Copilot Chat v0.42.2026032604: Session & Diagnostics
Copilot Chat v0.42.2026032604 adds workspace session commits, improves cross-file diagnostics, and ports PR detection to the session flow. Includes dependency security updates.
TL;DR
- Workspace sessions now support commit actions
- Cross-file diagnostics improved with nRecentFiles option
- PR detection ported to session open flow
- Dependency bumps and debug logging fixes
New
- Workspace session commits — Sessions can now trigger commit actions directly from the workspace context.
- Cross-file diagnostics tuning — Added nRecentFiles option to LintOptions for better multi-file analysis control.
- PR detection in sessions — Copilot CLI PR detection logic now integrated into session open flow.
Fixed
- XtabProvider debug log tree nesting — Corrected nested logging structure in debug output.
- Codebase indicator status — Fixed status display for external ingest cases.
- Image resizing from tool calls — Images now properly resize when returned from tool integrations.
- PR detection polling — Removed unnecessary polling for PR detection in sessions.
Improved
- Dependency updates — yaml bumped to 2.8.3, picomatch updated to 4.0.4 for security and stability.
- Code exclusion — Additional code directories now excluded early in indexing for faster performance.
- Workspace formatter — Default formatter configuration fixed for workspace consistency.
Update via VS Code extensions: search for "Copilot Chat" and install the latest version, or visit the release page.
Source: Copilot Chat
