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RELEASE NOTES

Migration Information

This version removes support for direct migration from versions before v8.1.0 (Doris)

See migration path for instructions how to migrate to a major version.

Do not upgrade from minimal to minimal version. It will most likely fail at some point and will require flashing via serial. If you do have to use minimal versions, always OTA to a full version of the same release before applying next minimal version.

Pay attention to the following version breaks due to dynamic settings updates:

  1. Migrate to Sonoff-Tasmota 3.9.x
  2. Migrate to Sonoff-Tasmota 4.x
  3. Migrate to Sonoff-Tasmota 5.14 (http://ota.tasmota.com/tasmota/release_5.14.0/sonoff.bin) - NOTICE underscore as a dash is not supported in older versions
  4. Migrate to Sonoff-Tasmota 6.7.1 (http://ota.tasmota.com/tasmota/release_6.7.1/sonoff.bin) - NOTICE underscore as a dash is not supported in older versions
  5. Migrate to Tasmota 7.2.0 (http://ota.tasmota.com/tasmota/release-7.2.0/tasmota.bin)

--- Major change in parameter storage layout ---

  1. Migrate to Tasmota 8.5.1 (http://ota.tasmota.com/tasmota/release-8.5.1/tasmota.bin)

--- Major change in internal GPIO function representation ---

  1. Migrate to Tasmota 9.1 (http://ota.tasmota.com/tasmota/release-9.1.0/tasmota.bin.gz)
  2. Upgrade to latest release (http://ota.tasmota.com/tasmota/release/tasmota.bin.gz)

While fallback or downgrading is common practice it was never supported due to Settings additions or changes in newer releases. Starting with release v9.1.0 Imogen the internal GPIO function representation has changed in such a way that fallback is only possible to the latest GPIO configuration before installing v9.1.0.

Supported Core versions

This release will be supported from ESP8266/Arduino library Core version 2.7.6 due to reported security and stability issues on previous Core version. This will also support gzipped binaries.

This release will be supported from ESP32/Arduino library Core version 2.0.14.

Support of ESP8266 Core versions before 2.7.6 and ESP32 Core versions before 2.0.14 have been removed.

Support of TLS

In addition to TLS using fingerprints now also user supplied CA certs, AWS IoT and Azure IoT is supported. Read full documentation

Initial configuration tools

For initial configuration this release supports Webserver based WifiManager or Serial based command interface.

Initial installation

Easy initial installation of Tasmota can be performed using the Tasmota WebInstaller.

Provided Binary Downloads

ESP8266 or ESP8285 based

The following binary downloads have been compiled with ESP8266/Arduino library core version 2.7.6.

  • tasmota.bin = The Tasmota version with most drivers for 1M+ flash. RECOMMENDED RELEASE BINARY
  • tasmota-4M.bin = The Tasmota version with most drivers and filesystem for 4M+ flash.
  • tasmota-AD.bin to tasmota-VN.bin = The Tasmota version in different languages for 1M+ flash.
  • tasmota-lite.bin = The Lite version without most drivers and sensors for 1M+ flash.
  • tasmota-knx.bin = The Knx version without some features but adds KNX support for 1M+ flash.
  • tasmota-sensors.bin = The Sensors version adds more useful sensors for 1M+ flash.
  • tasmota-ir.bin = The InfraRed Receiver and transmitter version allowing all available protocols provided by library IRremoteESP8266 but without most other features for 1M+ flash.
  • tasmota-display.bin = The Display version without Energy Monitoring but adds display support for 1M+ flash.
  • tasmota-zbbridge.bin = The dedicated Sonoff Zigbee Bridge version for 2M+ flash.
  • tasmota-zigbee.bin = The dedicated cc25xx Zigbee Bridge version for 4M+ flash.

Above binaries are also available as gzipped version allowing faster uploads.

Latest released binaries can be downloaded from

Historical binaries can be downloaded from

The latter links can be used for OTA upgrades too like OtaUrl http://ota.tasmota.com/tasmota/release/tasmota.bin.gz

ESP32, ESP32-C3, ESP32-S2 and ESP32-S3 based

The following binary downloads have been compiled with ESP32/Arduino library core version 2.0.14.

