Developer Changelog

Add chat message media data support for meetings and webinars, meeting-type scoping for auto-start, and an Always allow in my meetings option for host approval.

Starting on November 15, 2026, RTMS will require TLS version 1.2 or 1.3 on all connections.

Add REST API support for starting RTMS for meeting participants, add chat message media data support with 5 new event types for meetings and webinars, updates to protocol definitions including new and updated enums, improve PSTN user identification for simultaneous participants.

Added a new API to update sharing settings for a clip.

Added a new API to duplicate clips and enhanced clip updates with support for specifying a thumbnail file ID.

Added APIs to create and retrieve chapters for Clips.

Add fields to existing rtms_started webhook events, add parameter to the signaling handshake request, updates to the audio, video, and screen share events, and add new ZCC-Voice event type.

Adds a new `PATCH /v2/clips/{clipId} `API to update clips and introduces a tags response field across list and single Clips endpoints.

New RTMS SDK version.

Added new Clip webhook events to notify subscribers when a clip begins and when it finishes. Also introduced a new endpoint to download clip files.

Introduced a new endpoint to download clip files.

Add RTMS integration with Zoom Contact Center, a reorganized audio parameters matrix, single individual video stream subscription, stream closure requests, and media-socket timeout extension.

RTMS is now available for use with Zoom Contact Center.

Added new webhooks for use with Zoom Contact Center.

Added a new enable_lid parameter for transcripts. Changed the internal service for transcription.

RTMS apps can now be used in webinars. The infrastructure developed for RTMS meetings can be easily repurposed to support RTMS in webinars.

RTMS SDK v1.0.0 is now available.

The Update participant Real-Time Media Streams (RTMS) app status API has been updated.

Introduces new APIs to list account-level clips and download individual clips. Adds a next_page_token request field to the Clips list API to support pagination.

Added new session.rtms_interrupted, session.rtms_started, and session.rtms_stopped webhook events for use with Video SDK.