liveblocks

v3.19.2 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 14d Developer Productivity

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

ai-agents ai-copilot collaboration commenting-system comments crdt

+10 more

liveblocks multiplayer notifications-systems presence react real-time toolkit websockets yjs yjs-provider

Summary

AI summary

Fixed disconnections for clients with backgroundKeepAliveTimeout before pending Yjs updates sync.

Type	Severity	Summary	CVE
Bugfix	Medium	Clients with backgroundKeepAliveTimeout enabled no longer disconnect before pending Yjs updates sync. Clients with backgroundKeepAliveTimeout enabled no longer disconnect before pending Yjs updates sync. Source: granite4.1:8b-q6_K@2026-05-20 Confidence: high	—

Full changelog

Fix: clients that have backgroundKeepAliveTimeout enabled will no longer disconnect before any pending Yjs updates have been synced to the server.

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About liveblocks

Realtime infrastructure for multiplayer apps and agents