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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 2.0.6.

Support of ESP8266 Core versions before 2.7.4.9 and ESP32 Core versions before 2.0.6 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
  • 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 2.0.6.

  • 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 https://ota.tasmota.com/tasmota32/release/tasmota32.bin

Additional information

List of embedded modules.

Complete list of available feature and sensors.

Changelog v12.3.1.5

Added

  • Support for up to 3 single phase modbus energy monitoring device using generic Energy Modbus driver- Support for RGB displays #17414
  • Support for IPv6 DNS records (AAAA) and IPv6 Ping for ESP32 and ESP8266 #17417
  • Support for IPv6 only networks on Ethernet (not yet Wifi)
  • Support for TM1650 display as used in some clocks by Stefan Oskamp #17594
  • Support for PCA9632 4-channel 8-bit PWM driver as light driver by Pascal Heinrich #17557
  • support for SEN5X gas and air quality sensor by Tyeth Gundry #17736
  • Berry support for crypto.SHA256 #17430
  • Berry crypto add EC_P256 and PBKDF2_HMAC_SHA256 algorithms required by Matter protocol #17473
  • Berry crypto add random to generate series of random bytes
  • Berry crypto add HKDF_HMAC_SHA256
  • Berry crypto add SPAKE2P_Matter for Matter support
  • ESP32 command EnergyCols 1..8 to change number of GUI columns
  • ESP32 command EnergyDisplay 1..3 to change GUI column presentation
  • ESP32 support for eigth energy phases/channels
  • ESP32 support for BMPxxx sensors on two I2C busses #17643
  • ESP32 support for Biomine BioPDU 625x12 #17857

Breaking Changed

Changed

  • ESP32 Framework (Core) from v2.0.5.3 to v2.0.6 (IPv6 support)
  • Energy totals max supported value from +/-21474.83647 to +/-2147483.647 kWh
  • Removed delays in TasmotaSerial and TasmotaModbus Tx enable switching
  • Keep webserver enabled on command upload
  • Increase rule event buffer from 100 to 256 characters #16943
  • TuyaMcu rewrite by btsimonh #17051
  • Tasmota OTA scripts now support both unzipped and gzipped file uploads #17378

Fixed

  • Modbus transmit enable GPIO enabled once during write buffer
  • Energy dummy switched voltage and power regression from v12.2.0.2
  • ESP8266 set GPIO's to input on power on fixing relay spikes #17531
  • Shutter default motorstop set to 0 #17403
  • Shutter default tilt configuration #17484
  • Orno WE517 modbus serial config 8E1 setting #17545
  • Rename tasmota4M.bin to tasmota-4M.bin to solve use of tasmota-minimal.bin #17674

Removed