GPIO_PWM2
GPIO13 (Blue) from GPIO_PWM5 to GPIO_PWM3
GPIO15 (Red) from GPIO_PWM3 to GPIO_PWM1
Change when another module is selected now all GPIO user configuration is removed
Change command name IRRemote to IRSend (#956)
Remove Arduino IDE version too low warning as it interferes with platformio.ini platform = espressif8266_stage
Fix command FullTopic entry when using serial or console interface
Fix possible UDP syslog blocking
Fix minimum TelePeriod of 10 seconds set by web page
Fix command GPIOx JSON response (#897)
Fix inverted relay power on state (#909)
Fix compile error when DOMOTICZ_UPDATE_TIMER is not defined (#930)
Fix alignment of web page items in some browsers (#935)
Fix setting all saved power settings to Off when SetOption0 (SaveState) = 0 (#955)
Fix timezone range from -12/12 to -13/13 (#968)
Fix Southern Hemisphere TIME_STD/TIME_DST (#968)
Fix TLS MQTT SSL fingerprint test (#970, #808)
Fix virtual relay status message used with Color/Dimmer control (#989)
Fix command IRSend and IRHvac case sensitive parameter regression introduced with version 5.8.0 (#993)
Fix pressure calculation for some BMP versions regression introduced with version 5.8.0i (#974)
Fix Domoticz Dimmer set to same level not powering on (#945)
Fix Blocked Loop when erasing large flash using command reset 2 (#1002)
Fix relay power control when light power control is also configured as regression from 5.8.0 (#1016)
Fix Mqtt server mDNS lookup only when MqttHost name is empty (#1026)
Add debug information to MQTT subscribe
Add translations to I2Cscan
Add translation to BH1750 unit lx
Add light scheme options (Color cycle Up, Down, Random) and moving WS2812 schemes up by 3
Add Domoticz counter sensor to IrReceive representing Received IR Protocol and Data
Add option 0 to MqttHost to allow empty Mqtt host name
Add support for Arilux AL-LC01 RGB Led controller (#370)
Add esp8266 de-blocking to PubSubClient library (#790)
Add Domoticz sensors for Voltage and Current (#903)
Add platformio OTA upload support (#928, #934)
Add warning to webpage when USE_MINIMAL is selected (#929)
Add smoother movement of hour hand in WS2812 led clock (#936)
Add support for Magic Home RGBW and some Arilux Led controllers (#940)
Add command SetOption15 0 (default) for command PWM control or SetOption15 1 for commands Color/Dimmer control to PWM RGB(CW) leds (#941)
Add Domoticz counter sensor to Sonoff Bridge representing Received RF code (#943)
Add support for Luani HVIO board (https://luani.de/projekte/esp8266-hvio/) (#953)
Add PWM initialization after restart (#955)
Add IR Receiver support. Disable in user_config.h (#956)
Add support for inverted PWM (#960)
Add Sea level pressure calculation and Provide command Altitude (#974)
Add support for up to 8 relays (#995)
Add commands RfSync, RfLow, RfHigh, RfHost and RfCode to allow sending custom RF codes (#1001)
Add retain to ENERGY messages controlled by command SensorRetain (#1013)
Add commands Color2, Color3, Color4, Width2, Width3, Width4 and SetOption16 to set Ws2812 Clock parameters (#1019)
Add German language file (#1022)
Add support for connecting to MQTT brokers without userid and/or password (#1023)
Add support for esp8266 core v2.4.0-rc2 (#1024)
Add commands PwmRange 1,255..1023 and PwmFrequency 1,100..4000 (#1025)
Add Polish language file (#1044, #1047)
Add support for KMC 70011 Power Monitoring Smart Plug (#1045)
Add support for VEML6070 I2C Ultra Violet level sensor (#1053)
Add light turn Off Fade (#925)
Add IrSend command option Panasonic as IrSend {"Protocol":"Panasonic", "Bits":16388, "Data":<Panasonic data>}
where 16388 is 0x4004 hexadecimal (#1014)
Add retry counter to DHT11/21/22 sensors (#1082)

5.8.0 20170918

Remove the need for NeoPixelBus library for Hue support
Consolidate WS2812 into Sonoff Led for flexible future led strip library changes
Invert WS2812 fade speed to align with Sonoff led (Speed 1 = fast, Speed 8 = slow)
Remove upper case MQTT receive buffer
Reduce code and string length for output of commands Modules and GPIOs
Add Sonoff SC debug information
Change syslog service
Removed webserver syslog disable as now no longer needed
Increased default MQTT message size from 368 to 405 bytes while keeping MQTT_MAX_PACKET_SIZE = 512 (because we can)
Fix MQTT Offline or Remove MQTT retained topic code
Fix Domoticz loop when Emulation is selected
Add blink to WS2812 and Sonoff Led (#643)
Add option WIFI_WAIT (5) to command WifiConfig to allow connection retry to same AP without restart or update flash (#772, #869)
Add support for Witty Cloud (#794)
Add GPIO14 to Sonoff Dual (#797, #839)
Add support for Yunshan Wifi Relay (#802)
Add GPIO16 input pulldown (#827)
Add timeout to DHT and DS18B20 sensors (#852)
Fix watchdog timeout caused by lack of stack space by moving to heap (#853)
Allow LogPort and MqttPort up to 65535 and add LogPort tot Status 3 (#859)
Allow command SwitchTopic in group mode (#861)
Allow command SwitchMode if no switches are defined (#861)
Add optional dimmer parameter to command Wakeup for WS2812, AiLight, Sonoff B1, Led and BN-SZ01 (#867)
Fix basic On, Off, Toggle, Blink and BlinkOff commands when other language is selected (#874)

5.7.1 20170909

Remove leading spaces from MQTT data
Fix webconsole special character entry
Allow # as prefix for color value
Fix Alexa detection and Hue App Update Request (#698, #854)

