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Join Tencent RTC at NAB Show 2024 in Las Vegas!
Learn more 
Only  $9.9! Get 50,000 minutes with our Starter Plan, perfect for your MVP project.
Only $9.9! Get 50,000 minutes with our Starter Plan, perfect for your MVP project.
Grab It Now 
RTC Engine
Overview
  • Web
    • Demo Quick Run
    • SDK Quick Start
    • Basic Features
      • Screen Sharing
      • Live Streaming
      • Media Device
      • Audio Volume
      • Set Encoding Profile
      • Detect Network Quality
      • Detect Capabilities
    • Advance Features
      • Enable AI Denoiser
      • Enable Audio Mixer
      • Enable Watermark
      • SEI Message
      • Custom Capturing and Rendering
      • Web Beautification Effects
    • Best Practices
      • Optimize Multi-Person Video Calls
      • Handle Autoplay Restriction
      • Handle Firewall Restriction
    • API List
    • Released Notes
    • Supported Platforms
    • Web FAQs
  • Android
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Setting Video Quality
      • 10.Rotating Videos
    • Testing Newwork Quality
    • Custom Capturing and Rendering
    • Custom Audio Capturing and Playback
    • Client APIs
      • Overview
      • TRTCCloud
      • TRTCStatistics
      • TRTCCloudListener
      • TXAudioEffectManager
      • TXBeautyManager
      • TXDeviceManager
      • Type Definition
      • Deprecated Interface
      • Error Codes
    • Release Notes
  • iOS
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Setting Video Quality
      • 10.Rotating Videos
    • Testing Network Quality
    • Custom Capturing and Rendering
    • Custom Audio Capturing and Playback
    • Client APIs
      • Overview
      • TRTCCloud
      • TRTCCloudDelegate
      • TRTCStatistics
      • TXAudioEffectManager
      • TXBeautyManager
      • TXDeviceManager
      • Type Definition
      • Deprecated Interface
      • ErrorCode
    • Release Notes
  • macOS
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Sharing Computer Audio
      • 10.Setting Video Quality
      • 11.Rotating Videos
    • Testing Hardware Devices
    • Testing Network Quality
    • Custom Capturing and Rendering
    • Custom Audio Capturing and Playback
    • Client APIs
      • Overview
      • TRTCCloud
      • TRTCCloudDelegate
      • TRTCStatistics
      • TXAudioEffectManager
      • TXBeautyManager
      • TXDeviceManager
      • Type Definition
      • Deprecated Interface
      • ErrorCode
      • Release Notes
    • Release Notes
  • Windows C++
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Setting Video Quality
      • 10.Rotating Videos
    • Testing Hardware Devices
    • Testing Network Quality
    • Custom Capturing and Rendering
    • Custom Audio Capturing and Playback
    • Client APIs
      • Overview
      • ITRTCCloud
      • ITRTCStatistics
      • TRTCCloudCallback
      • ITXAudioEffectManager
      • ITXDeviceManager
      • Type Definition
      • Deprecated Interface
      • Error Codes
    • Release Notes
  • Electron
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Sharing Computer Audio
      • 10.Setting Video Quality
      • 11.Rotating Videos
    • Client APIs
      • Overview
      • Error Codes
  • Flutter
    • Integration
      • 1.API Examples
      • 2.Importing the SDK
      • 3.Entering a Room
      • 4.Subscribing to Audio/Video Streams
      • 5.Publish Audio/Video Streams
      • 6.Exiting a Room
      • 7.Sensing Network Quality
      • 8.Enabling Screen Sharing
      • 9.Sharing Computer Audio
      • 10.Setting Video Quality
      • 11.Rotating Videos
    • Client APIs
      • Overview
      • Error Codes
  • Unity
    • Integration
      • 1.API Examples
      • 2Importing the SDK
    • Client APIs
      • Overview
      • Error Codes
  • Qt
    • Integration
      • 1.Importing the SDK
  • Overview
    • Overview
  • Pricing
    • RTC-Engine Packages
    • Billing of On-Cloud Recording
    • Billing of MixTranscoding and Relay to CDN
    • Billing Explanation for Subscription Package Duration
    • Billing of Monitoring Dashboard
    • Free Minutes
    • Pay-As-You-Go
  • Concepts
  • Features
  • Performance Statistics
  • FAQs
    • FAQs for Beginners
    • Migration Guide
      • Twilio Video to Tencent RTC
      • Billing
      • Features
      • UserSig
      • Firewall Restrictions
      • How to Downsize Installation Package
      • TRTCCalling for Web
      • Audio and Video Quality
      • Others
RTC Engine

Release Notes

This page includes the version history of TRTC SDK and All-In-One SDK. Please choose the ideal SDK according to your function needs.

