GitHub releases
GitHub changelog, platform updates, and Copilot coding-assistant releases. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.
Tracking 72 GitHub releases · Updated
- GitHub Changelog aideprecationengineer ·
GitHub Copilot deprecates Opus 4.6 (fast) model
GitHub Copilot will deprecate the Opus 4.6 (fast) model across all its experiences on June 29th, 2026. Users should migrate to the Opus 4.8 (fast) model to avoid disruption. Administrators may need to enable the new model in Copilot settings.
deprecation - GitHub Changelog aiengineer ·
MAI-Code-1-Flash expands to more GitHub Copilot features
Microsoft's MAI-Code-1-Flash coding model is now integrated into additional GitHub Copilot surfaces, including Copilot CLI, the GitHub Copilot app, and Copilot Chat on GitHub. This small, high-quality model is designed to improve coding assistance across various platforms and plans. Availability will gradually expand, with business and enterprise access planned soon.
feature announcement - GitHub Changelog aipreviewengineer ·
GitHub Issues: Duplicate Detection Preview and Issue Fields MCP Support
GitHub Issues is introducing a public preview for duplicate issue detection, which flags potential matches against existing issues as they are created to reduce maintainer triage time. Additionally, issue fields now support MCP server AI tools, enabling agents to automatically set and filter issues by various fields. These features aim to streamline repository maintenance and issue management for maintainers and developers.
feature announcement - GitHub Changelog infragaengineer ·
GitHub Repository Switcher GA in Global Navigation
The repository switcher in GitHub's global navigation is now generally available, allowing users to seamlessly transition between repositories without leaving their current page. This feature is designed to significantly reduce the time spent navigating across multiple codebases, benefiting engineers who manage numerous projects. Users can access it by clicking the chevron next to the repository name in the navigation breadcrumb.
feature announcement - GitHub Changelog securityinfraengineer ·
GitHub Actions checkout v7 enhances security for pull_request_target
GitHub Actions checkout v7 now defaults to refusing common 'pwn request' patterns, preventing vulnerabilities in workflows triggered by pull_request_target events from forks. This change is crucial for supply-chain security, affecting users who rely on checking out unreviewed pull request code. The update is available now for workflows pinned to floating major tags, with enforcement backported to supported major versions by July 2026.
feature security - GitHub Changelog securitypreviewengineer ·
GitHub Actions workflow execution protections now in public preview
GitHub Actions workflow execution protections are now in public preview, allowing administrators to define allow lists for workflow triggers. This feature enhances security by preventing unauthorized users or events from initiating workflows, which could otherwise be exploited to run malicious code. Initially available for GitHub Enterprise, organizations, and repositories, it helps mitigate common attack patterns like poisoned pipeline execution and manual-trigger abuse.
feature announcement - GitHub Changelog aiengineereducation ·
GitHub Copilot Individual Plan Sign-ups Reopening
GitHub is gradually reopening sign-ups for its Copilot individual plans, including Student, Pro, Pro+, and Max, over the next few weeks. This announcement also details updates to usage limits, offering options to upgrade plans or pay for additional usage as needed. These changes aim to provide users with more flexibility and better manage their Copilot experience.
announcement - GitHub Changelog aigaengineer ·
GitHub Copilot Chat adds auto model selection for all users
GitHub Copilot Chat now offers auto model selection for all users on github.com and the mobile app, allowing it to dynamically choose models based on request complexity and availability. This feature aims to optimize token usage and response quality, benefiting all Copilot plan subscribers. Auto mode routes to various models including Claude Sonnet 4.6, GPT-5.4 mini, GPT-5.4, and Haiku 4.5, with usage billed at a 10% discount.
feature announcement - GitHub Changelog aigaengineer ·
GitHub Copilot App Now Generally Available
The GitHub Copilot app, a desktop environment for agent-driven development, is now generally available for macOS, Windows, and Linux. New features include Canvases for shared interaction, cloud automations for scheduled work, and support for custom models and tools. Organization administrators must enable Copilot CLI for Business/Enterprise users.
feature announcement - GitHub Changelog aideprecationengineer ·
GitHub Models unavailable to new customers as retirement nears
GitHub Models is being retired, and new customers can no longer access it, even on free or paid plans. Existing users are unaffected for now, but the service will eventually be fully retired. Azure AI Foundry is recommended as an alternative for new projects needing AI model access.
