Release Note

Last Updated on : 2025-11-26 03:04:47download

SDK versions

Feature	SDK series (latest version)	5.x series (v5.3.40)	6.x and later all-in-one series (TuyaOS v3.10.8, SDK v6.2.8)
Lifecycle timelines	-	EOL cycle	Visible and downloadable to all customers
IoT basic capabilities	MQTT over TLS device management HTTPS service channel Data point (DP) service channel Subordinate firmware reporting IPv6	√ √ √ √ -	√ √ √ √ √
Pairing	EZ pairing (deprecated) AP pairing QR pairing Pairing in wired mode in LAN Pairing via 4G short URL Expiration notification of 4G service Bluetooth pairing Scan for Wi-Fi networks	√ √ √ √ √ - √ -	√ √ √ √ √ - √ √
Streaming media	P2P version Standard WebRTC RTSP Available P2P security encryption levels	3.x √ √ -	3.x √ √ √
Local recording	Store in a proprietary format Playback on app Playback on web Video download Video deletion Local album Time-lapse recording Playback at 2x speed Playback at 4x to 32x speed Store in an MP4 format Store in an encrypted format	√ √ √ √ √ √ - √ - - -	√ √ √ √ √ √ √ √ √ √ √
Event alert	Alerts for various event types Custom event types Resumable transfer of alert messages	√ √ -	√ √ -
Calling and talk	Two-way audio talk Two-way video talk	√ -	√ -
Cloud storage	Standard sharding storage Controllable sharding length Resumable transfer after network loss	√ √ -	√ √ -
Cloud AI service	Cloud AI-based algorithm detection Interactive AI-based detection	- -	√ -
Open source components and security	Mbed TLS version cJSON version libSRTP version LAN encryption solution	2.16.2 1.1.0 2.2.0 AES-GCM	3.1.0 1.7.15 2.5.0 AES-GCM
Third-party integration	Amazon Alexa Echo Google Home Apple HomeKit Matter	√ √ - -	√ √ - -
Wukong AI	Voice chat Voice-controlled device Scene recognition	- - -	√ √ √
Others	Custom voice 4G top-up management (ICCID and other information reporting)	√ √	√ √

Releases

TuyaOS version	SDK version	Key release features
3.10.18	6.2.18	Wukong AI has been upgraded to support voice-controlled devices. Removed support for CBC cipher suites in TLS connections. Cloud storage recordings supported dynamically switching between orders. Supported controlling the number of simultaneous live streams from remotely managed devices. Optimized local video storage. Optimized some API responses and fixed known bug. Optimized the low-power keep-alive and Bluetooth pairing demo.
3.10.16	6.2.16	Optimized local video storage. Supported separate reporting of security version numbers. Supported smart pet detection. Improved the initialization logic of Wukong AI.
3.10.14	6.2.14	Supported local storage 2.0. Fixed known bug.
3.10.12	6.2.12	Supported custom background image download. Support real-time weather and forecast weather acquisition. Fix some known issues.
3.10.10	6.2.10	Supported Wukong AI 2.0. Supported motion trajectory. Supported event reporting frequency control. Fix some known issues.
3.10.8	6.2.8	Supported local storage of photo albums. Enhanced security. Fixed certain known issues.
3.10.6	6.2.6	Supported Radio Equipment Directive (RED) to report a secure version. Upgraded low-power keep-alive service interfaces. Upgraded custom voice services.
3.10.4	6.2.4	Supported IPv6. Enhanced component security.
3.10.1	6.2.1	Supported to disconnect the stream in case of 4G service expiration. Optimized the local storage path. Fixed the issue with adapting to IPV6. Fixed the issue with video messages. Fixed the issue with the MQTT backoff process. Fixed the issue with low-probability Bluetooth crash.
3.10.0	6.2.0	Supported two-way video talk. Supported IPv6. Offered new AI solutions. Supported resumable transfer after network loss. Upgraded the P2P transmission. Supported sending notifications when a 4G capability and 4G service expire. Fixed known issues.
3.9.6	6.1.6	Fixed the issue with close reasons. Fixed the issues caused by corruption of .db binary configuration files.
3.9.5	6.1.5	Fixed the issue of the token being empty in pairing debug mode.
3.9.2	6.1.2	Fixed the issue of garbled text when reporting skills on certain platforms. Fixed compatibility issues with certain apps during the Bluetooth pairing process. Disabled activation and binding with QR code by default. Updated the low-power keep-alive demo. Fixed the issue with abnormal MQTT status updates when switching between Wi-Fi and wired modes.
3.9.0	6.1.0	Supported MP4 format for local storage. Supported encryption of local storage. Supported displaying a Wi-Fi list during pairing. Supported reporting of 4G capabilities. Supported pairing over a private cloud. Updated the readme development guide.

Support and help

If you have any problems with TuyaOS development, you can post your questions in the Tuya Developer Forum.

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