GitHub Copilot: Grok 4.5 is now available in GitHub CopilotReleased Jul 28, 2026 · GitHub / MicrosoftModels:Adds Grok 4.5What the release notes sayGrok 4.5 is now available in GitHub CopilotSource: github.blog ↗ Olderapp usage metrics now expand across report rollupsNewer Copilot code review: Agent skills and MCP now generally availableEvery GitHub Copilot release →