Microsoft has rolled out a redesigned GitHub app for Teams that merges repository notifications with GitHub Copilot, letting developers investigate bugs and draft code fixes without switching applications. The company will retire the previous GitHub integration on November 16, 2026, making the new app mandatory going forward.
How the combined app works
The updated GitHub app delivers issue notifications straight into Teams channels, where developers can mention GitHub Copilot to look into reported problems. From that same conversation, Copilot can draft a fix and prepare a pull request, eliminating the back-and-forth between a chat window and a separate development environment. Developers still review and test any proposed code before approving a merge into their repository, so the human remains the final checkpoint in the workflow.
Timeline for the transition
The redesigned app is already available to Teams users, while Microsoft has set a firm retirement date for the legacy GitHub integration: November 16, 2026. Organizations relying on the older setup will need to migrate to the new app before that date to keep receiving repository notifications inside Teams.
Part of a broader Teams overhaul
This integration arrives alongside a wider set of changes Microsoft is preparing for Teams. The company has outlined simplified Copilot meeting controls and default meeting templates expected by November 2026, along with AI-based detection of phishing and impersonation attempts inside the app. Microsoft has also described an "efficiency mode" intended to make Teams run about 20% faster, though specific benchmarks or testing conditions for that figure have not been detailed publicly. Separately, Microsoft confirmed it will remove Copilot Studio from Teams in 2027, signaling a consolidation of how AI-building tools are offered across its collaboration platform.
Practical implications for development teams
For engineering teams already using GitHub and Teams together, the change reduces context-switching during incident response and code review. It also centralizes notification and remediation steps in one interface, which can simplify onboarding for new developers. Teams still relying on the old integration should plan their migration well ahead of the November 2026 deadline to avoid any disruption to notification workflows or Copilot access within their existing channels.