GitHub Copilot made GPT-5.3-Codex the base model for Business and Enterprise organizations, with LTS availability through February 4, 2027.
Changelog
GitHub Copilot changelog
This page shows the recent feature releases, price changes, improvements, and bug fixes recorded for the tool.
GitHub released the GitHub Copilot app in technical preview, adding a GitHub-native desktop workflow for isolated agent sessions, validation, pull requests, and Agent Merge follow-through.
GitHub introduced the Copilot SDK in public preview for embedding Copilot's agent runtime into custom applications and workflows.
GitHub rolled GPT-5.4 into Copilot across GitHub.com, mobile, CLI, and major IDE clients.
GitHub made Copilot CLI generally available, bringing terminal-native agent workflows to all Copilot subscribers.
GitHub promoted the asynchronous Copilot coding agent to general availability for paid subscribers.
GitHub launched the Copilot coding agent in public preview so it could take issues, work in a secure cloud environment, and open pull requests.
GitHub made Copilot code review generally available for paid Copilot subscribers and expanded language coverage.