TRTC SDK 11.7 Released on Mar 4, 2024

New features

Full platform: Add new Warning codes for camera capture.
Full platform: Adjust the gravity sensing API, see setGravitySensorAdaptiveMode .
Full platform: Support callback for local voice volume information, see enableAudioVolumeEvaluation.

Improvements

Full platform: Optimize room entry process to significantly reduce the time taken for secondary room entry.
Full platform: Dashboard monitors the maximum number of end-to-end call quality for a single user, increasing from 16 to 50 channels.
Android: Optimize the parameters and calling order of the system capture audio API to reduce the probability of capturing only noise and improve the sound capture effect.
iOS: Optimize the capture restart logic after system interruption to reduce the probability of capturing silence.
iOS: Optimize Unity 3D engine compatibility issues.
iOS: Improve the focusing effect of rear triple and dual camera capture, increasing the focusing speed.

Bug fixing

Android: Fix some echo leakage cases.
Android: Fix some Bluetooth interruptions causing external playback issues.

Interface behavior adjustment

Full platform: When the API switchRole is frequently called, only the last call result is returned in onSwitchRole.
Full platform: Add camera capture warning codes.
Warning Code
Description
WARNING_CAMERA_IS_OCCUPIED = 1114
The camera is occupied by other process
WARNING_CAMERA_DEVICE_ERROR = 1115
The camera device is error
WARNING_CAMERA_DISCONNECTED = 1116
The camera is disconnected
WARNING_CAMERA_START_FAILED = 1117
The camera is started failed
WARNING_CAMERA_SERVER_DIED = 1118
The camera sever is died
Full platform: Adjust the default frame rate for the setVideoMuteImage interface from 0fps to 5fps, and limit the maximum frame rate to 10fps.
iOS: Change the behavior of the API setSubStreamEncoderParam from setting screen sharing encoding parameters to setting auxiliary stream encoding parameters.
Windows: Change the default highlight color (highLightColor) in the selectScreenCaptureTarget from green to yellow.
Full platform: Adjust the gravity sensing API:
New API
(void)setGravitySensorAdaptiveMode:(TRTCGravitySensorAdaptiveMode)mode;
See Doc
Deprecated API
setVideoEncoderRotation
Deprecated
setVideoEncoderMirror
Deprecated
setGSensorMode
Deprecated

TRTC SDK 11.6 Released on Jan 15, 2024

New features

iOS:Added Picture-in-Picture support for `TXLivePlayer`.
Windows: Added support for capturing audio from specific application. For more details, see startSystemAudioLoopback.

Improvements

Android & iOS: Optimized the success rate of playing BGM with URL.
Windows: Optimized and adapted to Intel HEVC software decoder (Quick Sync Video).
All platforms: Optimized poor network performance of audio in low-bandwidth conditions.
All platforms: Optimized poor network performance of video in low-bandwidth conditions.
All platforms: Optimized poor network audio quality under high packet loss and high latency conditions.
All platforms: Optimized SDK overall stability.

Bug fixing

Android: Fixed occasional slow decoding of the first frame when `switchRoom` is called frequently..
Android: Fixed occasional incorrect screen scaling when trying to `startScreenCapture` again in a single session.Windows: Fixed the issue that some virtual cameras fail to capture when setting vertical resolution.


TRTC SDK 11.5 Released on Nov 27, 2023

Improvements

All platforms: Optimized the performance and stability of the video engine.
All platforms: Optimized the stability of the audio engine.
All platforms: Optimized the behavior strategy of some APIs, see the adjustment of interface behavior for details.
All platforms: Optimized the strategy and performance of the background music module (BGM module), reducing the occurrence of BGM playback exceptions.
Windows: Optimized HEVC hardware decoding compatibility with AMD and Nvidia graphics cards.
Windows: Optimized the overall performance of screen sharing, improved screen capture frame rate and stability.
Android: Optimized the playback effect of TRTC with VODPlayer.
iOS & Mac: Optimized the performance of pre-processing and rendering using Metal.

