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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 2.7.4.9 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 2.0.5.3.

Support of ESP8266 Core versions before 2.7.4.9 and ESP32 Core versions before 2.0.5.3 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 2.7.4.9.

  • tasmota.bin = The Tasmota version with most drivers for 1M+ flash. RECOMMENDED RELEASE BINARY
  • tasmota4M.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 2.0.5.3.

  • 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.

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/tasmota32/release/tasmota32.bin

Additional information

List of embedded modules.

Complete list of available feature and sensors.

Changelog v12.2.0.5

Added

  • Command SetOption35 0..255 to skip number of received messages in Serial Bridge (default 0) #17140
  • Command SetOption47 1..255 to delay power on relay state in seconds reducing power surge. SO47 1 delays until network connected. SO47 2 delays until mqtt connected
  • Command RgxClients for range extender clients list #17048
  • Command RgxPort [tcp|udp], gateway_port, client_mac, client_port for range extender port forwardings #17092
  • Command SSerialBuffer 256..SERIAL_BRIDGE_BUFFER_SIZE to change serial bridge rx buffer size #17120
  • Command SwitchMode 16 sending only MQTT message on inverted switch change #17028
  • Command NeoPool NPFiltration 2 toggle #16859
  • Optional define SERIAL_BRIDGE_BUFFER_SIZE to set Serial Bridge internal buffer size (Default ESP8266 = 256, ESP32 = 800)
  • Support for two phase power calibration using commands PowerSet2, VoltageSet2 and CurrentSet2
  • Support for Shelly Pro 1/1PM and 2/2PM #16773
  • Support for up to four DS18x20 GPIOs by md5sum-as #16833
  • Support for Digital Addressable Lighting Interface (DALI) by Andrei Kazmirtsuk #16938
  • Support for NTAG2xx tags read and write on PN532 NFC reader #16939
  • Support for Plantower PMSx003T AQI models with temperature and humidity #16971
  • Support for BP1658CJ RGBCW led bulbs like Orein OS0100411267 by Cossid #17011
  • Support for Dingtian x595 shift register based relay boards by Barbudor #17032
  • Support for HMC5883L 3-Axis Digital Compass sensor by Andreas Achtzehn #17069
  • WS2812 and Light ArtNet DMX control over UDP port 6454 #17059
  • Teleinfo TEMPO (BBR) contract #17160
  • Berry bytes().setbytes() method #16892
  • Berry bytes().reverse() method #16977
  • Zigbee router firmware for Sonoff ZBBridgePro #16900
  • ESP32 Support for DMX ArtNet Led matrix animations #16984
  • ESP32 DS18x20 parasitic power usage when defining W1_PARASITE_POWER #17112

Breaking Changed

  • Redesign distance sensors VL53LXX, TOF10120, HRXL and DYP to use cm instead of mm #17021

Changed

  • ESP32 Framework (Core) from v2.0.5 to v2.0.5.3
  • ESP32 LVGL library from v8.3.2 to v8.3.3 (no functional change)
  • ESP32 NimBLE library from v1.4.0 to v1.4.1 #16775
  • Serial Bridge default internal serial rx buffer size from 64 to 256 #17120
  • DS18x20 DS18Alias to DS18Sens #16833
  • Compiling with reduced boards manifests in favour of Autoconfig #16848
  • ADE7953 monitoring from instant power to accumulated energy #16941
  • TuyaMcu rewrite by btsimonh #17051
  • WS2812 sends signal to only Pixels leds instead of sending to 512 leds #17055
  • AC PWM dimmer lineair power distribution #17177
  • Zigbee improved Aqara plug support and completed cluster 0x0702 #17073

Fixed

  • Serial bridge default serial configuration from 5N1 to 8N1 regression from v10.1.0.3
  • BP5758D red channel corruption regression from v12.1.1.6 #16850
  • Deduplicate code and fix %timer n% rule regression from v12.2.0 #16914
  • Serial initialization for baudrate and config #16970
  • ModbusBridge buffer overflow #16979
  • ModbusBridge baudrates over 76500 baud #17106
  • SenseAir S8 module detection #17033

Removed

  • Define USE_PN532_DATA_RAW from NFC reader #16939