5.7.0 20170907

Shrink module configuration webpage
Fix settings order during startup to allow for displaying debug messages
Fix some string length issues
Add more string length tests by using strncpy
Add Ai-Thinker RGBW led (AiLight)
Add Power check and add PulseTime to power check at startup (#526)
Add Supla Espablo support (#755)
Add more precision to Sonoff Pow period and power results using command WattRes 0|1 (#759)
Add basic internationalization and localization (#763)
Add more Sonoff Pow range checking (#772)
Fix invalid JSON (#786, #822)
Add duplicate check to received RF signal within 2 seconds for Sonoff Bridge (#810)

5.6.1 20170818

Change module list order in webpage
Fix Sonoff T1 1CH and 2CH configuration (#751)

5.6.0 20170818

Fix Sonoff Pow intermittent exception 0
Change Sonoff Pow sending Domoticz telemetry data only
Add Ai-Thinker RGBW led (AiLight) (experimental)
Add NeoPixelBus library to Sonoff Led for Hue support
Add user configurable GPIO4 and GPIO5 to module Sonoff Bridge
Add Sonoff B1 RGBCW led support with command Color RRGGBBCCWW (#676)
Add command CT 152..500 to Sonoff Led and Sonoff B1 to control Color Temperature
Add Cold-Warm slider to web page for Sonoff Led and Sonoff B1
Add CT parameter to Hue
Add Sonoff T1 support (#582)
Add AnalogInput0 if configured as Analog Input to webpage (#697, #746)
Add command SetOption14 0|1 to enable interlock mode (#719, #721)
Fix Mitsubishi HVAC IR power controll (#740)

5.5.2 20170808

Extent max number of WS2812 pixels from 256 to 512 (#667)
Add OTA handling if server responds with no update available (#695)
Removed undocumented command FlashMode (#696)
Fix compile time error message due to increased message buffer size (#703)

5.5.1 20170805

Fix Sonoff Rf Bridge issues
Add Sonoff RF Bridge MQTT messages on received and learned RF signal
Add command VoltRes 0|1 to select voltage resolution to 0.1 V (#654)
Add averaging to Analog input (#686)
Add Energy tele data on Sonoff Pow Threshold change (#688)
Fix inconsistent property names in Messages (#690)

5.5.0 20170730

Reduce code space by removing the following commands as they are replaced by SetOption alternatives:
SaveState = SetOption0
ButtonRestrict = SetOption1
Units = SetOption2
MQTT = SetOption3
MQTTResponse = SetOption4
TempUnit = SetOption8
Smoothing WS2812 animation poll, invert fade speed and max allowed wakeup time down to 3000 seconds
Fix initial button press detection
Add support for Sonoff RF Bridge 433 using command RfKey
Fix regression from 5.0.7 by increasing message buffer size from 360 to 368 to accomodate 4 x DS18x20 sensors (#637)
Add GroupTopic to Topic test when using ButtonTopic/SwitchTopic to send either ON/OFF or TOGGLE (#642)
Adjust HLW calibration limits to accomodate HuaFan device and add commands HlwPSet, HlwUSet and HlwISet (#654)

5.4.0 20170725

Fix command reset regression introduced in 5.2.0
Increase polling from 0.1 second to 0.05 second
Add multipress to all buttons
Fix button 1 double press behaviour on multi relay devices
Add support for Hua Fan Smart Socket (#479)
Add support for Sonoff 4ch Pro (#565)
Add command SetOption13 1 to allow immediate action on single button press
(disables multipress, hold and unrestricted commands) (#587)

5.3.0 20170715

Major Hue rewrite which might introduce Alexa problems. If so, initiate an issue
Add support for Sonoff Led and BN-SZ01 Ceiling Led brightness control to Hue
Fix Sonoff Led Power, Dimmer and Color MQTT response (#176)
Add commands Delay and Backlog to allow multiple commands at once separated by ";" (#593)
Use default flashmode DOUT to solve restart hangs on esp8285 chips (#453, #598)
Change Web console column width from 99 to 300 (#599)

5.2.4 20170703

Removed flash mode update after selecting different module solving esp8285 related problems
Add device type flag to sonoff_template.ino
Change Sonoff Led Wakeup and add support for Sonoff BN-SZ01 Led (#567)

5.2.3 20170630

Change Sonoff Led color conversion code
Fix SetOption12 handling
Simplify auto configuration upgrade
Add option Upgrade <version_number> to only upgrade to any higher version (Old PR #213)
Change FallbackTopic to cmnd/<MQTTClient>/<command> <parameter> bypassing FullTopic and Prefix (#538)

5.2.2 20170625

Add configuration SaveAddress to Status 1 and Information Page
Change Sonoff Led Color conversion from AtoH to strtol
Fix possible wrong uploads due to configuration overwrites (#542)
Fix payload negative numbers (#547)

5.2.1 20170622

Fix Restore Configuration in case of lower version
Revert auto configuration upgrade allowing easy upgrade which was removed in version 5.2.0
Fix config auto upgrade from versions below version 4.1.1 (#530)

5.2.0 20170619

Add command SetOption12 1 to disable newly released configuration flash rotate to reduce flash wear
Fix command CounterDebounce by removing test for active GPIO (#524)
Add command SetOption33 1..250 to allow user configure POW Max_Power_Retry count (#525)

5.1.7 20170616

Prep removal of SetOptions alternatives
Restore webpage upgrade error messages removed in 5.1.5
Add hold button functionality to buttons 2 to 4
Add command SetOption32 1..100 to set Key Hold Time from 0.1 seconds to 10 seconds (#200)
Allow slashes in Topic, GroupTopic, ButtonTopic and SwitchTopic (#507)
Changed webpage form actions from post to get and use relative path url (#434, #522)

