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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 v13.4.0.3

Added

  • Support for calculated heat index if temperature and humidity is available with #define USE_HEAT_INDEX #4771
  • Support for LoRa and single channel EU863-870 LoRaWanBridge #17790
  • Support for AMS5915/AMS6915 temperature and pressure sensors #20814
  • Support for LWT messages in TasMesh #20392
  • Support IR data larger than 64 bits #20831
  • Support for MCP23S08 #20971
  • Support for ESP32-S3 120Mhz #20973
  • Support Azure iothub direct method #21013
  • Support for Domoticz non-persistent DzIdx5 to DzIdx32 and disabling DOMOTICZ_OUT_TOPIC subscribe using command DzIdx0 0 #21019
  • Support SPI GPIO configuration for Universal Touch Screen #21025
  • Zigbee support for attributes of type uint48 used by energy monitoring #20992
  • QMC5883l check for overflow and scale reading #20643
  • Berry explicit error log when memory allocation fails #20807
  • Berry path.rename() #20840
  • Berry string.startswith, string.endswith and %q format #20909
  • Berry close() to class serial #21042
  • LVGL and HASPmota typicons font #20742
  • LVGL lv.draw_label_dsc and lv_bar.get_indic_area #20936
  • HASPmota p<x>b<y>.delete to delete an object #20735
  • HASPmota improve arc and img #20894
  • HASPmota support for scale, percentages #20974

Breaking Changed

  • Drop support for old (insecure) fingerprint format #20842
  • Berry loading .be file does not generated .bec anymore #21075
  • LVGL remove embedded typicons font #20872
  • LVGL remove textarea and spinbox from binaries #20916

Changed

  • ESP32 Core3 platform update from 2024.01.12 to 2024.02.10 #20730
  • ESP32 LVGL library from v9.0.0 to v9.1.0 #21008
  • Refactor Platformio script post_esp32.py #20966
  • NeoPool webUI pH alarms (4 & 5) completed (#20743)#20743
  • Prevent shutter MQTT broadcast with activated ShutterLock #20827
  • Some display.ini to utouch #21029
  • KNX format of energy to match specifications #21074
  • ESP32 WiFi phy modes 11n and 11ax represented as HT20, HT40 and HE20 #19350
  • berry.exe (pre-compiled for Windows) updated to latest Berry patches #21024
  • Berry class int64 made immutable #20727
  • Matter reduce memory usage when reading with wildcards #20809
  • LVGL make lv_touch_3_buttons more responsive #20728
  • LVGL optimize fonts and add icons #20880
  • LVGL improved readability of montserrat-10 #20900
  • HASPmota fix and improve demo with pixel-perfect fonts #20734
  • HASPmota more attributes #20744
  • HASPmota support for spangroup (styled text) #20852
  • HASPmota support for led #20857
  • HASPmota moved to a distinct library lv_haspmota #20929
  • HASPmota solidify server-side #20938

Fixed

  • Filesystem save of JSON settings data
  • Shutter inverted using internal commands #20752
  • TuyaV2 suppressed dimmer updates from MQTT #20950
  • Scripter google char memory leak #20995
  • Too restrictive checksum checks in Lib_teleinfo #21033
  • Color swap option for rgb displaytext #21049
  • ESP32 PWM activity on unconfigured PWM GPIOs #20732
  • BTHome, prep BLE5 #20989
  • Berry Memory leak in import re #20823
  • Berry bug when parsing ternary operator #20839
  • Berry walrus with member or index #20939
  • Berry walrus bug when assigning to self #21015
  • HASPmota PSRAM memory leak #20818
  • HASPmota widgets line, btnmatrix, qrcode, bar, checkbox #20881
  • HASPmota demo and robotocondensed fonts #21014

Removed

  • Berry print "a" syntax no longer supported #21048