Adjustment of Interface Behavior

All platforms: When the video resolution is set to vertical 540P (expecting 540x960), the specific resolution for processing is adjusted from 544x960 to 536x960.
All platforms: The callback interval of BGM progress callback `onPlayProgress` is adjusted from 200ms to 300ms.
All platforms: The internal implementation of the BGM module is adjusted to a singleton, and the musicID needs to be globally unique in multiple instances. When developers use sub-instances to play BGM, please make sure that different instances use different musicIDs.
All platforms: Local recording event status codes are adjusted to be returned asynchronously. The default return is 0 after the related interface is called, and the specific status code is obtained through the corresponding event callback.
All platforms: Adjust the following status codes for the `onLocalRecordBegin` callback for starting recording events.
Event
Status code before v11.5
Status code in v11.5
Recording has started, stop previous recording first
-1
-6
Directory has no write permission, please check directory permissions
-2
-8
Incorrect file extension (e.g. unsupported recording format)
-3
-2
iOS & Android: Optimized the continuity of mobile screen sharing, retaining the last frame sent during sharing pause, with a frame rate of 1-2 fps.
iOS & Android: Adjusted the response behavior of gravity sensor, only responding to gravity sensor on or off.

TRTC SDK 11.4 Released on Sep 14, 2023

New features

All platforms: `TRTCLocalRecordingParams` adds a new parameter `max_duration_per_file` to control the duration of segmented recording. The path of the segmented file can be obtained through the `onLocalRecordFragment` callback.
Android & iOS: V2TXLivePusher adds a rendering mode setting API `setRenderFillMode` for local preview streaming.
Mac: Added `enableCrashMonitoring` to support capturing crash information and storing it locally. You need to add `TXCCrashMonitor.framework` to your project when using this feature.

Improvements

Cross-platform: Optimized performance in IPv6 network environments.
Cross-platform: Optimized lyric alignment in the online singing scenario.
Cross-platform: Optimized AI noise suppression algorithm for better experience.
Cross-platform: Optimized the smoothness of pure audio playback.
 Cross-platform: Optimized the speed of `switchRoom`.
Android & iOS: Optimized and improve the live streaming playback startup speed.
Android & iOS: Optimized audio capture processing strategies to reduce the probability of no audio issue caused by abnormal capture devices.
Android: Optimized callback notifications when the microphone is muted by the system.
Android: Optimized the adaptation of gravity sensor for specific customized Android devices that were providing incorrect screen rotation angles.
Android: Optimized the rendering process to support closely following pinch-to-zoom, which means the view undergoes simultaneous scales and moves, closely following the movements of the fingers during pinch-to-zoom. Improving the user experience during floating window playback.
iOS: Optimized the audio capture strategy when app in the background state to reduce the probability of no audio issue caused by system interruption.
iOS: Optimized the speed of audio device restarts.

TRTC SDK 11.3 Released on July 7, 2023

New features

All Platforms: Added trapezoid correction for video (only supported by the Professional version) for manual correction of perspective distortion. See `setPerspectiveCorrectionPoints` for details.
All Platforms: Added audio spectrum callback, which can be used for sound wave animation or volume spectrum display. See `enableAudioVolumeEvaluation` and `TRTCVolumeInfo` for details.
All Platforms: Added a new reverb effect "Studio 2". See `TXVoiceReverbType` for details.
All Platforms: Added SEI parameter settings for mixed stream, used for transport SEI infomation when publishing stream to CDN. See `TRTCTranscodingConfig` for details.
Windows: Added real-time music scoring for Yinsuda Authorized Music, which can be used for real-time scoring of online singing. See `createSongScore` for details.
iOS & Android: Added support for .ogg format music files in `startPlayMusic`.
Flutter: Added `setSystemAudioLoopbackVolume`(iOS).

Improvements

All platforms: Optimized adaptive digital gain algorithm to improve listening experience.
All platforms: Optimized the loading speed of the first video frame after entering the room.
All platforms: Optimized weak network resistance for single user streaming to improve smoothness under network delay and jitter.
Android: Optimized audio capture and playback feature to avoid abnormal sound issues on some Android devices.
Android: Optimized video sub-stream hardware encoding performance, improving quality of screen sharing.
iOS: Optimized audio device restart strategy to reduce the occurrence of sound interruptions.
iOS & Android: Removed on-demand related interfaces from `TXLivePlayer`. For on-demand video playback, please use `TXVodPlayer`.

Bug fixing

Android: Fixed the issue where some locally recorded videos on Android 12 and above system versions cannot be played on Apple's Safari.