5.1.6 20170606

Shrink code
Removed online configuration of Domoticz In and Domoticz Out MQTT strings
Removed commands DomoticzInTopic and DomoticzOutTopic
Add define KEY_HOLD_TIME to configure button hold threshold before sending MQTT Hold message
Add command StateText4 to configure button MQTT Hold text (= MQTT_CMND_HOLD)
Add command SetOption11 0|1 to swap pushbutton single and double press functionality (#200)
Add command SwitchMode 5 (PUSHBUTTONHOLD) and 6 (PUSHBUTTONHOLD_INV) (#489)

5.1.5 20170604

Shrink code in preparation to ESP8266-Arduino 2.4.0-rc1
Add effect parameter to HUE Device (#464)

5.1.4 20170601

Removed pre-compiled versions from repository as they are available within the release
Changed HUE Device type to color supporting version (#464)
Fix compile error when BE_MINIMAL is selected (#467, #476)
Add multiple compiled versions to release using updated Travis script and platformio.ini (#467)

5.1.3 20170520

Add Domoticz Counter

5.1.2 20170519

Fix Counter/Timer JSON message and update Counter/Timer on webpage
Fix WS2812 Domoticz related regression issues

5.1.1 20170517

Allow command FullTopic in group mode
Prepare for more use of RTC memory
Add independant WS2812 led string power control (#386, #390)
Add command Counter to control up to four GPIO falling edge interrupt counters or timers (#459)
Add command CounterType to select between pulse counting or pulse timing
Add command CounterDebounce to select global counter debounce time in mSec

5.1.0 20170513

Fix Offline/Removal of retained topic when FullTopic is changed
Add FullTopic to MQTT Configuration and Information web pages
Add license model GPLv3 (#188)

5.0.7 20170511

Fix possible exception 28 on empty command
Add command SetOption0 as replacement for SaveState
Add command SetOption1 as replacement for ButtonRestrict
Add command SetOption2 as replacement for Units
Add command SetOption4 as replacement for MqttResponse
Add command SetOption8 as replacement for TempUnit
Add command SetOption10 On|Off to select between Offline or Removing previous retained topic (#417, #436)

5.0.6 20170510

Remove hyphen in case of a single DHT sensor connected (#427)
Add command MqttRetry to change default MQTT reconnect retry timer from minimal 10 seconds (#429)

5.0.5 20170508

Add command FullTopic with tokens %topic% (replaced by command Topic value) and
%prefix% (replaced by command Prefix values) for more flexible topic definitions (#244)
See wiki > MQTT Features https://github.com/arendst/Tasmota/wiki/MQTT-Features for more information

5.0.4 20170505

Add Sonoff Pow Energy Total up to 40 MWh
Add command EnergyReset 1|2|3 to reset Energy counters (#406)
Fix Domoticz Energy logging (#411)
Add command PowerOnState 4 to keep relay always on and disabling all power control (#418)

5.0.3 20170504

Add command SensorRetain on|off to enable retaining of mqtt message tele/sonoff/SENSOR (#74)
Change WifiConfig timeout from 60 seconds to 180 seconds (#212)
Change Sonoff Touch command Ledstate functionality by turning led on if power is off (#214)
Add 4 seconds delay after power on before enabling button to workaround Wemos D1 mini RTS circuit (#380)

5.0.2 20170503

Reset SaveData, SaveState and MqttResponse to default values due to rearranging settings
Moved some settings to flag area
Add command TempUnit Celsius|Fahrenheit for selecting Celsius or Fahrenheit (#347)
Add command TempRes 0..3 for selecting Temperature Resolution (#347)
Add command HumRes 0..3 for selecting Humidity Resolution (#347)
Add command PressRes 0..3 for selecting Pressure Resolution (#347)
Add command EnergyRes 0..5 for selecting Energy Resolution (#347)
Add "TempUnit":"C|F" to sensor JSON output (#347)
Add support for up to three DHT type sensors each using a different GPIO (#339, #404)

5.0.1 20170429

Adjust Sonoff SC messages to prepare for display feature
Move static data from RAM to Flash
Fix PowerOnState for some devices not reporting "Power on" state (#284, #380, #383)

5.0.0 20170425

Memory status message update
Fix setting migration to better preserve settings during move (#382)
Best practice is first doing a Backup Configuration before installing version 5.0.0
Reset save count after setting move
Start using new linker script without SPIFFS

4.2.0 20170424

Prepare for SPIFFS removal by moving settings to EEPROM area
Fix compilation error when webserver is disabled (#378)

4.1.3 20170410

Add user configuarble GPIO to module S20 Socket and Slampher
Add support for Sonoff SC (#112)
Set PWM frequency from 1000Hz to 910Hz as used on iTead Sonoff Led firmware (#122)
Set Sonoff Led unconfigured floating outputs to 0 to reduce exceptions due to power supply instabilities (#122)
Add Access Point Mac Address to Status 11 and Telemetry (#329)
Fix DS18B20 negative temperature readings (#334)

4.1.2 20170403

Rename Unrecognised command to Unknown command
Remove all command lists
Remove command SmartConfig (superseded by WifiConfig)
Fix boot loop when selecting module Sonoff 4CH or Sonoff Touch on non ESP8285 hardware
Add optional support for Toshiba and Mitsubishi HVAC IR control (needs updated IRremote8266 library) (#83, #257)
Add all configured switches to Domoticz Configuration web page (#305)
Fix compile error when selecting WS2812 DMA (#313)

