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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 6.7.1** (http://ota.tasmota.com/tasmota/release-6.7.1/)
5. Migrate to **Tasmota 7.2.0** (http://ota.tasmota.com/tasmota/release-7.2.0/)
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--- Major change in parameter storage layout ---
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6. Migrate to **Tasmota 8.5.1** (http://ota.tasmota.com/tasmota/release-8.5.1/)
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--- Major change in internal GPIO function representation ---
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7. Migrate to **Tasmota 9.1** (http://ota.tasmota.com/tasmota/release-9.1.0/)
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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 **2.7.4.9** 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 **2.7.4.9** .
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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.gz``
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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 v9.1.0.2
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### Added
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- Command ``SetOption115 1`` to enable ESP32 MiBle
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- Command ``SetOption116 1`` to disable auto-query of zigbee light devices (avoids network storms with large groups)
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- Command ``RfProtocol`` to control RcSwitch receive protocols by BBBits (#10063)
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- Commands ``TuyaRGB``, ``TuyaEnum`` and ``TuyaEnumList`` (#9769)
- Zigbee command ``ZbInfo`` and prepare support for EEPROM
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- Zigbee command ``ZbLeave`` to unpair a device
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- Zigbee support for Mi Door and Contact (#9759)
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- Zigbee alarm persistence (#9785)
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- Zigbee persistence of device/sensor data in EEPROM (only ZBBridge)
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- Zigbee better support for Tuya Protocol (#10074)
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- TyuaMcu update 2/3 by Federico Leoni (#10004)
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- Support for additional EZO sensors by Christopher Tremblay
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- Support for AS608 optical and R503 capacitive fingerprint sensor
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- Support for Shelly Dimmer 1 and 2 by James Turton (#9854)
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- Support for common anode sevenseg displays by adding ``#define USE_DISPLAY_SEVENSEG_COMMON_ANODE`` by Ken Sanislo (#9963)
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- Support for multiple WeMo devices by Magic73 (#9208)
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- Support for SPI connected MFRC522 13.56MHz rfid card reader (#9916)
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- KNX read reply for Power (#9236, #9891 )
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- Fallback NTP server from x.pool.ntp.org if no ntpservers are configured
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- Optional CCloader support for CC25xx Zigbee or CC26xx BLE by Christian Baars (#9970)
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- Letsencrypt R3 in addition to X3 CA (#10086)
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### Breaking Changed
- KNX DPT9 (16-bit float) to DPT14 (32-bit float) by Adrian Scillato (#9811, #9888 )
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### Changed
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- Core library from v2.7.4.5 to v2.7.4.9
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- IRremoteESP8266 library from v2.7.12 to v2.7.13
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- Shelly Dimmer 1 and 2 stm32 firmware from v51.4 to v51.5
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- mDNS has been disabled from all pre-compiled binaries to allow new features
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- Platformio compiler option `no target align` enabled (#9749)
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- Sonoff L1 color up scaling and color margin detection (#9545)
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- MQTT Wifi connection timeout from 5000 to 200 mSec (#9886)
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- Force bigger Thunk Stack if 4K RSA even without EC ciphers (#10075)
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### Fixed
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- Command ``gpio`` using non-indexed functions regression from v9.1.0 (#9962)
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- NTP fallback server functionality (#9739)
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- Telegram group chatid not supported (#9831)
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- KNX buttons, switches and sensors detection regression from v9.1.0 (#9811)
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- KNX ESP32 UDP mulicastpackage (#9811)
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- GUI MqttUser and MqttPassword updates when TLS is compiled in (#9825)
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- ESP32 TasmotaClient firmware upgrade (#9218)
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- Reset to defaults after 6 hours of DeepSleep (#9993)
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- Backlog timing wraparound (#9995)
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- First LED in addressable string does not fade when using scheme (#10088)
- Improved Opentherm error handling (#10055)
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### Removed
- Version compatibility check
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- PN532 define USE_PN532_CAUSE_EVENTS replaced by generic rule trigger `on pn532#uid=`