TRTC SDK 11.2 Released on June 5, 2023

TRTC

New features

Cross-platform: Supports seamless switching between instrumentals and original vocals of BGM in duet scenes. See `setMusicTrack` for details.
Android: To be compatible with the foreground service launch restrictions on Android 12 and above, a foreground service is initiated during screen capture. See `enableForegroundService` for details.
iOS: Supports use in the Xcode simulator running on Apple chip hardware.
Mac: `TRTCScreenSourceInfo` adds property value width and height.

Improvements

Cross-platform: Optimized sound quality in duet scenes, and reduced end-to-end latency.
Cross-platform: Optimized performance when turning on/off microphone, providing a smoother experience.
Cross-platform: Optimized audio experience under extremely bad networks.
Cross-platform: Optimized weak network experience when broadcast live stream only.
Cross-platform: Optimized the smoothness of switching high-quality and low-quality remote video streams.
Android & iOS: Optimized audio quality in music scenes.
Android & iOS: Optimized the experience with Bluetooth headphones.
Android: Optimized hardware decoder latency, improving the speed of rendering the first video image.
Android: Optimized the in-ear monitoring feature, enhancing the experience when switching on/off in-ear monitoring.
Android: Optimized the audio devices capture compatibility.
iOS: Optimized quality of video, enhancing image clarity.

Bug fixing

Windows: Fixed the occasional screen flickering issue during window sharing.
Mac: Fixed the occasional periodic blurring when using camera with Intel chip hardware encoder.

TRTC SDK 10.8 Released on October 27, 2022

TRTC

New features

All platforms: Added the DJ scratch effect and improved the karaoke experience. For details, see TXAudioEffectManager.setMusicScratchSpeedRate.

Improvements

Android: Sped up video decoding, which reduces the time to first frame to as short as 50 ms. All platforms: Improved the accuracy of NTP time. For details, see TXLiveBase.updateNetworkTime.

Bug fixing

All platforms: Fixed the occasional issue where, when the streams of a room are mixed and pushed to another TRTC room that does not have upstream audio or video, playback fails and callbacks stop working.
All platforms: Fixed the occasional issue where, after an audience member changes their role upon room entry, they fail to publish audio and video due to network type change.
All platforms: Fixed the issue where, after a disconnection, audio quality cannot be changed during reconnection.
All platforms: Fixed the issue where, after a disconnection, there is sometimes no audio in the published stream during reconnection.
Android & iOS: Fixed the issue where muteRemoteVideoStream removes the last video frame.

TRTC SDK 10.7 Released on September 20, 2022

TRTC

New features

All platforms: You can now independently adjust the audio volume of each stream in On-Cloud MixTranscoding. For details, see TRTCMixUser.soundLevel.
All platforms: Added the onRemoteAudioStatusUpdated API, which is used to monitor the audio status of remote streams.

Improvements

All platforms: Upgraded the encoding engine, improving the video quality of screen sharing streams.
All platforms: Improved rate control for encoding under poor network conditions.

Bug fixing

iOS: Fixed the issue of low capturing volume on some iPad devices.
Android: Fixed the occasional issue where Bluetooth earphones are connected, but audio is played from the device’s speaker.
All platforms: Fixed the issue where the SDK occasionally crashes if a user enters and leaves the room repeatedly.

TRTC SDK 10.6 Released on September 9, 2022

TRTC

Improvements

All platforms: Sped up room entry in IPv6 networks.
All platforms: Improved the audio recovery performance and audio-to-video synchronization under bad network conditions, enhancing user experience.
All platforms: Improved the ability to maintain connection under poor network conditions, reducing disconnections.
All platforms: Fixed the issue where the volume is low in the music mode (which is specified when startLocalAudio is called).
macOS: Improved call experiences when Bluetooth earphones are used, reducing noise and delivering clearer audio.
Android: Supported stereo audio capturing for more devices.
Android: Fixed occasional echoes, improving call experience.

Bug fixing

Android & iOS: Fixed the issue of audio loss in the speech mode (which is specified when startLocalAudio is called).
macOS: Fixed the issue where echo cancellation occasionally fails to work after the mic is changed.

All-in-One SDK 10.5 Released on August 24, 2022

MLVB

Improvements

Android: Optimized memory management for video decoding, preventing the accumulation of memory leaks.
Windows: Optimized noise suppression for the built-in mic, especially in the music mode.
macOS: Fixed the frequent noise issue when the mic is turned on.

