#github-copilot

GitHub Copilot app's rebuilt pull request view stays fast on extreme diffs

GitHub says the view remains fast and smooth for a pull request with 2,200 files, more than 1 million changed lines, and more than 400 inline comments.

GitHub will host beginner livestreams on the Copilot SDK starting September 24

GitHub will host beginner-friendly livestreams starting September 24 on building agentic applications with the GitHub Copilot SDK without implementing the agent loop. The series includes .NET and Java sessions, with sign-up in six languages.

GPT-6 Sol and GPT-6 Luna are generally available in GitHub Copilot

GitHub Copilot now generally offers two additional OpenAIDevs GPT-6 models: GPT-6 Sol for interactive and agentic coding, and GPT-6 Luna, which GitHub calls a lightweight, lowest-cost option for smaller tasks.

Claude Opus 5.5 is now generally available in GitHub Copilot

AnthropicAI's Claude Opus 5.5 is generally available in GitHub Copilot for agentic coding, long-running agentic tasks, and knowledge work. GitHub's early testing found task resolution comparable to Claude Opus 5, with significantly fewer steps and tokens and fast error recovery on multistep tasks.

GitHub says one engineer and agents ported Copilot agent runtime to Rust, shipping 800,000 lines

GitHub said one engineer and a team of agents ported the GitHub Copilot agent runtime to Rust, shipping 800,000 lines of production code while retaining code quality.

GitHub Copilot desktop app to add editable diffs

Alberto Gimeno said editable diffs are coming soon to the GitHub Copilot desktop app, so last tweaks can be made directly in the diff while reviewing changes.