4.1.1 20170329

Fix default Telemetry for command Prefix3
Fix webserver Module parameters for disabled select
Fix sensor status for enabled switches
Remove Light as alternative for Power (save code space)
Remove migration option from pre V3 (code cleanup)
Remove unofficial SPIFFS support (code cleanup)
Remove command list when unknown command is entered (save code space)
Rename Status11 json from StatusPWR to unique StatusSTS
Rename command Gateway to IPAddres2, Subnetmask to IPAddress3 and DnsServer to IPAddress4 (save code space)
Add Command MqttResponse to select either command or RESULT topic as response (#258)
Add command StateText1 to StateText3 to assign MQTT_STATUS_OFF, MQTT_STATUS_ON and MQTT_CMND_TOGGLE respectively (#286)
Remove restart after IPAddress changes (#292)
Add support for MAX31850 in xsns_ds18x20.ino (#295)
Fix possible uptime update misses (#302)

4.1.0 20170325

Change static IP addresses in user_config.h from list (using commas) to string (using dots)
Unify display result of commands Modules, Module and Gpios
Rewrite Module selection web page to bring size down from 18651 to 4319 bytes (!) (#234, #240)
Add basic support for (Lixada) H801 RGBWW controller (#252)
Add command Prefix1 to Prefix3 to assign SUB_PREFIX, PUB_PREFIX and PUB_PREFIX2 respectively (#255)
Add static ip addresses to flash (#262)
Add commands IpAddress, Gateway, Subnetmask and DnsServer to select static ip addresses (#273)

4.0.8 20170321

Fix entering non-numeric webpassword
Force selection between TLS or Webserver due to memory restraint (#240)
Allow entering empty string using "0" for selected commands (#242)
Fix exception when posting commands to web console containing % (#250)

4.0.7 20170319

Increased Sonoff Led PWM frequency from 432 to 1000
Fix possible watch dog reboot after changing module type on web page
Fix reporting of GPIO usage from web page
Fix Sonoff Led blank during firmware upgrade
Fix Sonoff Led flicker and possible flash corruption by using latest Arduino-esp8266 versions of pwm core files included in sonoff library (#211)
Add PWM output control with commands PWM1 to PWM5 using user selectable GPIOs (#211)
Fix exceptions due to low values of commands HlwPCal (10000), HlwUCal (1000) and HlwICal (2500) (#223)
Add Switch state to sensor status (#227, #233)
Add user configuarble GPIO to module Sonoff Touch (#228)
Add define WEB_PORT to user_config.h to change default web server port from 80 (#232)
Fix failed Ota Firmware upgrade started from Web page (#235)

4.0.6 20170316

Fix to better find device by Wifi hostname
Fix compile error when some I2C devices are disabled
Add (experimental) support for SHT1X emulating I2C (#97)
Add ADC to ElectroDragon (#203)
Add support for Sonoff Dev (#206)

4.0.5 20170314

Add command Status 11 to show power status with Vcc if define USE_ADC_VCC is enabled (default)
Add ADC input to Sonoff SV and Wemos D1 mini - Needs recompile with define USE_ADC_VCC disabled (#137)
Add MQTT host:port to timeout message (#199)

4.0.4 20170312

Add pulse timers for up to 4 relays (#106)
Fix Sonoff Led power state when dimmer or color is 0 (#176)
Add command NtpServer to configure up to three NTP servers (#177)
Delete module User Test as module Wemos D1 mini has same/more user configurable GPIO (#178)
Add more user configurable GPIO to module ElectroDragon (#183)

4.0.3 20170309

Renamed Module NodeMCU to WeMos D1 mini
Add GPIO1 as user option to some modules
Add Buttons, Relays and Leds to user configurable options (#159)
Add description on Module parameters web page to some well known GPIOs (#107, #171)

4.0.2 20170308

Restore correct seriallog level after Serial logging was disabled
Add simple dimmer slider to Sonoff Led web page
Reduced root webpage size by 31%
Expand Status 2 with Build date/time and core version
Fix webserver redirection when not in WifiManager mode (#156)
Add command ButtonRestrict On/Off to restrict access to button hold and button multi press options above 2 (#161)
Fix DS18S20 negative temperature readings (#165)
Fix crlf compilation error due to bad syntax (#144, #167)

4.0.1 20170305

Fix char default sizes and set MESSZ to 360 (#143)
Fix SerialLog setting status
Disable syslog when emulation is active
Add DS18B20 web page display refresh

4.0.0 20170303

Add define to remove config migration code for versions below 3.0 (See Wiki-Upgrade-Migration path)
Free memory by switching from String to char[]
Raised Sonoff Led PWM frequency from 200Hz to 432Hz in search of stability (hardware watchdog timeouts) (#122)
Increase message size and suggested minimum MQTT_MAX_PACKET_SIZE to 512 (#114, #124)
Remove runtime warning message regarding MQTT_MAX_PACKET_SIZE too small as it is now moved to compile time (#124)
Fix possible panics with web console and http commands while UDP syslog is active (#127)
Add optional static IP address (#129)
Add define ENERGY_RESOLUTION in user_config.h to allow user control over precision (#136)

3.9.22 20170228

Update web console
Fix Status 4 JSON message
Add Exception info during restart if available
Add osWatch service to detect loop hangs that might happen during (OTA) upgrades
Add WiOn support for relay and switch only (#82, #102)
Allow for user specified relay count up to four in sonoff_template.h (#109)
Add support for HTU21 compatible I2C sensors SI7013, SI7020 and SI7021 (#118)
Add NodeMCU or Wemos configuration option (#119)

3.9.21 20170224

Add ajax to web root page and web console (#79)
Add commands SwitchMode1..4 and enable user switches 2, 3 and 4 (#84, #88)
Fix MQTT upgrade when webserver is active

3.9.20 20170221

Add minimal basic authentication to Web Admin mode (#87)
Fix Hue and add HSB support (#89)

3.9.19 20170219

Sonoff Led: Made GPIO04, 05 and 15 available for user
Sonoff Led: Add commands Fade, Speed, WakupDuration, Wakeup and LedTable