Bug fixing

All platforms: Fixed the issue where, in the LEB scenario with V2TXLivePlayer, SEI messages are sometimes not received.
All platforms: Fixed the issue where, in the LEB scenario with V2TXLivePlayer, audio is missing because the timestamp moves backward.

UGSV

Bug fixing

Android: Fixed the green screen issue in videos made from pictures on HarmonyOS.
Android: Fixed the issue of incorrect length for edited videos.
Android: Fixed failure to play or re-encode videos with multiple audio tracks.
Android: Fixed the issue where the “rock light” effect is applied only once during the selected time period.
Android & iOS: Fixed the issue where, after a video segment is deleted during shooting, the playback progress of the background music does not match.

TRTC

Improvements

All platforms: Optimized the QoS control policy, enhancing user experience under poor network conditions.
iOS & Android: Reduced end-to-end latency and improved in-ear monitoring experience.
Android: Optimized memory management for video decoding, preventing the accumulation of memory leaks.
Windows: Optimized noise suppression for the built-in mic, especially in the music mode.
macOS: Fixed the frequent noise issue when the mic is turned on.

Bug fixing

All platforms: Fixed occasional errors for the OnUserVideoAvailable and OnUserAudioAvailable callbacks when a user enters and leaves different rooms consecutively.

Player

Bug fixing

Android & iOS: Fixed failure to play URLs that do not include video formats at the end.

All-in-One SDK 10.4 Released on July 25, 2022

MLVB

New features

iOS & Android: V2TXLivePlayer can now freeze the last frame after playback ends.

Improvements

All platforms: Fixed the issue of high memory usage when TXLivePlayer\V2TXLivePlayer plays FLV streams.
Android: Fixed occasional playback stutter with TXLivePlayer\V2TXLivePlayer.
Android: Improved the compatibility of low-latency in-ear monitoring and dual-channel capturing.
Android: Optimized the policy for switching from hardware to software decoding.
iOS: Fixed the issue of low capturing volume on iPad.

Bug fixing

Android: Fixed the issue where TXLivePlayer\V2TXLivePlayer occasionally switches to software decoding when playing streams.

UGSV

Improvements

Android: Added the setBGMLoop API for video editing.

Bug fixing

Android: Fixed the issue of setWaterMark not working.
Android: Fixed the issue where, when videos are previewed, TXVideoEditor fails to use the specified rendering mode.

TRTC

New features

iOS & Android: Added support for the RGBA32 format for custom capturing. For details, see sendCustomVideoData.
Windows & macOS: Added support for watermark preview after configuration. For details, see setWaterMark.

Improvements

Android: Improved the compatibility of low-latency in-ear monitoring and dual-channel capturing.
Android: Optimized the policy for switching from hardware to software decoding.
iOS: Fixed the issue of low capturing volume on iPad.

Bug fixing

All platforms: Fixed occasional room entry/exit callback errors.
Windows: Fixed the issue where, after the window shared changes, the new window is not displayed in full.

Player

Improvements

Android & iOS: Added support for adaptive bitrate HLS playback.

Bug fixing

Android: Fixed abnormal intervals for the onNetStatus callback and the progress callback.
Android: Fixed the null pointer exception caused by failure to call setConfig.
iOS: Fixed the stuttering issue when videos are replayed in some scenarios.



All-in-One SDK 10.3 Released on July 8, 2022

MLVB

New features: All platforms: TXLivePlayer\V2TXLivePlayer added support for HLS playback.
Improvement:
All platforms: Improved audio quality in the music mode.
All platforms: Optimized the SEI parsing logic. TXLivePlayer\V2TXLivePlayer can parse some non-standard SEI messages now.
All platforms: Fixed the issue of audio and video being out of sync as a result of the timestamp moving backward when TXLivePlayer\V2TXLivePlayer plays FLV or RTMP streams.
Bug fixing:
All platforms: Fixed the abnormal audio that occurs when TXLivePlayer\V2TXLivePlayer plays some AAC-HEv2 streams in the LEB scenario.
All platforms: Fixed incorrect cache calculation with TXLivePlayer.

UGSV

Bug fixing:
Android: Fixed the issue of setZoom not working during video shooting.
Android: Fixed failure to shoot videos with Samsung Galaxy S22.
iOS: Fixed failure to trigger the callback for custom video pre-processing.

