TuyaOS Release Notes

This topic provides information on TuyaOS EasyGo releases, which will be updated over time in Resource Center on Tuya Wind IDE. You can download the release from Tuya Wind IDE.

Networked Product Development Framework

• Networked Product Development Framework is tailored to different connectivity protocols. The framework includes essential functionalities, such as networking and device control, to quickly enable a product to connect to the Tuya Developer Platform.

• Release notes

  Type development kit	Development platform	Version	Description
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	BK7231N	3.10.0	Optimized the heartbeat mechanism between devices and the cloud. Improved power-on Wi-Fi quick connect by reducing the time from three to two seconds, resulting in a 30% speed increase. Optimized log sequence storage and reporting. Optimized low power pairing. Supported anti-misoperation pairing. Supported automatic country code detection over Wi-Fi. Supported tailoring SDK feature set after compilation.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	BK7231N	3.9.0	Optimized the pairing experience. With a Bluetooth connection, a device can be paired in just 10 seconds, achieving a 40% increase in speed. Supported both IPv4 and IPv6, reducing network latency for improved performance and security.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	BK7231N/RTL8720CF	3.8.0	Added contactless reset and pairing with QR code. Changed the synchronization mechanism for local scheduled tasks from polling to subscription and notification mode. Supported querying local device logs using the mobile app.
  Networked Product Development: Low Power Wi-Fi Device Development Kit	XR806	3.8.0	Released a development framework that supports ultra-low power consumption and keep-alive, with an average current of less than 200 μA.
  Networked Product Development: Wi-Fi & Bluetooth Matter Device Development Kit	BK7231N	3.7.0	Added low power mode (GWCM_LOW_POWER) and memory mode (GWCM_SPCL_MODE) for Matter pairing. Added support for Bluetooth remote controls. Added Wi-Fi status (STAT_MATTER_COMMISSIONED and STAT_OTHER_UNCFG). Optimized the Matter pairing process with an improved success rate.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	LN882H	3.5.4	Fixed the issue where if the device in memory mode is powered off within 10 seconds of startup, it will enter low power mode instead of pairing mode when powered on again. Outstanding issue: Packet loss occurs in serial communication in low power mode, which affects the development of low power applications and interfacing with an MCU. To resolve this issue, hardware layer modification is necessary.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	ECR6600-TS2D	3.5.3	Fixed the issue where if the device in memory mode is powered off within 10 seconds of startup, it will enter low power mode instead of pairing mode when powered on again.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	RTL8720CF	3.5.3	Fixed the issue where if the device in memory mode is powered off within 10 seconds of startup, it will enter low power mode instead of pairing mode when powered on again.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	ECR6600-TS2D	3.5.0	Added pre-shared key (PSK) 3.0. Added firmware signature. Added Bluetooth+X. Added support for Constrained Application Protocol (CoAP). Updated to mbed TLS 3.1. Improved Wi-Fi Easy Connect (EZ mode). Refactored the microservices for Wi-Fi and Bluetooth combo.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	SSD202	3.4.0	Added support for pairing in AP mode over TLS or non-TLS. Provided the interface to set the maximum number of devices that can be paired in AP mode. By default, only one device is allowed to be paired. Removed EZ mode to enhance device security. Added support for the security component. Optimized RAM and ROM resources.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	ECR6600-TS2D	3.4.0	Added support for pairing in AP mode over TLS or non-TLS. Provided the interface to set the maximum number of devices that can be paired in AP mode. By default, only one device is allowed to be paired. Removed EZ mode to enhance device security. Added support for the security component. Optimized RAM and ROM resources.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	BK7231N	3.3.3	Fixed issues with network recovery in memory mode for cases where the device is accidentally reset locally by the user. Fixed the failure to alternate between AP mode and EZ mode in AP First or EZ First after the second reset.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	RTL8720CS	3.3.2	Added support for AP pairing, Bluetooth pairing, Pegasus pairing, and user-defined pairing mode. Added support for device control over LAN and Bluetooth as well as with mobile app remotely. Added support for encrypted storage and communication. Added support for cloud-based services, including scheduling, linkage, scenes, and OTA. Improved the generic driver interface.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	BK7231N	3.3.2	Added support for AP pairing, Bluetooth pairing, Pegasus pairing, and user-defined pairing mode. Added support for device control over LAN and Bluetooth as well as with mobile app remotely. Added support for encrypted storage and communication. Added support for cloud-based services, including scheduling, linkage, scenes, and OTA. Improved the generic driver interface.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	RTL8720CM	3.3.1	Added support for selection of the preferred channel for data point (DP) data reporting, either Bluetooth or Wi-Fi. Optimized the ADC, PWM, SPI, and PINMUX driver interfaces. Fixed buffer overwrite caused by long DP data.
  Networked Product Development: Wi-Fi & Bluetooth Combo Device Development Kit	RTL8720CF	3.3.1	Added support for selection of the preferred channel for data point (DP) data reporting, either Bluetooth or Wi-Fi. Optimized the ADC, PWM, SPI, and PINMUX driver interfaces. Fixed buffer overwrite caused by long DP data.
  Networked Product Development: Low Power Wi-Fi Device Development Kit	ECR6600-TS2D	3.3.0	Added support for low power Wi-Fi smart switch (no neutral wire required). Not supported LAN functionality. Added support for Bluetooth pairing, but not control over Bluetooth. Not supported Wi-Fi network backup.
  Networked Product Development: Ethernet Device Development Kit	x86_64	3.3.0	Added a demo to try out TuyaOS features. You can download the development framework and compile the project to create an executable file.

