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< img src = "https://github.com/arendst/Tasmota/blob/master/tools/logo/TASMOTA_FullLogo_Vector.svg" alt = "Logo" align = "right" height = "76" / >
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# RELEASE NOTES
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## Migration Information
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See [migration path ](https://tasmota.github.io/docs/Upgrading#migration-path ) for instructions how to migrate to a major version. Pay attention to the following version breaks due to dynamic settings updates:
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1. Migrate to **Sonoff-Tasmota 3.9.x**
2. Migrate to **Sonoff-Tasmota 4.x**
3. Migrate to **Sonoff-Tasmota 5.14**
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4. Migrate to **Sonoff-Tasmota 6.x**
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5. Migrate to **Tasmota 7.x**
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--- Major change in parameter storage layout ---
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6. Migrate to **Tasmota 8.1**
7. Migrate to **Tasmota 8.x**
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--- Major change in internal GPIO function representation ---
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8. Migrate to **Tasmota 9.x**
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** .
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## Supported Core versions
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This release will be supported from ESP8266/Arduino library Core version **2.7.4.3** due to reported security and stability issues on previous Core version. This will also support gzipped binaries.
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Support of Core versions before 2.7.1 has been removed.
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## Support of TLS
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To save resources when TLS is enabled mDNS needs to be disabled. In addition to TLS using fingerprints now also user supplied CA certs and AWS IoT is supported. Read [full documentation ](https://tasmota.github.io/docs/AWS-IoT )
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## Initial configuration tools
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For initial configuration this release supports Webserver based **WifiManager** or **Serial** based command interface only. Support for **WPS** and **SmartConfig** has been removed.
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## Provided Binary Downloads
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The following binary downloads have been compiled with ESP8266/Arduino library core version **2.7.4.3** .
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- **tasmota.bin** = The Tasmota version with most drivers. **RECOMMENDED RELEASE BINARY**
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- **tasmota-BG.bin** to **tasmota-TW.bin** = The Tasmota version in different languages.
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- **tasmota-lite.bin** = The Lite version without most drivers and sensors.
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- **tasmota-knx.bin** = The Knx version without some features but adds KNX support.
- **tasmota-sensors.bin** = The Sensors version adds more useful sensors.
- **tasmota-ir** = The InfraRed Receiver and transmitter version allowing all available protocols provided by library IRremoteESP8266 but without most other features.
- **tasmota-display.bin** = The Display version without Energy Monitoring but adds display support.
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- **tasmota-zbbridge.bin** = The dedicated Sonoff Zigbee Bridge version.
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- **tasmota-minimal.bin** = The Minimal version allows intermediate OTA uploads to support larger versions and does NOT change any persistent parameter. This version **should NOT be used for initial installation** .
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The attached binaries can also be downloaded from http://ota.tasmota.com/tasmota/release for ESP8266 or http://ota.tasmota.com/tasmota32/release for ESP32. The links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmota.com/tasmota/release/tasmota.bin``
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[List ](MODULES.md ) of embedded modules.
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[Complete list ](BUILDS.md ) of available feature and sensors.
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## Changelog v9.0.0.2
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### Added
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- Command ``NoDelay`` for immediate backlog command execution by Erik Montnemery (#9544)
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- Command ``SwitchMode 15`` sending only MQTT message on switch change (#9593)
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- Zigbee command ``ZbData`` for better support of device specific data
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- 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)
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- Support for PWM dimmer color/trigger on tap, SO88 led, DGR WITH_LOCAL flag, multi-press and ledmask by Paul Diem (#9474, #9584 )
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- Support for stateful ACs using ``StateMode`` in tasmota-ir.bin by Arik Yavilevich (#9472)
- Support for analog buttons indexed within standard button range
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- Support for Vietnamese language translations by Tâm.NT
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- Support for timers in case of no-sunset permanent day by cybermaus (#9543)
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- Support for EZO Ph, ORP and RTD sensors by Christopher Tremblay (#9567, #9585 )
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- Support for fixed output Hi or Lo GPIO
- Support for ESP32 based Wireless-Tag WT32-ETH01 (#9496)
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### Breaking Changed
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- Redesigned ESP8266 GPIO internal representation in line with ESP32 changing ``Template`` layout too
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- ``#define MQTT_FINGERPRINT`` from string to hexnumbers (#9570)
- Command ``Status`` output for disabled status types now returns {"Command":"Error"}
- MAX31865 driver to support up to 6 thermocouples selected by ``MX31865 CS`` instead of ``SSPI CS`` (#9103)
### Changed
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- Command ``Gpio17`` replaces command ``Adc``
- Command ``Gpios`` replaces command ``Adcs``
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- New IR Raw compact format (#9444)
- 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)
- IRremoteESP8266 library from v2.7.10 to v2.7.11
- NeoPixelBus library from v2.5.0.09 to v2.6.0
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- Management of serial baudrate (#9554)
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- Rotary driver adjusted accordingly if Mi Desk Lamp module is selected (#9399)
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- Tasmota Arduino Core v2.7.4.5 allowing webpassword over 47 characters (#9687)
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### Fixed
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- Ledlink blink when no network connected regression from v8.3.1.4 (#9292)
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- 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)
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- Thermostat sensor status corruption regression from v8.5.0.1 (#9449)
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- Telegram message decoding error regression from v8.5.0.1
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- Rule handling of Var or Mem using text regression from v8.5.0.1 (#9540)
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- Correct Energy period display shortly after midnight by gominoa (#9536)
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- TuyaMcu energy display regression from v8.5.0.1 (#9547)
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### Removed
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- Support for direct upgrade from Tasmota versions before v7.0
- Auto config update for all Friendlynames and Switchtopic from Tasmota versions before v8.0
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- Support for downgrade to versions before 9.0 keeping current GPIO configuration
