GitHub removed Gemini 3.7 Flash, four GPT-5-series options and Grok 4.5 from most Copilot experiences on October 19. GitHub lists replacements, but administrators still need to enable them and teams ...
GitHub has made Claude Haiku 5.5 generally available across paid Copilot plans and most clients. The practical deployment questions are model-policy access, gradual rollout and a fivefold long-context ...