Cellular Product Development Framework

• Cellular Product Development Framework provides LTE Cat.x and NB-IoT OpenCPU solutions that come with a rich array of APIs to speed up developing cellular products.

• Release notes

  Type development kit	Development platform	Version	Description
  Cellular Product Development: Cat.1 Device Development Kit	UIS8910DM	3.5.3	Updated the SDK to TuyaOS 3.5.3. Fixed the issue with starting up the Bluetooth service and enabling Bluetooth. Password Authentication Protocol (PAP) authentication is used only when authentication parameters exist. Removed GPIO interrupt print. Added NAS to GNSS components. Added support for auto-baud detection.
  Cellular Product Development: Cat.1 Device Development Kit	LZ211-CN	3.5.1	Updated the SDK for UNISOC. Updated the TuyaOS version. Optimized some system functions.
  Cellular Product Development: Cat.1 Device Development Kit	TCS600U	3.5.1	Added support for Tuya production testing process. Added support for cellular network, phone call, SMS, and battery. Added support for cloud connection.
  Cellular Product Development: Cat.1 Device Development Kit	LZ211-EAU	3.5.1	Added support for loading 6228 GPS firmware. Fixed the issue with GPS library. Updated the chip manufacturer’s SDK. Fixed issues with Bluetooth. Fixed the failure to activate the device again after activation through Packet Data Protocol (PDP) authentication. Fixed the issue with lengths of dual-tone multi-frequency (DTMF) signaling and SMS message receiving. Fixed the issue with adapting to the I2C driver.
  Cellular Product Development: Cat.1 Device Development Kit	LZ201-CN	3.5.1	Added DTMF detection. Added Bluetooth+X mode. Improved Bluetooth stability by 30%. Fixed the issue with sending long SMS messages.
  Cellular Product Development: Cat.1 Device Development Kit	LZ211-EAU	3.5.0	Updated the UIS8910DM SDK. Fixed the issue with setting the pdp_type. Fixed the network exception that occurred when transitioning from airplane mode to fully-operational mode. Fixed the LCD driver issue caused by SDK updates. Fixed the SMS issues cased by SDK updates. Fixed the SIM card detection issue caused by SDK updates.
  Cellular Product Development: NB-IoT Device Development Kit	MT2625SCA	3.4.9	Added support for auto-adaptive for China Telecom and China Mobile. Added support for configuring NB-IoT discrete mechanism for an MCU. Added support for China Telecom AEP platform.
  Cellular Product Development: NB-IoT Device Development Kit	XY1100	3.4.22	Added mechanism to prioritize the LWDP send queues. Added the production testing process for developers outside mainland China. Optimized writing key-value pairs to prevent duplicates. Optimized the exception handling process when downloading schema. Fixed the issue with event reporting when lifetime failed to update. Fixed known issues.
  Cellular Product Development: NB-IoT Device Development Kit	MT2625DA	3.4.2	Added support for discrete on power-on and discrete in DRX sleep mode. Supporting switching to China Telecom AEP (compatible with OC). Modified the logic for updating lifetime (with a delay in updating business data). Fixed the issue with clearing invalid record type data. Disabled the login interface when access is not authorized. Fixed the issue with no response returned when user data exceeds the limit.
  Cellular Product Development: Cat.1 Device Development Kit	LZ211-EAU	3.4.2	Fixed the issue with LZ211EAU not supporting UTF-16BE and UTF-16LE encoding formats. Fixed the cellular network status issue that occurred in v1.1.2.
  Cellular Product Development: NB-IoT Device Development Kit	MT2625DPA	3.4.14	Added support for auto-adaptive for China Telecom and China Mobile. Added support for configuring NB-IoT discrete mechanism for an MCU. Added support for China Telecom AEP platform.
  Cellular Product Development: NB-IoT Device Development Kit	XY1100	3.4.13	Added a demo application for integrating with a third-party cloud platform.
  Cellular Product Development: NB-IoT Device Development Kit	EC616	3.4.12	Added support for auto-adaptive for China Telecom and China Mobile. Added support for configuring NB-IoT discrete mechanism for an MCU. Added support for China Telecom AEP platform.
  Cellular Product Development: NB-IoT Device Development Kit	XY1100	3.4.12	Added support for China Mobile, China Unicom, and China Telecom. Added support for OTA updates in NB-IoT networks. Added support for local schedules. Added support for OTA updates on MCU. Added support for downloading MCU files. Added support for the discrete mechanism for handling concurrent requests to improve device connection.
  Cellular Product Development: Cat.1 Device Development Kit	LZ211-EAU	3.4.1	Optimized the logic for default GPRS APN settings to fix the issue with certain SIM cards not receiving carrier-provided APN settings. GPS modules supported UC6228 firmware. Added the API for controlling USB devices. Added the production testing feature to Wi-Fi models. Modified tkl_net_recv to nonblocking to prevent the QR code pairing process from being unable to exit. Optimized the GPS module code that might cause memory overflow. Placed limits on Bluetooth functionality for LZ211EAU.
  Cellular Product Development: Cat.1 Device Development Kit	LZ201-CN	3.3.1	Updated the demo in the SDK. Avoided the failure of Bluetooth protocol stack initialization. Fixed the issue with failing to set the MQTT heartbeat timeout. GPS supports UC6228CI ROM 1 and is compatible with ROM 2. Currently, only ROM 1 is tested. OTA channels 10 and 0 are used to update the base firmware and application firmware respectively. Added support for exporting the lib_transport header file. Fixed the bug with authorization information backup. Fixed the issue with failing to set SMS encoding.

