GitHub

A new changelog entry was added on Oct 8, 2026 indicating that triage role users or higher can now archive pull requests. This is a permission/capability improvement to the collaboration tools.

Two new changelog entries were added on Oct 8, 2026: an accessibility improvement for screen readers to navigate timelines as lists, and a behavioral change making draft pull requests count toward pull request limits.

GitHub added four new changelog entries on Oct 7, 2026: Claude Haiku 5.5 in GitHub Copilot, local sandboxing for GitHub Copilot now generally available, and the ability to discover local models in GitHub Copilot CLI. These represent new capabilities and model availability for Copilot users.

GitHub added two new changelog entries on Oct 7, 2026: a purpose-built model for leaked secret detection (application security/copilot) and a GitHub Copilot weekly releases summary for September 28. These appear as newly inserted items in the changelog page.

Two new changelog entries were added on Oct 6, 2026: 'Stacked pull requests generally available' and 'Update your IDE to restore agent activity in Copilot usage metrics'. The rest of the changelog content is unchanged.

A new changelog entry was added on Oct 6, 2026 for 'Code scanning AI Scan enablement status in security overview', an improvement to application security tooling. No existing entries were removed or modified.

Unvalidated npm trusted publishing configurations now expire (retired), and npm staged publishing now supports creating new packages. Additionally, secret scanning adds new detectors for Lovable, Supabase, and more.

Several GitHub Copilot models have been deprecated and retired, and stateless GitHub App installation tokens are being rolled out. Additionally, Copilot code review API support has been added with a new default effort level change.

GitHub added three new API-related items on October 2: new fields for the SecurityAdvisory GraphQL API, confidential comments on repository security advisories, and a public preview of the repository security advisory comments API.

Several new changelog entries were added for October 2026, including new releases and retirements such as the GitHub async merge API GA, macOS 14 runner image retirement, Actions retention policy changes covering checks/runs/statuses, rate limits for private vulnerability reports, structured forms for private vulnerability reports, Copilot computer use capability, and dynamic workflows in Copilot CLI. Notably, 'Actions retention now covers checks, runs, and statuses' and 'GitHub Actions: macOS 14 runner image retirement' represent potentially breaking changes for existing workflows.

GitHub's changelog page now shows new October 2026 entries, including a generally available async merge API, Actions Runner Controller 0.15.0 release, scheduled code scanning improvements, code coverage upload behavior change, and a new default dashboard experience. The most API-relevant addition is the 'GitHub async merge API generally available' release.

A new changelog entry was added on Sep 30 for 'Opt-in dist-tag permissions for npm trusted publishing' under supply chain security. This is the only meaningful diff between the two versions of the changelog page.

GitHub has announced that X25519-only TLS support for GHE.com will end on October 7, 2026. This is a security-related retirement that will affect clients relying solely on X25519 key exchange for TLS connections to GHE.com.

Two new changelog entries were added on Sep 29, 2026: 'Repository custom runner settings for Dependabot' (supply chain security improvement) and 'Bring business context with external custom properties' (platform governance release). All other entries remain unchanged.

GitHub Copilot now supports GPT-6.1 Sol, released on September 29, 2026. This is a new model addition to the Copilot model lineup.

GitHub has moved the enforcement date for self-hosted runner version requirements in GitHub Actions, and Claude Sonnet 5.5 has been added as a new model in GitHub Copilot. The self-hosted runner version enforcement is a breaking change for teams using older runner versions.

Five new changelog entries appeared on Sep 25, 2026: enterprise managed settings in-product validator, usage metrics API adds pull request review stages, private saved views for repository issues and 'Relates to' issue relationship GA, changes to query results in the GitHub Actions API and UI, and agentic autofix now uses Copilot Memory.

GitHub's changelog page was updated with several new entries including: expired GitHub Actions artifacts no longer shown in UI and API (behavioral/breaking for artifact listings), a new Copilot weekly releases post, and Copilot for Slack/Teams improvements. The most API-relevant change is that expired artifacts are no longer returned in API responses.

CodeQL 2.27.1 has been released, adding C and C++ query improvements and Kotlin 2.4.20 support. This is the only net-new entry added to the changelog in this diff.

A new changelog entry 'Default Enablement of Copilot Features for Copilot Business and Enterprise' was added on Sep 24, 2026, as an Improvement under the copilot and enterprise management tools tags. This is the only net-new addition between the two versions of the changelog page.

GitHub added a new changelog entry on Sep 24 titled 'Require proof of presence for high-impact actions,' covering account management, application security, and enterprise management. This is the only meaningful diff between the two changelog snapshots.

Node 20 is no longer available in GitHub Actions as of September 23, 2026. Workflows relying on Node 20 runners or actions using Node 20 will be affected.

GitHub added a new changelog entry on Sep 23 for 'Local sandboxing in the GitHub Copilot app'. This is the only meaningful diff between the two versions of the changelog page.

Two new changelog entries were added on Sep 22: 'OpenTelemetry in the GitHub Copilot app' and 'New features and improvements in Copilot for JetBrains'. No existing entries were removed or modified.

Three new changelog entries were added on Sep 22: 'Faster C++ code intelligence with whole codebase indexing', 'OpenAI's GPT-6 Sol and GPT-6 Luna now available', and 'Security improvements for SSH' (marked Retired/deprecated). The SSH security improvement deprecation is the most API-relevant change, affecting SSH key authentication for accounts.

Claude Opus 5.5 is now available as a model in GitHub Copilot as of September 22, 2026. This is a new model addition to the Copilot model selection.

GitHub announced a deprecation notice for the all-platform CodeQL bundle, effective September 22, 2026. This affects users relying on the unified CodeQL bundle distributed across all platforms.

The 'Refreshed repository pull requests page' has moved from public preview (Sep 10) to generally available (Sep 21) on GitHub. This is the only meaningful diff between the two changelog snapshots.

A new changelog entry was added on Sep 21 for 'GitHub Enterprise adds credential inventory exports' under application security and enterprise management tools. The 'Universe '25' tag was also removed from the filter list.

Grok 4.7 is now generally available as a model option in GitHub Copilot as of September 21, 2026. This is the only net-new entry added in this changelog diff.