  • tasmota32.bin = The Tasmota version with most drivers including additional sensors and KNX for 4M+ flash. RECOMMENDED RELEASE BINARY
  • tasmota32xy.bin = The Tasmota version with most drivers including additional sensors and KNX for ESP32-C3/S2/S3 and 4M+ flash.
  • tasmota32xycdc.bin = The Tasmota version with most drivers including additional sensors and KNX for ESP32-C3/S2/S3 with serial over embedded USB CDC only and 4M+ flash.
  • tasmota32solo1.bin = The Tasmota version with most drivers including additional sensors and KNX for single core ESP32 and 4M+ flash.
  • tasmota32-AD.bin to tasmota32-VN.bin = The Tasmota version in different languages for 4M+ flash.
  • tasmota32-bluetooth.bin = The Bluetooth version adds BLE support for 4M+ flash.
  • tasmota32-display.bin = The Display version without Energy Monitoring but adds display support for 4M+ flash.
  • tasmota32-ir.bin = The InfraRed Receiver and transmitter version allowing all available protocols provided by library IRremoteESP8266 but without most other features for 4M+ flash.
  • tasmota32-lvgl.bin = The LVGL version adds Light and Versatile Graphics Library (LVGL) display support for 4M+ flash.
  • tasmota32-nspanel.bin = The Sonoff NSPanel Smart Scene Wall Switch version with HASPmota display support.
  • tasmota32-webcam.bin = The Webcam version adds webcam support for 4M+ flash.
  • tasmota32-zbbridgepro.bin - The Sonoff Zigbee Bridge Pro version with CC2652P firmware load support.

ESP32-C2 and ESP32-C6 based

The following binary downloads have been compiled with ESP32/Arduino library core version 3.0.0-alpha3.

  • tasmota32c2-arduino30.bin = The Tasmota version with most drivers including additional sensors and KNX for ESP32-C2 and 4M+ flash.
  • tasmota32c6cdc-arduino30.bin = The Tasmota version with most drivers including additional sensors and KNX for ESP32-C6 with serial over embedded USB CDC or hardware USB and 4M+ flash.

Latest released binaries can be downloaded from

Historical binaries can be downloaded from

The latter links can be used for OTA upgrades too like OtaUrl https://ota.tasmota.com/tasmota32/release/tasmota32.bin

Additional information

List of embedded modules.

Complete list of available feature and sensors.

Changelog v13.3.0.5

Added

  • Command TimedPower<index> <milliseconds>[,ON|OFF|TOGGLE|BLINK] executes Power<index> [ON|OFF|TOGGLE|BLINK] and after executes Power<index> [OFF|ON|TOGGLE|OFF]
  • Command SetOption158 to publish or suppress ModbusReceived MQTT messages #20678
  • Display of active drivers using command status 4
  • GPIO Viewer to see realtime GPIO states. Enable with define USE_GPIO_VIEWER
  • GPIO Viewer user selection of assets website now defaults to https://ota.tasmota.com/tasmota|tasmota32/gpio_viewer/assets
  • Support for CST816S touch interface #20213
  • Support for Sonoff Basic R4 Magic Switch #20247
  • Support negative power on BL0942 using index 5..8 #20322
  • Support for pipsolar inverter #20408
  • Support for HardwareSerial invert #15461
  • NeoPool hydrolysis FL1 and Redox flag #20258
  • SML support for IM350 #20474
  • GUI sensor separators #20495
  • ESP32 used UART information
  • ESP32 support GPIOViewer when define USE_ESP32_GPIO_VIEWER is enabled
  • ESP32 MI BLE support for Xiaomi LYWSD02MMC #20381
  • ESP32 support for Shelly Plus Add-On using DS18x20 or DHT11/AM2301/DHT21/DHT22/AM2302/AM2321/SI7021 on GPIO0/1 #20580
  • ESP32 MI32 Legacy initial support for sensors using BTHOME packet format #20625
  • ESP32 Core3 support for SPI ethernet on DM9051, W5500 and KSZ8851
  • ESP32-C3 support for GPIO11 #18350
  • Berry GPIO viewer initial version using async webserver #20416
  • Berry introspect.set() for class attributes #20339
  • Berry support for tcpclientasync in tcpserver #20401
  • Berry tasmota.urlbecload(url:string) -> bool #20412
  • Berry gpio.read_pwm and gpio.read_pwm_resolution #20414
  • Berry gpio.get_pin_type and gpio.ger_pin_type_index #20415
  • Berry string to bytes() #20420
  • Berry button to dynamically load GPIO Viewer with Berry backend #20424
  • Berry debug_panel.tapp to display real-time heap and wifi rssi #20436
  • Berry webserver.header to read browser sent headers #20447
  • Berry provide lightweight options for tasmota.wifi/eth/memory/rtc #20448
  • Berry tasmota.webcolor #20454
  • Berry debug.caller #20470
  • Berry solidification of strings longer than 255 bytes #20529
  • Berry syntax coloring for Notepad++ by FransO #20541
  • Berry/Zigbee web hook per device for customized status display #20542
  • Berry introspect.contains and bytes.addfloat #20635
  • Zigbee ZbEmulation to selectively exclude some devices from Hue/Alexa emulation #20552
  • LVGL lv.str_arr #20480
  • LVGL option to add lv.keyboard extra widget #20496
  • HASPmota haspmota.page_show() to change page #20333
  • HASPmota type chart #20372
  • HASPmota support for min and max attribute in slider #20582
  • Matter support for password for remote Tasmota devices #20296
  • Matter add human readable names for TimeSync cluster #20666

