GitHub Weekly – 2025 Week 35

This period at a glance

Window: 2025-08-25 → 2025-08-31 (Europe/Brussels)

• Create sub-issues with Copilot in public preview — GitHub Copilot now supports creating sub-issues directly from issues in public preview as of August 27, 2025.
  • Copilot can generate sub-issues from existing issues in repositories.
  • Feature is available in public preview starting August 27, 2025.
  • Applies to public repositories on GitHub.
• Copilot code review: Generally available in Xcode and new admin control — GitHub Copilot code review is now generally available in Xcode, and a new admin control has been introduced.
  • Copilot code review is now generally available in Xcode.
  • A new admin control allows organization admins to manage Copilot code review access.
• Copilot code completion now uses the GPT-4.1 Copilot model — GitHub Copilot’s code completion feature now uses the GPT-4.1 Copilot model as of August 27, 2025.
  • Copilot code completion upgraded to GPT-4.1 Copilot model.
  • Update effective from August 27, 2025.
• Copilot coding agent is now available in GitHub Enterprise Cloud with data residency — GitHub has released the Copilot coding agent for GitHub Enterprise Cloud, now supporting data residency options as of August 27, 2025.
  • Copilot coding agent is now available in GitHub Enterprise Cloud.
  • Data residency controls are supported for Copilot coding agent.
  • Release date: August 27, 2025.
• Template URLs for fine-grained PATs and updated permissions UI — GitHub has introduced template URLs for fine-grained personal access tokens (PATs) and updated the permissions UI as of August 26, 2025.
  • Template URLs now available for fine-grained personal access tokens (PATs) to streamline token creation.
  • Permissions UI has been updated for improved clarity and management of PAT scopes.
• The secret risk assessment is generally available — GitHub has made the secret risk assessment feature generally available as of August 26, 2025. This tool helps users identify and assess risks related to secrets in their repositories.
  • Secret risk assessment feature is now generally available on GitHub.
  • Enables identification and assessment of risks associated with secrets in repositories.
  • Release date: August 26, 2025.
• Grok Code Fast 1 is rolling out in public preview for GitHub Copilot — GitHub announced the public preview rollout of Grok Code Fast 1 for GitHub Copilot on August 26, 2025. This update introduces a new feature aimed at improving code generation speed.
  • Grok Code Fast 1 is now available in public preview for GitHub Copilot users.
  • The feature focuses on faster code generation within the Copilot tool.
  • Rollout began on August 26, 2025, globally via GitHub’s platform.
• Releases now support immutability in public preview — GitHub Releases now support immutability, available in public preview as of August 26, 2025.
  • GitHub introduced immutability support for Releases in public preview.
  • This feature was announced on August 26, 2025.
• Improved repository creation generally available, plus ruleset & insights improvements — GitHub announced the general availability of improved repository creation features, along with enhancements to ruleset management and insights.
  • Improved repository creation is now generally available to all users.
  • Enhancements have been made to ruleset functionality for better management.
  • Insights features have been improved for more detailed analysis.
  • Update was released on August 26, 2025, applicable globally.
• Dependabot can now exclude automatic pull requests for manifests in selected subdirectories — GitHub Dependabot now supports excluding automatic pull requests for manifests located in selected subdirectories.
  • Dependabot can be configured to exclude automatic pull requests for manifests in specific subdirectories.
  • This feature helps users manage dependency updates more granularly by ignoring certain paths.
  • Announced on August 26, 2025, via GitHub’s changelog.