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May May 2026

May.21 Release

GitHub Copilot for Eclipse is open source

copilot

May.21 Release

Issue fields are now in public preview for all organizations

projects & issues

May.20 Improvement

Copilot usage metrics reports now use GitHub-owned download URLs

account management

May.20 Retired

Updates to available models in Copilot on web

copilot

May.20 Improvement

Auto model selection now routes based on your task in VS Code

copilot

May.20 Release

Semantic issue search in Copilot Chat

copilot

May.19 Improvement

Easily apply Copilot code review feedback with Copilot cloud agent

copilot

May.19 Retired

Upcoming deprecation of Python 3.9 for Dependabot

supply chain security

May.19 Release

Gemini 3.5 Flash is generally available for GitHub Copilot

copilot

May.19 Improvement

Expanded OIDC support for Dependabot and code scanning

application security

May.19 Improvement

Start a GitHub Advanced Security trial from a risk assessment

application security

May.19 Retired

Removal of code_scanning_upload field from rate_limit API endpoint

application security

May.18 Improvement

One-click fixes for failing Actions with Copilot cloud agent

copilot

May.18 Release

Copilot cloud agent: Fast, cost-efficient models for simple tasks

copilot

May.18 Release

Ask questions in context with Copilot on web

copilot

May.18 Release

Audit repository Copilot cloud agent configuration via the REST API

copilot

May.18 Release

Copilot Spaces API now generally available

copilot

May.18 Release

Remote control for Copilot CLI sessions now generally available on mobile, web, and VS Code

client apps

May.17 Release

GPT-5.3-Codex is now the base model for Copilot Business and Enterprise

copilot

May.15 Improvement

GitHub App installation tokens: Per-request override header

ecosystem & accessibility

May.15 Retired

Grok Code Fast 1 deprecated

copilot

May.15 Improvement

Copilot Memory supports user preferences for Pro, Pro+ users

copilot

May.15 Improvement

Timestamp fields in GitHub Projects

projects & issues

May.14 Release

Team-level Copilot usage metrics now available via API

account management

May.14 Improvement

GitHub Actions: Upcoming image migrations

actions

May.14 Release

GitHub Copilot app is now available in technical preview

client apps

May.14 Improvement

Copilot cloud agent supports auto model selection

copilot

May.13 Improvement

Introducing Copilot CLI agent and unified sessions view in GitHub Copilot for JetBrains IDEs

copilot

May.13 Improvement

New enterprise installation API now in public preview

ecosystem & accessibility

May.13 Release

Start Copilot cloud agent tasks via the REST API

copilot

May.13 Release

GitHub Enterprise Server 3.21 release candidate is available

collaboration tools

May.12 Improvement

Copilot code review: Comment experience improvements

copilot

May.12 Improvement

April reports are now available to prepare for usage-based billing

copilot

May.12 Improvement

CodeQL 2.25.4 adds Swift 6.3.1 support, improvements to C# and Java, and more

application security

May.12 Retired

Synchronous SBOM API deprecated

supply chain security

May.11 Improvement

Cross-org Dependabot access for internal repositories

supply chain security

May.11 Release

Create repositories on the go with GitHub Mobile

client apps

May.08 Retired

Upcoming deprecation of Grok Code Fast 1

copilot

May.08 Release

Copilot code review comment types now in usage metrics API

account management

May.08 Improvement

Disable commit comments on the user level

collaboration tools

May.08 Release

More flexible secrets and variables for Copilot cloud agent

copilot

May.08 Improvement

CodeQL 2.25.3 adds Swift 6.3 support

application security

May.07 Improvement

GitHub Actions concurrency groups now allow larger queues

actions

May.07 Retired

Upcoming deprecation of GPT-4.1

copilot

May.07 Retired

Claude Sonnet 4 deprecated

copilot

May.07 Release

Enterprise Live Migrations is now in public preview

enterprise management tools

May.07 Improvement

Rubber Duck in GitHub Copilot CLI now supports more models

copilot

May.07 Improvement

Repository rulesets: User bypass and branch renaming

platform governance

May.06 Improvement

Enterprise-managed plugins in GitHub Copilot CLI are now in public preview

client apps

May.06 Release

GitHub Copilot in Visual Studio Code, April releases

copilot

May.06 Release

Search and filter bar for repository security advisories

supply chain security

May.05 Release

Secret scanning with GitHub MCP Server is now generally available

application security

May.05 Release

Dependency scanning with GitHub MCP Server is in public preview

supply chain security

May.05 Release

Code-to-cloud risk visibility with Microsoft Defender for Cloud is now generally available

application security

May.05 Retired

Deprecation notice: code_scanning_upload field will be removed from rate_limit API endpoint

application security

May.01 Retired

Upcoming deprecation of GPT-5.2 and GPT-5.2-Codex

copilot

April Apr 2026

March Mar 2026

February Feb 2026

January Jan 2026