3.9.18 20170218

Fix ledstate 0 to turn off led
Fix Sonoff Led dimmer range (#16)
Change Sonoff Led command Dimmer to act on both cold and warm color
Add Sonoff Led command Color CCWW where CCWW are hexadecimal values fro 00 - FF
Reduce Sonoff Led flickering by disabling interrupts during flash save and disabling
Led during OTA upgrade and Web upload (#16)

3.9.17 20170217

Fix possible ArduinoJSON related memory fragmentation
Changed console logging using less memory
Add GPIO04 as user selectable for Sonoff Dual (#75)

3.9.16 20170214

Update latching relay handler
Add support for IR led using IRremoteESP8266 library (#59)
Add Hue argument passing using ArduinoJSON library (#59)

3.9.15 20170213

Change JSON float values from string to number according to http://json.org (#56)
Add support for exs latched relay module https://ex-store.de/ESP8266-WiFi-Relay-V31 (#58)
Add support for inverted relays
Changed MAX_LOG_LINES from 70 to 60 to preserve memory

3.9.14 20170211

Add False and True as alternatives for 0/Off and 1/On (#49)
Fix Status10 JSON format (#52)
Fix DS18x20 using OneWire library (#53)

3.9.13 20170210

Add FlashChipMode to Status 4
Removed redundant DHT2 option and code
Add Sonoff SV GPIO pin 05 configuration (#40)
Add configuration file backup and restore via web page
Fix latency due to light_sleep mode even if sleep was set to zero (#50)

3.9.12 20170208

Fix compile error when webserver is disabled (#30)
Fix possible ESP8285 flash problem by updating Flash Chip Mode to DOUT during OTA upload
Fix hostname issues by not allowing user entry of string formatting and removing from user_config.h (#36)

3.9.11 20170204

Fix command I2Cscan
Fix not allowed spaces in Topic, ButtonTopic and SwitchTopic
Make all TELEMETRY, STATUS and COMMAND message topics unique (#4)
Advertise command topic to be used by iobroker (#299)
Fix butten (non)detection if no GPIO_KEY1 is defined (#13)
Change WeMo serialnumber from 7 decimal chars to 8 hexadecimal chars (#18)
Update web page with Build Date/Time, Emulation and mDNS Discovery and Advertise information (#21)

3.9.10 20170130

Add WS2812 Color Type selection (RGB or GRB) to user_config.h (#7)
Hue api changes to support HUE App(s) (#8)

3.9.9 20170130

Add command status 10 showing sensor data
Fix hlw status messages if hlw is disabled

3.9.8 20170130

Remove GPIO07 and GPIO08 from user selectable (#5)

3.9.7 20170129

Fix possible WS2812 exceptions when using emulation
Add command Emulation to dynamic configure Belkin WeMo and Hue Bridge for Alexa

3.9.6 20170129

Add dynamic sleep for WS2812 animation (#1)

3.9.5 20170128

Fix error message in case of wrong Domoticz command

3.9.4 20170127

Fix Sonoff Dual Relay switching (#287)

3.9.3 20170127

Add confirmation before Restart via webpage
Expand Domoticz Configuration webpage with Key, Switch and Sensor Index and
add commands DomoticzSwitchIdx and DomoticzSensorIdx (#86) (#174) (#219)
Fix default DHT11 sensor driver selection
Fix LedPower status after button press (#279)
Add command Sleep 0 - 250 mSec for optional light sleep mode to lower energy consumption (#272)
(Expect overall button/key/switch misses and wrong values on Sonoff Pow)
Add Hue brightness extension (#281)
Fix Hue brightness and change to call by reference (#283)

3.9.2 20170124

Add confirmation before Reset Configuration via webpage (#244)
Add WS2812 features (see Wiki commands)

3.9.1 20170124

Change PowerOnState function to only trigger when Power On (and not just restart) (#238)
Move HLW interrupts back to RAM and make WS2812_DMA optional as it generates Exception on Pow (#264)
Add charset=utf-8 to webpages (#266)
Update Hue emulation (#268)
Fix status module number
Add support for domoticz Dimmer on Sonoff_Led and WS2812
Fix possible ESP8285 flash problem by updating Flash Chip Mode to DOUT during web upload

3.2.6a 20170120

Fix Sonoff Pow compile error (#255)
Move HLW interrupts back to ROM (Needed for WS2812 DMA interrupts)
Removed all IO config from user_config.h as this will be done by commands or webpage
Removed MessageFormat and supports JSON only except POWER/LIGHT status
Add command LedPower to control main led (#247)
Add more FriendlyNames for Hue (#254)
Add DMA support for WS2812 when using pin 3 while other pins work just as well in my case...
Add HUE emulation for Alexa (#229)
Add basic WS2812 support (#229)
Fix Wemo when MQTT is disabled (#245)
Revert ButtonTopic and change SwitchTopic1 - 4 to one SwitchTopic
Rename MqttUnits to Units
Add Mqtt command to enable/disable MQTT

3.2.2a 20170115

Add dynamic (Sonoff) Module, user GPIO and sensor selection (one size fits (almost) all)
Add support for Sonoff LED
Add Seriallog disable after 600 seconds for Sonoff Dual and 4 Channel
Add ButtonTopic2 - 4, SwitchTopic1 - 4 and SwitchRetain

3.2.2 20170113

Fix PowerOnState 2 functionality after re-applying power (#230)

3.2.1 20170113

Fix some failed command decoding (#228)
Removed passwords from status messages (#216)

3.2.0 20170111

Add I2C BH1750 sensor (#222)
Sensor rewrite preparing for online selection

3.1.16 20170109

Fix Domoticz possible error condition
Remove Wifi password from connection message (#216)
Add Configure Other menu item to web page (#209)
Add command FriendlyName, field Friendly Name and define FRIENDLY_NAME to be used by Alexa
eliminating current use of MQTT_CLIENT_ID (#209)
Add friendlyname to webpage replacing former hostname