TRTC

New features:
Windows: Added support for recording live streaming sessions and audio/video calls to local storage. For details, see the description of ITXLiteAVLocalRecord.
Windows & macOS: Added a parameter to startMicDeviceTest, which allows you to specify whether to play the audio captured during mic testing. For details, see the description of startMicDeviceTest.
Improvement: All platforms: Improved audio quality in the music mode.
Bug fixing:
All platforms: Fixed occasional errors for the user list callback.
Windows: Fixed the issue where videos sometimes freeze during playback.
Windows: Fixed occasional video playback failure.
Windows: Fixed the echo issue for custom audio capturing.

Player

New features: iOS: Added support for picture-in-picture playback.
Bug fixing:
Android: Fixed the issue where, when hardware decoding is used and a video playlist is played in the background, the player fails to automatically play the next video when one video is finished.
Android & iOS: Fixed failure to trigger the callback when seeking is completed.



All-in-One SDK 10.2 Released on June 26, 2022

MLVB

New features:
All platforms: Added support for license authentication for playback with TXLivePlayer\V2TXLivePlayer.
All platforms: Added support for HTTP header configuration for FLV playback with V2TXLivePlayer.
All platforms: Allowed changing audio encoding parameters dynamically when pushing RTMP streams with TXLivePusher\V2TXLivePusher.
Improvement:
All platforms: Optimized the adaptive bitrate API of V2TXLivePlayer for LEB.
All platforms: Fixed the issue where V2TXLivePlayer takes a long time to reconnect in the LEB scenario.
All platforms: Fixed the issue of small local cache size when TXLivePlayer\V2TXLivePlayer plays FLV or RTMP streams.
Android: Sped up the loading of the first frame for playback with TXLivePlayer\V2TXLivePlayer.
iOS: Reduced the size of the iOS SDK package.
iOS: Packaged TXLiveBase.h into the MLVB SDK.
Bug fixing:
All platforms: Fixed the issue where the stutter rate limit configured for TXLivePlayer does not take effect.
All platforms: Fixed abnormal timing of the callback for the first audio/video frame when V2TXLivePusher pushes RTC streams.
Android: Fixed the black screen issue that occurs when TXLivePlayer\V2TXLivePlayer stops and starts playback within a short period of time.

UGSV

New features:
Android: Added support for editing videos without audio tracks.
Improvement:
Android: Sped up the loading of the first frame for short video playback.
Bug fixing:
Android: Fixed the issue where the wrong section of video is cropped during video shooting.
Android: Fixed incorrect aspect ratio for H.265 videos decoded with hardware.
iOS: Fixed the issue of incorrect video clipping time.
iOS: Fixed occasional noise that occurs in videos shot with devices with OS later than iOS 14.
iOS: Fixed the issue where the SDK occasionally crashes when the user returns to the shooting view after finishing video shooting.

TRTC

New features:
All platforms: Launched a new API for stream mixing and relaying, which offers more powerful features and greater flexibility. For details, see the description of startPublishMediaStream.
All platforms: Added support for 3D spatial audio. For details, see the description of enable3DSpatialAudioEffect.
All platforms: Added support for voice activity detection. This feature works even when local audio is muted (muteLoalAudio) or the capturing volume is set to zero (setAudioCaptureVolume). It allows you to remind users when they are talking but have not turned their mics on. For details, see the description of enableAudioVolumeEvaluation.
All platforms: Added support for checking a user’s permission when they switch roles. For details, see the description of switchRole(TRTCRoleType role, const char* privateMapKey).
iOS & macOS: The C++ API for custom pre-processing supported using textures for video processing.
Improvement:
Android: Optimized in-ear monitoring, reducing latency.
Android: Optimized audio capturing, fixing the issue of noise on some devices.
iOS: Optimized the processing of upstream video data, reducing CPU and GPU usage.
Windows & macOS: Improved encoding for screen sharing. The height and width of the output video are no longer limited by the window size.
Windows: Reduced memory fragmentation and performance overhead.
Bug fixing:
All platforms: Fixed the issue where push occasionally fails after changing to a different type of network.
iOS: Fixed the issue of noise in recording files saved locally on some devices with iOS 14.

Player

Improvement: Android & iOS: Optimized the callback of information including cached bytes and IP address during playback.
Bug fixing:
Android & iOS: Fixed failure to play H.265 videos when hardware decoding is used.
Android & iOS: Fixed HLS playback errors.
iOS: Fixed failure to get supportedBitrates in some scenarios.