Breaking Changed

  • ESP32 LVGL library from v8.3.11 to v9.0.0, some small breaking changes in C, none in HASPmota #20659
  • Refactoring of Berry animate module for WS2812 Leds #20236
  • Matter aggregator relocated to endpoint 1 for Google compatibility, may break existing associations #20654

Changed

  • ESP8266 platform update from 2023.04.00 to 2024.01.01 #20539
  • ESP8266 Framework (Arduino Core) from v2.7.4.9 to v2.7.6 #20539
  • ESP32 Core2 platform update from 2023.11.01 to 2024.01.01 #20473
  • ESP32 Core3 platform update from 2024.01.11 to 2024.01.12 #20576
  • Library OneWire-Stickbreaker by TasmotaOneWire supporting Shelly Plus Add-On #20580
  • Renamed button "Consoles" to "Tools"
  • Refactored rule Subscribe using LList allowing full message size and enabled by default
  • Refactored rules USE_EXPRESSION and SUPPORT_IF_STATEMENT replacing LinkedList with arrays and enabled by default
  • Support syslog updates every sleep or every second if #define SYSLOG_UPDATE_SECOND #20260
  • Web file upload response on upload error #20340
  • Header Host is now collected by Webserver #20446
  • Utouch optimizations, rgb i2c init #20596
  • Miel HVAC lower the minimum temperature to 10C #20628
  • Webcam tweaks #20451
  • IP stack compatible with new Core3 IPv6 implementation #20509
  • Refactored Pio filesystem download script #20544
  • Matter improve MtrInfo #20686
  • Matter redirects for Advanced Matter configuration UI #20690
  • Matter implement auto-attributes #20694

Fixed

  • CVE-2021-36603 Cross Site Scripting (XSS) vulnerability #12221
  • Syslog server warning caused by lack of field and hostname starting with 'z' #14689
  • Support for Domoticz floor/room topics. Regression from v12.0.1 #20299
  • Scripter memory leak in >w x #20473
  • Zigbee ramdom crash in main page #20481
  • ESP8266 IPv6 support #20539
  • ESP32 piezo ceramic buzzer doesn't buzz #20118
  • ESP32 shutter exception 6 (divide by zero) on ShutterMode 4 #20524
  • ESP32 Zigbee Aqara attributes #20452
  • ESP32 Audio for Core3, MP3Stream and Shine #20540
  • ESP32 Core3 reset GPIOs 16/17 when PSRAM is not used #20547
  • LVGL fix type for lv_imgbtn #20354
  • Berry claiming UART0 if needed #20324
  • Berry assigment to list with negative index #20537
  • Berry C mapping, raise an error if too many arguments are sent #20604
  • Matter Contact sensor was not triggering any update #20232
  • Matter support for Alexa #20545
  • Matter error when removing device from Google Home #20665
  • Matter exception when fabrics is not initialized #20667

Removed

  • Max number of 30 backlog entries