GitHub Copilot in Slack and Teams now reads shared files and keeps your chosen model for the whole thread
GitHub shipped four Copilot changes on September 25, 2026. The largest update is to Copilot in Slack and Microsoft Teams, which now uses shared files and forwarded messages as context. Agentic autofix now learns from Copilot Memory, and administrators get review-time metrics and a settings validator.
GitHub Changelogverified



