GitHub new features in June 2026

Everything GitHub shipped in June 2026: 27 releases, grouped by product, each linked to GitHub's release notes.

July 2026

GA 3Preview 8Pricing 1Update 15

GitHub Copilot11

GitHub CopilotJun 30, 2026

Claude Sonnet 5 is generally available for GitHub Copilot

Claude Sonnet 5 is Anthropic’s latest Sonnet-class model, now available in GitHub Copilot. It brings strong coding performance to everyday development and agentic workflows, giving developers a new Sonnet-class option for tasks across the IDE and CLI.

GAAI agentsLLMsGovernanceSource

GitHub CopilotJun 30, 2026

Copilot Agent is now available in JetBrains AI Assistant

Today, JetBrains and GitHub are announcing a deeper integration between JetBrains AI Assistant and GitHub Copilot. Millions of developers already rely on the GitHub Copilot plugin as their AI pair programmer in JetBrains IDEs, and Copilot has also been available inside JetBrains AI Assistant through the Agent Client Protocol (ACP) .

UpdateAI agentsPricingDeveloper toolsSource

GitHub CopilotJun 30, 2026

Per-user AI credit budgets available for cost centers

Enterprise admins can now set a cost center user-level budget: one per-user AI credit budget on a cost center that applies to every individual in it. As membership changes, the budget follows. Anyone added to the cost center, directly or through an enterprise team, picks up its per-user budget, and anyone removed is no longer covered by it.

PricingPricingDeveloper toolsSource

GitHub CopilotJun 29, 2026

Claude Opus 4.8 (fast mode) is now in preview for GitHub Copilot

Claude Opus 4.8 (fast mode) is now rolling out in preview on GitHub Copilot. Fast mode delivers significantly faster output token speeds while maintaining the same intelligence as Claude Opus 4.8, making it well suited for interactive coding and agentic workflows where responsiveness matters.

PreviewAI agentsLLMsGovernanceSource

GitHub CopilotJun 26, 2026

GitHub Desktop 3.6: Worktrees and deeper Copilot integration

GitHub Desktop 3.6 brings more of your day-to-day Git flow into one place with GitHub Copilot now powering commit authoring and merge conflict resolution, plus new Git worktree support. The problem More and more development happens with the help of AI and coding agents, which raises the bar for the everyday Git moments in between.

UpdateAI agentsDeveloper toolsCoding agentsSource

GitHub CopilotJun 26, 2026

MAI-Code-1-Flash for Copilot Business and Copilot Enterprise

MAI-Code-1-Flash, Microsoft AI’s in-house coding model, is now generally available for GitHub Copilot Business and Copilot Enterprise, building on its recent expansion across Copilot surfaces .

GAAI agentsGovernancePricingSource

GitHub CopilotJun 26, 2026

Track total merges by adoption phase in enterprise and organization reports

Building on the AI adoption phase cohorts added to the Copilot usage metrics API , organization and enterprise reports now report the total number of pull requests merged by each adoption phase. What’s new The totals_by_ai_adoption_phase breakdown previously reported per-user averages only.

UpdateObservabilityDeveloper toolsCoding agentsSource

GitHub CopilotJun 25, 2026

Copilot code review: Analysis depth and efficiency updates

Copilot code review now uses the built-in file exploration tools available in the Copilot CLI and SDK, significantly improving review cost efficiency with no change to your existing workflow. If you’re in the Medium analysis depth public preview, you’ll also see some new updates centered around configurability and visibility of review depth.

PreviewPricingDeveloper toolsCoding agentsSource

GitHub CopilotJun 25, 2026

Enterprise-managed settings now support strictKnownMarketplaces in VS Code and GitHub Copilot CLI

Enterprises can now control which plugins their users can install in GitHub Copilot CLI and VS Code. This setting is now available in public preview. Add strictKnownMarketplaces to your enterprise-managed settings.json , and Copilot will only allow plugins to be installed from the marketplaces you’ve explicitly defined.

PreviewGovernanceObservabilityDeveloper toolsSource

GitHub CopilotJun 25, 2026

GitHub Copilot for Jira is now generally available

GitHub Copilot for Jira is now generally available. Since launching the public preview in March 2026, we have shipped a series of enhancements based on your feedback, including model selection, Confluence context via MCP, custom agents, custom fields, space-level guidance, and review request notifications in Jira.

GAAI agentsMCPStreamingSource

GitHub CopilotJun 24, 2026

Changes to model selection for Free and Student plans

Copilot Free and Student plans will now use Copilot auto model selection as the default and only model selection experience. Auto dynamically selects the best model for each task, removing the need for manual choice. Auto provides access to models across multiple model families, subject to plan restrictions.

PreviewPricingObservabilityDeveloper toolsSource

GitHub Advanced Security7

GitHub Advanced SecurityJun 30, 2026

Dependabot no longer infers .npmrc

Dependabot will no longer attempt to infer .npmrc configuration for npm private registries. Previously, Dependabot tried to reconstruct .npmrc contents from lockfile resolved URLs, but incorrect lockfile URLs, lockfile format differences across npm, Yarn v1, Yarn Berry, and pnpm, and other edge cases regularly caused registry authentication failures.