3.1.15 20170108

Fix Domoticz send key regression with Toggle command

3.1.14 20170107

Add support for command TOGGLE (define MQTT_CMND_TOGGLE) when ButtonTopic is in use and not equal to Topic (#207)

3.1.13 20170107

Fix web console command input when SUB_PREFIX contains '/' (#152)
Add command response to web command (#200)
Add option to disable MQTT as define USE_MQTT in user_config.h (#200)

3.1.12 20170106

Add OTA retry to solve possible HTTP transient errors (#204)
Fix MQTT host discovery

3.1.11 20170105

Add mDNS to advertise webserver as .local/

3.1.10 20170105

Fix ButtonTopic when SUB_PREFIX = PUB_PREFIX
Add workaround for possible MQTT queueing when SUB_PREFIX = PUB_PREFIX
Add optional MQTT host discovery using define USE_DISCOVERY in user_config.h (#115)

3.1.9 20170104

Fix Power Blink start position (toggled)
Change PulseTime increments: 1 .. 111 in 0.1 sec (max 11 seconds) and 112 .. 64900 in seconds (= 12 seconds until 18 hours) (#188)
Add support for SUB_PREFIX = PUB_PREFIX (#190)

3.1.8 20170103

Add retain flag to LWT offline and only send "tele/sonoff/LWT Offline" (#179)
Change retained LWT Online message to only send "tele/sonoff/LWT Online"

3.1.7 20161231

Add retained message LWT Online when sonoff makes MQTT connection (#179)

3.1.6 20161230

Add blinking using commands BlinkTime, BlinkCount and Power Blink|3|BlinkOff|4 (#165)

3.1.5 20161228

Fix serial space command exception (28)

3.1.4 20161227

Fix MQTT subscribe regression exception (3) (#162)
Fix serial empty command exception (28)

3.1.3 20161225

Extent Domoticz configuration webpage with optional indices (#153)
Fix multi relay legacy tele message from tele/sonoff/2/POWER to tele/sonoff/POWER2
Add support for iTead Motor Clockwise/Anticlockwise

3.1.2 20161224

Extent command PowerOnState with toggle at power on (option 2 is now option 3!) (#156)

3.1.1 20161223

Add support for Sonoff Touch and Sonoff 4CH (#40)
Update DomoticzIdx and DomoticzKeyIdx with relay/key index (DomoticzIdx1/DomoticzKeyIdx1)
Add command PowerOnState to control relay(s) at power on (#154)

3.1.0 20161221

Add Sonoff Pow measurement smoothing
Fix serial command topic preamble error (#151)
Fix 2.x to 3.x migration inconsistencies (#146)

3.0.9 20161218

Add Sonoff Pow voltage reading when relay is on but no load present (#123)

3.0.8 20161218

Add temperature conversion to Fahrenheit as option in user_config.h (TEMP_CONVERSION) (#145)

3.0.7 20161217

Add user_config_override.h to be used by user to override some defaults in user_config.h (#58)
Fix Sonoff Pow low power (down to 4W) intermittent measurements (#123)

3.0.6 20161217

Fix MQTT_CLIENT_ID starting with % sign as in "%06X" (#142)
Add auto power off after PulseTime### 0.1 Sec to relay 1 (#134)

3.0.5 20161215

Add more control over LED with command LedState options (#136, #143)
LED_OFF (0), LED_POWER (1), LED_MQTTSUB (2), LED_POWER_MQTTSUB (3), LED_MQTTPUB (4), LED_POWER_MQTTPUB (5), LED_MQTT (6), LED_POWER_MQTT (7)
Add option WIFI_RETRY (4) to command WifiConfig to allow connection retry to other AP without restart (#73)

3.0.4 20161211

Fix intermittent Domoticz update misses (#133)

3.0.3 20161210

Fix compiler warnings (#132)
Remove redundant code
Fix Domoticz pushbutton support

3.0.2 20161209

Add pushbutton to SwitchMode (#130)

3.0.1 20161209

Fix initial config

3.0.0 20161208

Migrate and clean-up flash layout
Settings from version 2.x are saved but settings from version 3.x can not be used with version 2.x
Change SEND_TELEMETRY_RSSI to SEND_TELEMETRY_WIFI and add AP and SSID to telemetry
Split long JSON messages
Fix inconsistent status messages
Fix all status messages to return JSON if enabled
Remove relay index in cmnd/sonoff//POWER now changed
to cmnd/sonoff/POWER for single relay units
and cmnd/sonoff/POWER for multi relay units like Sonoff dual
Add retain option to Power/Light status controlled by command PowerRetain On|Off (#126)

2.1.2 20161204

Add support for second wifi AP (#73)
Update command WifiConfig
Fix possible WifiManager hang

2.1.1a 20161203

Fix scan for wifi networks if WeMo is enabled
Fix syslog setting using web page

2.1.1 20161202

Add support for ElectroDragon second relay and button (only toggle with optional ButtonTopic) (#110)

2.1.0 20161202

Add optional EXPERIMENTAL TLS to MQTT (#49)
Fix MQTT payload handling (#111)
Optimzed WeMo code

2.0.21a 20161201

Fix WeMo PowerPlug emulation

2.0.21 20161130

Add Belkin WeMo PowerPlug emulation enabled with USE_WEMO_EMULATION in user_config.h (Heiko Krupp) (#105, #109)

2.0.20 20161130

Relax MQTTClient naming but only allows hexadecimal uppercase numbers (#107)
Add I2C support with command I2CScan
Add I2C sensor driver for HTU21 as alternate sensor using TH10/16 connectors (Heiko Krupp) (#105)
Add I2C sensor driver for BMP085/BMP180/BMP280/BME280 as alternate sensor using TH10/16 connectors

2.0.19a 20161127

Add support for ButtonTopic and ButtonRetain to wall switch function
Add pullup to SWITCH_PIN and command SwitchMode to syntax

