OpenTok Platform Release Notes
v2026.8.0 — August 2026
August 5, 2026
React Native SDK update (Standard environment)
Updates for React Native SDK (version 2.34.0).
See the release notes
v2026.7.0 — July 2026
July 21, 2026
Platform updates
Updates to Post-Call Transcription
Post-Call Transcriptions are now available for all customers. Use Post-Call Transcriptions to obtain session transcriptions delivered by Vonage AI from an archive transcription.
A new option is available to download transcriptions from the Video API Dashboard.
July 20, 2026
OpenTok.js (Enterprise environment)
OpenTok.js 2.34 is now available in the Enterprise environment (in addition to the Standard environment). See the release notes and the enterprise environment information.
July 14, 2026
Developer Tools update
New features in Playground
Playground now includes:
- Support for setting Preferred Framerate for Publisher
- Support for setting Preferred Resolution for Publisher
Platform Updates
Updates to Media Connection
In some cases, audio and video round-trip time (RTT) values may increase continuously to unrealistic levels during a session. This has been observed in specific sequences of publishing and subscribing activity and is currently under investigation.
July 13, 2026
Developer Tools update
Updates for Precall Tool
- Improved error handling when access to the camera and microphone is not granted.
- Test results are now preserved and displayed even if the test is stopped early or camera or microphone access is revoked during the test.
- Device information now updates correctly if camera or microphone access changes during a test.
- Updated to use the latest version of Network test js library
July 2, 2026
Client SDK (Standard environment)
See the release notes:
v2026.6.0 — June 2026
June 19, 2026
React Native SDK update (Standard environment)
Updates for React Native SDK (version 2.33.2).
See the release notes
June 11, 2026
Updates for Vonage Video Transport for Pipecat (version 1.3.0.post1).
The Vonage Video Transport for Pipecat is now based on the official Pipecat v1.3.0 release.
See the Vonage Video Transport for Pipecat documentation for details.
June 10, 2026
Updates for Video API client SDKs for OpenTok.js (version 2.34.2, Standard environment).
See the release notes:
June 2, 2026
Updates for Vonage Video Connector Server SDK (version 1.0.2).
Bug fixes:
- Improved stability. Previous known issues that could occur with a large number of participants or at high API call frequency have been resolved.
See the Video Connector documentation for details.
June 1, 2026
Platform updates
Updates for Audio Connector
- Added support for base64 audio encoding (see Audio Connector).
v2026.5.0 — May 2026
May 28, 2026
React Native SDK update (Standard environment)
Updates for React Native SDK (version 2.33.1).
See the release notes
Updates for Media Connection
Video Forward Error Correction (FEC) has been enabled between our Media Router and all the other services, such as Media Archiver and Media Broadcast, to enhance media stream reliability, especially in the case of inter-service network variability. Additionally, FEC is now available for all the subscribe streams, including from our Media Router to subscribing endpoints.
Resolved an issue with Single Peer Connection, where bandwidth was being allocated to muted streams.
May 20, 2026
Video Connector Server SDK updates
Updates for Vonage Video Connector Server SDK (version 1.0.1).
Improvements:
- Enabled traceability of Video Connector sessions in Video Inspector & Advanced Insights.
- Corrected log levels to reduce verbosity.
Bug fixes:
- Fixed an issue where the application could become unresponsive during shutdown when a large number of streams were simultaneously being unpublished, unsubscribed, and disconnected within the same session.
See the Video Connector documentation for details.
May 19, 2026
Platform and Client SDK updates
China relay. The China Relay service is deprecated and will no longer be available.
Updates for Video API client SDKs for OpenTok.js (version 2.34.1, Standard environment). See the release notes:
May 13, 2026
React Native SDK update (Standard environment)
Updates for React Native SDK (version 2.33.0).
See the release notes
May 12, 2026
Video Express update
Update for Vonage Video Express (version 1.10.3) See the release notes.
Note that Vonage Video Express has now been deprecated. We recommend transitioning to the Video API Reference App.
May 6, 2026
Client SDK (Standard environment)
Updates for Video API client SDKs for OpenTok.js, Android, iOS, Windows, and Linux (version 2.34.0, Standard environment). See the release notes:
- OpenTok Android SDK release notes
- OpenTok iOS SDK release notes
- OpenTok.js release notes.
- OpenTok Linux SDK release notes
- OpenTok Windows SDK release notes
May 4, 2026
Vonage Video Connector SDK GA release
Vonage Video Connector SDK is now generally available. The library enables server-side participation in Vonage Video API sessions with full audio and video support. See the Vonage Video Connector SDK documentation.
Vonage Video Connector Transport for Pipecat is now generally available. Build AI-powered voice and multimodal applications using the Vonage Video Connector transport for Pipecat. See the Pipecat integration documentation.
v2026.4.0 — April 2026
April 23, 2026
Developer Tools update
New features in Playground
Playground now includes:
- Support for selecting a preferred video codec during publisher initialization.
- Enabling publisher sender side statistics, allowing optional access to sender-side performance metrics.
April 13, 2026
OpenTok.js (Enterprise environment)
OpenTok.js 2.33 is now available in the Enterprise environment (in addition to the Standard environment). See the release notes and the enterprise environment information.