UpdateObservabilitySource

GitHub Advanced SecurityJun 30, 2026

GitHub code coverage merge protection for pull requests

You can now use branch rulesets to block pull requests from merging when test coverage drops below thresholds you set. You can set a minimum coverage percentage, a maximum allowed drop from the default branch, or both. You can start in evaluate mode to understand impact first, then switch to active mode when you’re ready to enforce merge protection.

PreviewObservabilitySource

GitHub Advanced SecurityJun 30, 2026

Open source license compliance is in public preview

Enterprises can now manage their dependencies’ licenses at scale with sophisticated, ruleset-based checks that enforce a centralized policy. Open source license compliance is in public preview, letting you block noncompliant dependencies before they reach production.

PreviewGovernanceDeveloper toolsSource

GitHub Advanced SecurityJun 30, 2026

Upcoming access restrictions to public API endpoints and UI views

As part of our ongoing commitment to protect our users and ensure responsible use of our platform, the Notifications team will soon introduce access restrictions to several public API endpoints and related UI views.

UpdateSecurityDeveloper toolsSource

GitHub Advanced SecurityJun 30, 2026

Upcoming cloud data retention policy for closed security alerts

Starting September 25, 2026, GitHub will introduce a data retention policy for closed Dependabot security alerts. This policy gives you a clear commitment for how long your alert data stays accessible and where you can find it. It applies to Dependabot security alerts on github.com, including GitHub Enterprise Cloud (GHEC).

UpdateGovernanceSecurityDeveloper toolsSource

GitHub Advanced SecurityJun 25, 2026

npm adds preventive account protection for high-impact accounts

npm now adds a temporary, preventive safeguard for high-impact accounts , those responsible for the registry’s most widely used packages, whenever it detects a sensitive account change, strengthening protection against account-takeover attacks.

UpdateVector searchSecurityObservabilitySource

GitHub Advanced SecurityJun 24, 2026

Self-service credential revocation for incident response

For a timely response to security incidents involving compromised accounts or stolen credentials, GitHub Enterprise owners can now use new “break-glass” capabilities to instantly revoke all credentials for a given user. This builds on the enterprise-wide credential management tools for incident response released earlier.

UpdateSecurityDeveloper toolsSource

GitHub platform5

GitHub platformJun 30, 2026

Releases: Sidebar navigation and per-asset download counts

You can now scan and navigate release pages more easily with a dedicated sidebar table of contents. We also updated release metadata placement for a more consistent layout so it’s easier to move between entries on long pages. Users with write access can also now see download counts per release asset directly in the Releases UI.

UpdateObservabilityDeveloper toolsSource

GitHub platformJun 29, 2026

Restrict issue creation to collaborators only

Repository admins can now restrict issue creation to collaborators with write access. This gives you more control over who can open issues and helps reduce unwanted issue creation, while keeping issue workflows available to the people who actively maintain and contribute to the project.

UpdateSecurityObservabilityCoding agentsSource

GitHub platformJun 26, 2026

Cost center limit increased to 1,000 per enterprise

You can now create up to 1,000 cost centers per enterprise, up from 500. Enterprises that model hundreds or thousands of business units, departments, or product groups can now represent that full structure in GitHub, instead of exporting usage data into a homegrown system to fill the gap.

UpdatePricingCoding agentsSource

GitHub platformJun 25, 2026

Cost centers now support enterprise teams

Cost attribution across your enterprise can now follow your team structure. You can add enterprise teams as resources in a cost center, and all usage incurred by team members is attributed to that cost center.

UpdateSecurityPricingSource

GitHub platformJun 25, 2026

Saved views for repository issues – Public Preview and adjustable row heights in projects

Saved views for repository issues Repository Issues pages now support saved views, making it easier for teams to create and share filtered views of their issues. With saved views, anyone with triage access or above can create shared views like “Unassigned bugs”, “Needs triage”, or “Customer-reported issues”.

PreviewObservabilityDeveloper toolsSource

GitHub Actions4

GitHub ActionsJun 26, 2026

Read-only Actions cache for untrusted triggers

GitHub Actions now issues read-only cache tokens to the default branch for workflow events that can be triggered without write permissions to the repository. This applies least privilege to the cache and prevents common privilege-escalation paths through cache poisoning.

UpdateSecurityDeveloper toolsSource

GitHub ActionsJun 25, 2026

Actions steps can now be run in parallel

GitHub Actions now supports running steps concurrently using background . Previously, all steps in a workflow ran in sequence, with each step starting only after the previous step completed. Previously, you could run steps in a non-blocking way using shell backgrounding ( & ), but that often interleaved logs from multiple steps.

UpdateObservabilityDeveloper toolsSource

GitHub ActionsJun 25, 2026

More control over your GitHub-hosted runners

Organizations now have more control over who can use GitHub-hosted runners in Actions. Admins can now disable the standard labels for hosted runners such as ubuntu-latest , as well as add macOS runners to runner groups.

UpdateGovernanceSecurityPricingSource

GitHub ActionsJun 25, 2026

Red Hat Enterprise Linux runner images are now in public preview

GitHub-hosted larger runners now support Red Hat Enterprise Linux (RHEL) 9 and RHEL 10 images in public preview, introduced in partnership with Red Hat. Organizations can use these RHEL images as the foundation for custom images that include required tools, dependencies, and configurations.

PreviewObservabilityDeveloper toolsSource