2.0.18 20161126

Add SUB_PREFIX multi level support allowing 'cmnd' or 'cmnd/level2/level3'
Add wall switch function to GPIO14 and command SwitchMode (Alex Scott) (#103)

2.0.17 20161123

Calibrate HLWPCAL from 12345 to 12530
Add alternative sensor driver DHT2 using Adafruit DHT library
Add define MESSAGE_FORMAT to user_config.h
Throttle console messages
Shorten JSON messages
Fix possible Panic
Fix User mode webserver security

2.0.16 20161118

Add alternative sensor driver DS18x20 using OneWire library (#95)
Change sensor MQTT message from tele/sonoff/TEMPERATURE to tele/sonoff/DHT/TEMPERATURE or
tele/sonoff/DS18B20/TEMPERATURE or tele/sonoff/DS18x20/1/TEMPERATURE
Add sensors to root webpage and auto refresh every 4 seconds (#92)
Add optional JSON messageformat to all telemetry data
Enforce minimum TelePeriod to be 10 seconds
Fix Energy Yesterday reset after restart
Add Energy Today restore after controlled restart

2.0.15 20161116

Change TODAY_POWER and PERIOD_POWER to TODAY_ENERGY and PERIOD_ENERGY
Fix serial regression
Fix syslog hangs when loghost is unavailable

2.0.14 20161115

Add HLW threshold delay
Fix HLW intermittent current deviation
Fix button functionality during wificonfig
Add CRC check to DS18B20 sensor (#88)

2.0.13 20161113

Add additional upload error code descriptions
Add PlatformIO support (#80)

2.0.12 20161113

Fix Serial and Web response regression when no MQTT connection available
Fix Sonoff Dual power telemetric data for second relay
Removed MQTT password from Information web page
Hide MQTT password from Configure MQTT web page

2.0.11 20161111

Rewrite button and web toggle code
Fix NTP sync
Add HLW calibration commands HLWPCAL, HLWUCAL and HLWICAL (need define USE_POWERCALIBRATION)
Fix power threshold tests

2.0.10 20161109

Add additional Domoticz define (#63)
Add defines MQTT_STATUS_ON and MQTT_STATUS_OFF in user_config.h to select status On/Off string
Fix status response differences (#65)
Fix divide by zero exception (#70)
Fix syslog loop exception

2.0.9 20161108

clarify MODULE in user_config.h
Fix hlw false values

2.0.8 20161108

Add initial status after power on
Seperate driver files
Fix hlw code and calibrate Pow
Move user config defines to user_config.h (#61)

2.0.7 20161030

Make Ticker mandatory
Add Domoticz support (Increase MQTT_MAX_PACKET_SIZE to 400) (#54)
Add command MessageFormat 0|1 to select either legacy or JSON output

2.0.6 20161024

Add Sonoff Pow power factor
Initial support for up to four relays using iTEAD PSB (4Channel)
- Currently only supports one button (All buttons behave the same)
- Use command MODEL 4 to select four relay option

(After first power on it will support 2 relays like Sonoff Dual)

Fix ledstate
Add command Status 9 to display Sonoff Pow thresholds
Add commands PowerLow, PowerHigh, VoltageLow, VoltageHigh, CurrentLow and CurrentHigh for use
with Sonoff Pow thresholds

2.0.5 20161018

Add updates to user_config.h - moved SEND_TELEMETRY_DS18B20 and SEND_TELEMETRY_DHT to module area.
As Sonoff TH10/16 does not have the logic installed for GPIO04 You'll have to select ONE of both
Add Sonoff Pow support (experimental until Pow tested)
Add command Status 8 to display Sonoff Pow energy values
Add command MqttUnits On|Off to add units to values
Change web main page header character size
Change On/Off to ON/OFF status messages to satisfy openHAB
Change TEMP to TEMPERATURE and HUM to HUMIDITY

2.0.4 20161009

Add MQTT_BUTTON_RETAIN, SAVE_DATA and SAVE_STATE defines to user_config.h (#35)
Update ButtonRetain to remove retained message(s) from broker when turned off
Add Retain for second relay on Sonoff Dual
Provide power status messages with device topic index if requested

2.0.3 20161008

Update wifi initialization
Add command BUTTONRETAIN for optional MQTT retain on button press (#35)
Add command SAVESTATE to disable power state save. May be used with MQTT retain

2.0.2 20161006

Fix wifi issue 2186

2.0.1 20161002

Fix button press

2.0.0 20161002

Update Sonoff TH10/16 sensor pins (My TH10 only has GPIO14 connected)
Add full support for Sonoff dual

1.0.35 20160929

Add more lines to console
Add timeout and disable MQTT on web upload
Add command SAVEDATA to control parameter save (for flash wear afficionados) (#30)

1.0.34 20160926

Fix button press six and seven
Add more information to webserver

1.0.33 20160915

Better WPS error message
Separate webserver code from support.ino into webserver.ino
Fix webserver User by removing unwanted restart option

1.0.32 20160913

Add Wifi Protected Setup (WPS) as third option for initial config
Add command WIFICONFIG replacing deprecated command SMARTCONFIG
Add option WIFICONFIG 3 to start WPSconfig
Add option WIFICONFIG 0 to start saved Wifi config tool (WPSconfig, Smartconfig or Wifimanager)
Change button behaviour - See Wiki

1.0.31 20160907

Fix DS18B20 misread if teleperiod = 2
Tuned sensor code
Updated prefered ElectroDragon connection to Relay 1 and Button 1
Moved SONOFF and ELECTRO_DRAGON port config to user_config.h