Sub-Device Development Framework

• Sub-Device Development Framework helps you enable sub-devices that use Bluetooth, Zigbee, or Sub-GHz to connect to the cloud through gateways.

• Release notes

  Type development kit	Development platform	Version	Description
  Sub-Device Development: Bluetooth Device Development Kit	nRF52832/PHY6222/ FR801x/TLSR825x/ BK3431Q/GR551x/ BG24/PHY6252	3.10.0	Doubled the speed of OTA firmware updates. Added FreeRTOS-based development framework, allowing you to build RTOS-based applications. Supported Bluetooth gateways relaying accessories.
  Sub-Device Development: Bluetooth Beacon Mesh Device Development Kit	PHY6230/PHY6252	3.10.0	Supported unlimited forwarding of remote control commands.
  Sub-Device Development: Bluetooth Mesh Device Development Kit	TLSR825x	3.10.0	Optimized bulk pairing speed and group control performance. The bulk pairing speed is under 0.3s/pcs, with group control consistency under 50 ms, real-time response under 200 ms, and reliability exceeding 99.9%. Supported auto proxy. Supported relay on/off control.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.10.0	Added private pairing protocol, supporting QR code scanning. Added dynamic clear channel assessment (CCA) mechanism to increase data transmission success rate. Optimized routing algorithms to improve pairing and connection stability.
  Sub-Device Development: Bluetooth Device Development Kit	nRF52832/PHY6222/FR801x /TLSR825x/BK3431Q/GR551x /BG24	3.9.0	Added support for updating multiple firmware images via OTA. Added accessory management. Added gateway-based data roaming.
  Sub-Device Development: Bluetooth Mesh Device Development Kit	TLSR825x	3.9.0	Added support for compressed OTA updates to optimize flash memory usage.
  Sub-Device Development: Bluetooth Mesh Device Development Kit	PHY6222	3.9.0	Fixed incompatibility with some mobile phones. Added support for low power mode. Optimized forwarding parameters to improve the success rate of packet delivery.
  Sub-Device Development: Bluetooth Dual-Mode Device Development Kit	BK32881	3.9.0	Built the audio profile. Improved Bluetooth capabilities.
  Sub-Device Development: Bluetooth Beacon Mesh Device Development Kit	PHY6252	3.9.0	Added support for low power mode.
  Sub-Device Development: Bluetooth Beacon Mesh Device Development Kit	PHY6252	3.9.0	Added support for developing remote controls. Added support for developing mains-powered products.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.9.0	Optimized the relay pairing strategy to improve the success rate. Optimized the low power strategy to reduce the network power consumption by approximately 20%. Added support for incremental OTA updates.
  Sub-Device Development: Bluetooth Device Development Kit	PHY6222/nRF52832/TLSR825x	3.8.0	Added local configuration for connection modes and strategies. Added support for receiving control commands from the Tuya-enabled beacon remote control. Added support for Bluetooth beacon reporting, allowing DP data to be sent to the gateway and mobile app through advertising when the device is disconnected. Added file transfer service, used to send application-defined files to the device, such as smart watch faces.
  Sub-Device Development: Bluetooth Device Development Kit	FR801x/GR5515/BK3431Q	3.8.0	Added local configuration for connection modes and strategies. Added support for Bluetooth beacon reporting, allowing DP data to be sent to the gateway and mobile app through advertising when the device is disconnected. Added file transfer service, used to send application-defined files to the device, such as smart watch faces.
  Sub-Device Development: Bluetooth Mesh Device Development Kit	TLSR825x	3.8.0	Added OTA status push, enabling users to view the real-time progress of an OTA update on the mobile app. Unified vendor DP query and writing with TID, allowing you to enable/disable the feature using the API. Fixed the issue with serial data parsing in the authorization and production testing component.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.8.0	Added the finding and binding feature. Supported setting the offline timeout for low-power devices. Supported setting a preferred key for sub-device pairing. You have the option to use the global key, the install code, or both. Supported customizing device information attributes, such as the manufacturer name and device model. Extended the attribute table. Optimized underlying drivers.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.7.1	Added sub-device event logs, including power-off and restart, under-voltage warning, software reset, and watchdog reset. Improved the response speed of group control. Added support for bulk OTA updates.
