September 2026

September 9, 2026

• Enhancement: Claude Managed Agents - When connecting an Anthropic organisation, you can now attach an existing self-hosted environment by pasting its environment ID. Leave it blank to let WarpBuild create one for you.

September 8, 2026

• Feature: Linux ARM64 runners on Apple Silicon. Ubuntu 26.04 ARM64 runners that execute as virtual machines on the same M4 Pro hardware as our macOS fleet, using the -xfast labels.

  Runner Tag	CPU	Memory	Storage	Price
  warp-ubuntu-2604-arm64-6x-xfast	6 vCPU	14GB	150GB SSD	$0.08/minute
  warp-ubuntu-2604-arm64-12x-xfast	12 vCPU	28GB	300GB SSD	$0.16/minute

  Learn more.

September 7, 2026

• Feature: Export runner telemetry to your own OTLP backend. Runner metrics and logs can now be streamed to an observability backend you own, in addition to the WarpBuild dashboards. Configure it under Observability settings. Learn more.

September 6, 2026

• Enhancement: macOS 26 image has been updated.
  • Xcode 26.6 has been added.
  • An issue where screen capture in jobs failed or returned an empty image has been fixed.
• Enhancement: macOS 15 image has been updated.

September 4, 2026

• Enhancement: Windows Server 2025 image has been updated.
• Enhancement: Windows Server 2025 with Visual Studio 2026 image has been updated.
• Enhancement: Windows Server 2022 image has been updated.
• Enhancement: Ubuntu 26.04 Arm64 image has been updated.
• Enhancement: Ubuntu 26.04 image has been updated.
• Enhancement: Ubuntu 24.04 Arm64 image has been updated.
• Enhancement: Ubuntu 24.04 image has been updated.
• Enhancement: Ubuntu 22.04 image has been updated.

September 1, 2026

• Feature: New major versions for the caching and Docker actions. Each action is synced with its upstream project and rebuilt on ESM, Node 24 and the current @actions/* packages.

  Action	New version	Previous
  WarpBuilds/cache	@v2	@v1
  WarpBuilds/setup-node	@v7	@v6
  WarpBuilds/setup-python	@v7	@v6
  WarpBuilds/setup-go	@v7	@v6
  WarpBuilds/setup-java	@v6	@v5
  WarpBuilds/setup-dotnet	@v6	@v4
  Warpbuilds/build-push-action	@v7	@v6
  Warpbuilds/bake-action	@v7	@v6

• Enhancement: Clearer cache logs in WarpBuilds/cache. A cache miss no longer reports Failed to restore. Server errors now log as errors. The log also separates an exact-key hit from a restore-key hit, so you can tell when a cache came from a prefix match.