Copilot code review received new configurations and controls including organization runner controls, Copilot content exclusion support, and removal of the character limit on repository custom instructions. These updates make it easier to tailor Copilot code review to specific organizational needs.

GitHub Agentic Workflows is now in public preview, enabling automation of reasoning-based tasks using coding agents. The feature supports tasks like issue triage, CI failure analysis, and documentation updates. This expands GitHub Copilot's agentic capabilities to a broader audience through public preview availability.

GitHub Copilot CLI introduced a new /settings slash command that provides a unified, schema-driven configuration home. This update consolidates previously scattered commands like /theme, /streamer-mode, and /experimental into a single place, simplifying the configuration experience for users.

GitHub improved the handoff experience between Copilot Chat and Copilot cloud agent on the web. New functionality was enabled allowing users to search and query past agent sessions, improving continuity and accessibility of previous work.

Claude Fable 5 from Anthropic is now generally available in GitHub Copilot. It is the first model in Anthropic's Mythos class, designed for long-horizon, autonomous coding and knowledge-work tasks.

Copilot Pro, Pro+, and Max users can now programmatically start and track Copilot cloud agent tasks using the new Agent Tasks REST API, now available in public preview. This API enables developers to interact with Copilot cloud agent functionality through REST endpoints.

GitHub Copilot in Visual Studio received its May 2026 update, bringing sharper tooling for planning, reviewing, and managing work. The update is described as having highlights for all GitHub Copilot users in Visual Studio 2026.

GitHub Copilot in Visual Studio Code shipped weekly stable releases v1.120 through v1.123 throughout May and early June 2026. The releases included updates making Agents features more prominent. The most recent release in this series is v1.123.

The GitHub Copilot SDK is now generally available (GA). Developers can embed GitHub Copilot's agentic engine into their own applications, services, and developer tools. The release comes with a stable API and production-ready support.

GitHub Copilot now introduces Copilot CLI availability in JetBrains IDEs, bringing new capabilities for Copilot CLI sessions. The update also delivers broader agentic improvements to enhance the overall Copilot experience within JetBrains IDEs.

GitHub Copilot code review is now available in technical preview for Azure Repos, bringing on-demand pull request reviews directly into Azure DevOps workflows. This extends Copilot's code review capabilities beyond GitHub.com to Azure DevOps users.

GitHub Copilot CLI received a major refresh announced at Microsoft Build 2026. New generally available features include rubber duck mode, prompt scheduling, and voice input. An experimental new terminal interface with tabs was also introduced.

The GitHub Copilot app technical preview has been expanded to all existing Copilot Pro, Pro+, Business, and Enterprise customers. The desktop app is now available for download on Windows, macOS, and Linux platforms. This represents a significant expansion of availability from a limited preview to the full customer base.

Claude Opus 4.8, Anthropic's latest Opus model, is now generally available in GitHub Copilot. Early testing demonstrates a clear step forward in code understanding and generation.

Copilot Memory now includes improved memory deletion capabilities and adds a repository-level off switch for more granular control. Additionally, further memory controls have been brought into the Copilot CLI, with the feature remaining in public preview.

GitHub Copilot Chat on web now supports natural language semantic issue search, allowing users to quickly find, group, and analyze issues. The feature is powered by a new semantic issues index that provides context-aware results.

GitHub updated the available model selection for Copilot Chat on the web to deliver more consistent, high-quality responses. The change involves limiting model choices to improve response quality and consistency.

Gemini 3.5 Flash, Google's latest Flash-tier model, is now generally available on GitHub Copilot. It delivers near-Pro coding quality at Flash-tier speed and cost, making it a significant addition to Copilot's available models.

GitHub introduced a new REST API endpoint in public preview that allows programmatic auditing of a repository's Copilot cloud agent configuration. This 'Get Copilot cloud agent configuration for a repository' API enables developers and administrators to retrieve configuration details via REST calls.

The GitHub Copilot Spaces API is now generally available. Developers can now programmatically create, read, update, and delete Spaces directly from their own applications. This moves the feature from preview to full general availability.

GPT-5.3-Codex is now the base model for all Copilot Business and Copilot Enterprise organizations, replacing GPT-4.1. This change affects the default model used when no specific model is selected by the organization.

The GitHub Copilot app is now available in technical preview, offering a GitHub-native desktop experience for agentic development. It allows users to start agentic development from the work in front of them and keep it isolated. The app enables users to steer agentic workflows directly from the desktop.

Copilot cloud agent now supports auto model selection. When users select 'Auto' in the model picker, Copilot intelligently selects the best available model based on system health and model performance criteria.

Copilot Business and Copilot Enterprise users can now programmatically start Copilot cloud agent tasks using the new Agent Tasks REST API, which is available in public preview. This update enables automated and programmatic access to Copilot cloud agent capabilities.

This update introduces the Copilot CLI agent into JetBrains IDEs, bringing CLI-based agentic capabilities to the JetBrains ecosystem. It also adds a unified sessions view that displays live status for running and queued sessions. Additional features were mentioned but not fully detailed in the excerpt.

Autonomous agent mode. Plan, build and test features from a GitHub issue with minimal input.

Conversational coding assistant added. Ask questions about your code directly in the editor.

First AI pair programmer. Trained on public GitHub repos using OpenAI Codex. Technical preview launched.