  Sub-Device Development: Bluetooth Device Development Kit	BK32881	3.7.0	The initial release, supporting all TuyaOS Bluetooth sub-device features. Added support for Bluetooth Classic interfaces.
  Sub-Device Development: Bluetooth Device Development Kit	TLSR8250	3.7.0	Added support for TLSR8250 platform. Optimized the software timer component tal_sw_timer to support low power use cases.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.7.0	Added support for the development of Zigbee routers and sleepy end devices. Added support for low power devices. Fixed known issues.
  Sub-Device Development: Zigbee Device Development Kit	PHY6225	3.7.0	Added support for PHY6225 platform and development of Zigbee routers and sleepy end devices. Added incremental OTA updates to reduce the time to update a single device. Added bulk OTA updates to reduce the time to update large-scale deployments.
  Sub-Device Development: Zigbee Device Development Kit	EFR32MG24A010F1024	3.7.0	Initial release. Sleepy end devices are supported, but Zigbee routers are not.
  Sub-Device Development: Matter-Over-Thread Device Development Kit	EFR32MG24A020F1536IM40-BR	3.7.0	Added support for the development of Matter-Over-Thread routers. Added support for the Matter standard. Added support for compressed OTA updates. This is a beta release.
  Sub-Device Development: Bluetooth Beacon Mesh Device Development Kit	AK801AE-M3	3.6.3	Added a parameter to App_dps_download in the tal_beacon2 component to allow for extension. Fine-tuned the application layer. The added parameter is used to pass the pointer to the entire data packet to the application layer. The vendor makes ADC code leaner, but compromises the general usability, except for AK801. Updated the stack from 0x140 to 0x180, and the application now can use a maximum of 318 bytes.
  Sub-Device Development: Zigbee Device Development Kit	EFR32MG21A020	3.6.1	Added support for the development of Zigbee routers and sleepy end devices. Optimized the flash partitioning, increasing the available space for the application layer by 32 KB. Added the install code flag to the production testing protocol. Optimized some APIs, such as getting current time. Fixed known issues.
  Sub-Device Development: Zigbee Device Development Kit	PHY6225	3.6.1	Added support for the development of Zigbee routers and sleepy end devices. Added support for low power devices. Added support for configuring the gateway’s transmitter power. Added the ADC feature. Fixed the delay in broadcasting a recall scene command. Fixed the write exception that occurred when multiple endpoints register the same attribute with different content.
  Sub-Device Development: Zigbee Device Development Kit	TLSR8258	3.6.0	Added support for the development of Zigbee routers. Added support for using two dongles during production testing. Added prompt messages for compilation, such as a memory usage warning. Optimized flash protection by adding a flash lock scheme to prevent unintended erase and write operations. Added voltage detection for flash operations to prevent data exceptions caused by operations in low voltage. Added the logic to determine the flash write address to prevent unintended writes to the code section.
  Sub-Device Development: Zigbee Device Development Kit	EFR32MG21A020	3.5.2	Added support for the development of Zigbee routers and sleepy end devices. Optimized the local script used to generate the incremental updates. Added a prompt message that appears when an OTA file exceeds the size limit during generation. Fixed known issues.
  Sub-Device Development: Zigbee Device Development Kit	PHY6225	3.5.1	Added support for the development of Zigbee routers. Optimized the definitions of some APIs. Added the flash lock and unlock feature. Removed the time service interface. The time service is implemented by the application component instead. Fixed the issue where the network joining might be stuck on the transport key. Fixed the issue where after a Zigbee Light Link (ZLL) target device joins a centralized network, it receives a leave command from a remote control but with a changed network key, which causes the centralized network not to receive the leave command. Fixed the issue with address conflicts that occurred when devices at scale are tested.
  Sub-Device Development: Zigbee Device Development Kit	EFR32MG21A020	3.5.0	Added support for the development of Zigbee routers and sleepy end devices. Added ZLL Identify callback. Added support for using two dongles during production testing. Fixed known issues.