deprecation announcement - GitHub Changelog governancegapreviewengineer ·
GitHub Code Quality Moves to General Availability
GitHub Code Quality will transition from public preview to general availability on July 20, 2026, becoming a purchasable product for enterprises. This change introduces new capabilities like organization-wide deployment and enhanced dashboards, alongside a new pricing model that includes a per-committer license and usage-based charges for AI features. Customers on GitHub Enterprise Cloud and Team plans will be affected, with options to disable the feature before the transition.
announcement feature patch - GitHub Changelog governancepreviewengineer ·
GitHub Org-Level Code Quality Enablement Now in Public Preview
GitHub Code Quality can now be enabled or disabled organization-wide through a single toggle in organization settings, simplifying rollout for administrators. This feature is available in public preview for GitHub Enterprise Cloud and GitHub Team plans, allowing admins to manage settings across all repositories efficiently. It targets organization administrators seeking to quickly deploy or revoke Code Quality across their entire organization.
feature announcement - GitHub Changelog infra ·
GitHub Actions enforces minimum self-hosted runner versions starting July/September 2026
GitHub Actions is resuming enforcement of minimum version requirements for self-hosted runners on github.com and GitHub Enterprise Cloud. This change is necessary to support the new backend architecture that has increased reliability and performance. Users must ensure runners are on version 2.329.0 or later for registration and updated within 30 days of new releases to continue executing jobs. Enforcement begins with brownouts in July/August 2026, with full enforcement on July 31, 2026, for Data Residency instances and September 25, 2026, for others.
breaking announcement - GitHub Changelog governanceinfragaengineer ·
GitHub Enterprise Server 3.21 Released
GitHub Enterprise Server 3.21 is now generally available, bringing enhancements to deployment efficiency, monitoring, code security, and policy management. Key updates include the general availability of organization custom properties and hierarchy view for GitHub Projects, alongside a new REST API version with breaking changes. These updates benefit enterprise administrators and developers by improving metadata tagging, project visualization, and workflow management.
feature patch breaking - GitHub Changelog infrapreviewengineer ·
GitHub Actions runner images in public preview
GitHub Actions is releasing new Ubuntu 26.04 and Windows 11 arm64 runner images in public preview for all users. This allows early testing of workflows on the latest platforms before general availability, with Ubuntu 26.04 supporting both x64 and arm64 architectures. Users should update their workflow files to use the new image labels and may observe differences in tool versions.
feature announcement - GitHub Changelog previewengineer ·
GitHub Agentic Workflows enters public preview
GitHub Agentic Workflows are now in public preview, enabling automation of reasoning-based tasks such as issue triage and CI failure analysis using coding agents within GitHub Actions. Workflows are defined in natural language Markdown and compiled into standard Actions YAML, reusing existing runner groups and policies. This feature aims to reduce repetitive engineering work, freeing up developers for innovation, with built-in security safeguards.
feature announcement - GitHub Changelog securitypreviewengineer ·
GitHub Copilot CLI adds experimental security review command
GitHub Copilot CLI now includes a new `/security-review` slash command for local code changes, shipping as an experimental public preview feature. This AI-driven command analyzes code to find high-confidence security vulnerabilities and offers actionable suggestions directly within the terminal. It complements existing GitHub security tools by providing a lightweight, on-demand scan focused on common vulnerability classes, accessible to engineers using Copilot CLI.
feature announcement - GitHub Changelog infraengineer ·
npm v12 to enforce stricter security defaults for package installation
npm v12, slated for July 2026, introduces security enhancements by defaulting to stricter controls for package installation scripts and Git/remote dependencies. These changes aim to mitigate code execution risks by requiring explicit user opt-in for potentially risky operations. Users on npm 11.16.0 or newer can prepare by reviewing warnings and using `npm approve-scripts` to manage trusted packages.
breaking feature security - GitHub Changelog aigaengineer ·
GitHub Copilot adds Claude Fable 5 for autonomous coding
GitHub Copilot is now generally available with Anthropic's Claude Fable 5 model, designed for long-horizon, autonomous coding and knowledge-work tasks. This model offers improved efficiency over previous Opus-tier models by completing equivalent work with fewer tool calls and lower token consumption. It is available to Copilot Pro+, Max, Business, and Enterprise users and requires data retention for Anthropic's safety classifiers, a change from the Zero Data Retention of other Claude models.
feature announcement - GitHub Changelog securitygaengineer ·
GitHub EMU IP Allow List Now Generally Available
GitHub Enterprise Cloud now offers general availability for IP allow list configuration within Enterprise Managed User (EMU) namespaces. This enhancement allows organizations to enforce network access policies directly within their managed user environments. The feature is now production-ready for all EMU customers.
feature announcement