Copilot Chat v0.42.0: Release Notes
Copilot Chat v0.42.0 is out. Check GitHub for the full changelog and what's included in this release.
changelog
Product changelogs and update logs
Copilot Chat v0.42.2026033103: Folder Session Fixes
Copilot Chat v0.42 fixes folder session staging behavior and adds HiddenFamilyH prompting support. Mostly maintenance work.
Copilot CLI v1.0.14: BYOM Fixes & Performance
Copilot CLI 1.0.14 fixes BYOM image handling, reasoning effort, and config-dir bugs. Startup time cut via V8 caching and parallel init. 20+ fixes total.
Copilot Chat v0.43.2026033101: WebSocket & Telemetry
Copilot Chat v0.43 isolates conversations with dedicated WebSockets, adds workspace metadata to telemetry, and fixes chat cleanup issues. Claude co-attribution in commits is now disabled.
Claude Code 2.1.88: Flicker-Free Rendering, Cache Fixes
2.1.88 brings flicker-free rendering, fixes critical cache bugs causing 50% workflow failures, and resolves memory leaks and crashes in long sessions.
Copilot CLI v1.0.13: Performance & MCP Fixes
Copilot CLI 1.0.13 brings faster startup with V8 compile cache, MCP server reliability fixes, and conversation history rollback. Plus Windows clipboard fixes and reduced CPU usage during streaming.
Claude Code 2.1.87: Cowork Dispatch Fix
Cowork Dispatch message delivery is fixed in 2.1.87. If you've hit delivery issues in collaborative sessions, upgrade now.