Gateway Development Framework

• Gateway Development Framework applies to gateway products that support connectivity protocols including Zigbee, Bluetooth mesh, and Sub-GHz. The API offerings can enable cloud connectivity and sub-device management.

• Release notes

  Type development kit	Development platform	Version	Description
  Gateway Development: Gateway Device Development Kit	Ubuntu/SSD202	3.10.0	Supported Bluetooth mesh 1.1. Optimized the dynamic heartbeat of low power Zigbee sub-devices. Supported DP forwarding. Supported the status condition for linkage.
  Gateway Development: Matter Gateway Device Development Kit	SSD202	3.10.0	Updated to the official Matter SDK release 1.2.0.1. Supported bridging Thread sub-devices to Matter for easy sharing. Optimized radio co-processor (RCP) performance and stability, increasing the number of Zigbee sub-devices that can be paired in bulk under interference conditions.
  Gateway Development: Matter Bridge Development Kit	SSD202	3.10.0	Updated to the official Matter SDK release 1.2.0.1.
  Gateway Development: Matter Gateway Device Development Kit	SSD202	3.9.0	Added support for connecting third-party devices to Tuya-enabled Matter gateways. Updated the Matter framework to v1.1.0.1. Updated the radio co-processor (RCP) firmware and the Silicon Labs based SDK v4.2.3. Supported Matter gateway auto-discovery. Supported bridging Bluetooth devices.
  Gateway Development: Matter Gateway Device Development Kit	SSD202	3.8.0	Optimized control of sub-devices at scale with improved stability. Supported integration with third-party platforms, such as Apple and Google, with optimized speed. Improved the success rate of pairing Thread devices.
  Gateway Development: Matter Bridge Development Kit	SSD202	3.8.0	Updated the Matter SDK to v1.1.0.1.
  Gateway Development: Gateway Device Development Kit	RTL8197FS	3.7.0	Added Zigbee SoC sub-device categories, DP engine, bulk updates on sub-devices, and module detection interface. Optimized the stability in terms of Zigbee module, Bluetooth module, Bluetooth sub-device heartbeat check, and local and LAN linkage. Fixed known bugs.
  Gateway Development: Gateway Device Development Kit	x86_64	3.7.0	Added Zigbee SoC sub-device categories, DP engine, bulk updates on sub-devices, and module detection interface. Optimized the stability in terms of Zigbee module, Bluetooth module, Bluetooth sub-device heartbeat check, and local and LAN linkage. Fixed known bugs.
  Gateway Development: Gateway Device Development Kit	SSD202D	3.7.0	Added Zigbee SoC sub-device categories, DP engine, bulk updates on sub-devices, and module detection interface. Optimized the stability in terms of Zigbee module, Bluetooth module, Bluetooth sub-device heartbeat check, and local and LAN linkage. Fixed known bugs.
  Gateway Development: Matter Gateway Device Development Kit	SSD202D	3.7.0	Added support for Matter over Thread sub-devices. Add support for connecting a Zigbee sub-device to a Matter network through bridging.
  Gateway Development: Matter Bridge Device Development Kit	SSD202D	3.7.0	Add support for connecting a third-party device to a Matter network through bridging. Add support for connecting a Tuya-enabled Zigbee device to a Matter network through bridging.
  Gateway Development: Gateway Device Development Kit	SSD202D	3.6.0	Optimized LAN functionality. Fixed some bugs.
  Gateway Development: Gateway Device Development Kit	SSD202D	3.5.0	Added distributed Bluetooth linkage as well as commissioning without internet access. Gateway failover supported third-party sub-devices. Optimized the stability of pairing over a wireless connection. Fixed known bugs.
  Gateway Development: Gateway Device Development Kit	SSD202D	3.5.0	Added distributed Bluetooth linkage as well as commissioning without internet access. Gateway failover supported third-party sub-devices. Optimized the stability of pairing over a wireless connection. Fixed known bugs.
  Gateway Development: Gateway Device Development Kit	x86_64	3.5.0	Added distributed Bluetooth linkage as well as commissioning without internet access. Gateway failover supported third-party sub-devices. Optimized the stability of pairing over a wireless connection. Fixed known bugs.
  Gateway Development: Gateway Device Development Kit	RTL8197FS	3.3.12	Added sub-device failover. Added engineering mode. Added support for MCU integration. Added support for device control over Bluetooth without a gateway.