1.0.30 20160902

Fix command TELEPERIOD 0
Add ESP- tag to UDP log message for easy rsyslogd filtering
Add ElectroDragon (Relay 2 only) functionality. Select with #define MODULE ELECTRO_DRAGON
Add ? as null message alternative
Add DHT temperature and humidity telemetry support. Enable with #define SEND_TELEMETRY_DHT
Add DS18B20 temperature telemetry support. Enable with #define SEND_TELEMETRY_DS18B20
Restrict HOSTNAME, MQTTCLIENT, TOPIC and BUTTONTOPIC in topic mode only

1.0.29 20160831

Allow UPGRADE, OTAURL, RESTART, RESET, MQTTHOST, MQTTPORT, MQTTUSER, MQTTPASSWORD and WEBSERVER also in group mode

1.0.28 20160831

Add webserver state to status 5
Add optional PUB_PREFIX2 (tele) for telemetry usage
Add command TELEPERIOD
Fix syntax message
Change memory status display

1.0.27 20160831

Add sketch flash size
Add console to webserver
Add command weblog
Change WifiManager web pages to minimal
Change display default hostname and MQTT client id in webserver
Change HTTP command interface to http://sonoff-1234/cm?cmnd=light 2
Change HEARTBEAT to UPTIME

1.0.26 20160829

Add define USE_WEBSERVER to disable web server code in source
Add file upload as alternative for ota upload to webserver
Add information to webserver
Add command hostname
Add command logport
Change HTTP command interface to http://sonoff-1234/cmd?cmnd=light 2
Change button behaviour with regards to Smartconfig and OTA upload. See README.md
Enforce default hostname to either "%s-%04d" or user defined without any %
Enforce default mqtt client id to either "DVES_%06X" or user defined without any %

1.0.25 20160822

Remove config system halts to keep ota available

1.0.24 20160821

Add test for MQTT_SUBTOPIC
Change log range to LOG_LEVEL_ALL
Change MQTT introduction messages
Moved MQTT_MAX_PACKET_SIZE warning message to introduction messages

1.0.23 20160821

Add option USE_SPIFFS to move config from flash to spiffs
Add webserver with options 0 (off), 1 (user) and 2 (admin)
Add HTTP command interface (http://sonoff-1234/c?cmnd=light 2)
Add wifimanager countdown counter
Add command line webpage
Add relay control to wifimanager
Add restart option 99 to force restart
Fix wifi hostname
Fix NETBIOS hostname problem by reducing default hostname length
Fix possible exception if WIFI_HOSTNAME is changed
Fix upgrade messages
Reduce memory use by redesigning config routines
Split syntax message
Rename define SERIAL_IO to USE_SERIAL

1.0.22 20160814

Add all MQTT parameters for configuration
Add wifimanager to configure Wifi and MQTT via web server
Change NTP time handling
Fix Smartconfig parameter buffer overflow
Fix PlatformIO warnings

1.0.21 20160808

Remove semaphore as subscription flooding (more than 15 subscriptions per second) is managed by SDK (LmacRxBlk:1)
Add optional RTC interrupt (define USE_TICKER) to keep RTC synced during subscription flooding
Remove heartbeatflag

1.0.20 20160805

Add semaphore to handle out of memory when too many subscriptions requested
Use Daylight Saving (DST) parameters from user_config.h when timezone = 99
Add status 7 option displaying RTC information
Add ledstate to status 0

1.0.19 20160803

Fix possible MQTT_CLIENT_ID induced Exception(28)

1.0.18 20160803

Moved Cfg_Default
Fix negative data handling
Remove MQTT information from status 1 and add labels to status 1
Add mac address to status 5
Add MQTT ClientId, UserId and Password to status 6

1.0.17 20160731

Better variable range checking
Change ambiguous connection messages
Add timestamp to serial message

1.0.16 20160729

Moved wifi, rtc, syslog and config to support.ino
Fixed button action when buttontopic is used. Introduced with 1.0.15
Better buffer overflow checks (strlcpy)

1.0.15 20160728

Removed pubsubclient config changes from sonoff.ino as it doesn't work
reapply MQTT_MAX_PACKET_SIZE 256 and MQTT_KEEPALIVE 120 to PubSubClient.h
Add status 0 option displaying all status messages
Change MQTT_MAX_PACKET_SIZE from 1024 to 256
Add buffer overflow checks (snprintf and strncpy)
Implemented common string sizes

1.0.14 20160722

Seperate user config from sonoff.ino to user_config.h (pucebaboon)
Change defaults from sidnas2 to domus1
Add MQTT status message as status 6 (pucebaboon)
Add status type to message (pucebaboon)
Add pubsubclient config changes to sonoff.ino (pucebaboon)

1.0.13 20160702

Add Ledstate 1 option to show power state on led

1.0.12 20160529

Allow disable of button topic using "0"

1.0.11 20160524

Provide button response if MQTT connection lost

1.0.10 20160520

Add optional button topic to assist external MQTT clients
Change version notation
Reset default values

1.0.9 20160503

Add more blinks
Add reset 2 option erasing flash
Add status 5 option displaying network info
Add syslog check for Wifi connection
Resize MqttPublish log array
Change Wifi smartconfig active from 100 to 60 seconds
Update Wifi initialization

1.0.8 20160430

Remove use of Wifi config data from SDK
Add status 3 (syslog info) and status 4 (flash info)
Add restart option to button (5 quick presses)

1.0.7 20160420

Add UDP syslog support
Change HOST command to MQTTHOST command
Add commands SYSLOG, SERIALLOG and LOGHOST
Change hostname to lower case to distinguise between open-sdk version
Add support for ESP-12F used in my modified wkaku power socket switch
Fix timezone command
Add RTC month names for future use
Modify button code
Remove initialization errors by better use of MQTT loop

1.0.6 20160406

Removed Wifi AP mode (#1)
Add test for Arduino IDE version >= 1.6.8
Fix RTC time sync code

1.0.5 20160310

Initial public release
Show debug info by selecting option from IDE Tools Debug port: Serial

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