Central Control Development Framework

• Central Control Development Framework lets you easily develop touchscreen control panels that can run on Android or Linux and provide interactive control, hub capabilities, voice skills, and OTA updates.

• Release notes

  Type development kit	Development platform	Version	Description
  Gateway Development: Central Control Development Kit	Ubuntu/RK3308	3.10.7	Supported controlling the on/off, brightness, color temperature, and color of lights connected to the Tuya platform over Matter. Supported configuration of a quick toggle for devices lacking this feature in the app, allowing for easy on/off control access on the device list page. Supported control of devices and scenes associated with the central control, without connecting to a router.
  Gateway Development: Central Control Development Kit	RK3308	3.8.0	Updated the framework to central control OS 4.0. Enabled the interconnection of voice call across the central control, speaker, and mobile app. Added support for 21 types of light devices. Added support for hiding/showing devices and scenes on the screen.
  Gateway Development: Central Control Development Kit	RK3308	3.5.0	Added multimedia interconnection. Added control of infrared devices.
  Gateway Development: Central Control Development Kit	RK3308	3.6.0	Adapted to the product development framework, with support for the board support package (BSP). Fixed known bugs.

IPC Development Framework

• IPC Development Framework provides you with a bunch of essential features, including device control, OTA updates, audio and video service, and streaming service, to help you bring an IPC product to the market faster.

• Release notes

  Type development kit	Development platform	Version	Description
  IPC Development: IPC Device Development Kit	Ubuntu/RTS3903/ RTS3917/…	3.10.0	Supported two-way video calls and connections to cameras with screens. Supported IPv6. Added AI solutions, powering IPC features driven by cloud AI. Supported resumable transfers after network loss. Messages and images generated offline can be uploaded once the network is restored.
  IPC Development: IPC Device Development Kit	Ubuntu ANYKA3918ev330 FH8636	3.9.0	Updated local video storage. Supported 4G camera traffic management.
  IPC Development: IPC Device Development Kit	x86_64	3.8.0	Added security levels for streaming to accommodate various encryption requirements based on hardware and use cases. Supported dynamic loading of cloud AI algorithm repository on devices, enabling AI scheduling between the edge and cloud.
  IPC Development: IPC Device Development Kit	FH8636	3.7.0	Added the abstraction layer for audio and video.
  IPC Development: IPC Device Development Kit	IPC-AK3918EV330	3.7.0	Added support for playback at a fast speed. Added support for time-lapse recording.

Download development kits

Go to Resource Center in the Tuya Wind IDE and search for the required development framework. If a development framework is not generally available, you may request permission to download it. After your request is approved, the target development kit will be available to download.

For more information about Tuya Wind IDE, see Tuya Wind IDE.