Changes and Releases

Updates on Giant Swarm workload cluster releases, apps, UI improvements and documentation changes.

• Sep 16, 2026 AI Agents muster v5.25.1

  Fixed

  • Recovery ends in Auth Required for an OAuth-protected server’s 401, not RecoveryFailed in #1267 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.25.0...v5.25.1

• Sep 16, 2026 AI Agents agent-platform v4.28.2

  Fixed

  • (connectivity) ValidateIngress requires the muster route’s Gateway and the muster-direct agentgateway agreement only while muster is on, so the serving slice renders without an edge in #491 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.28.1...v4.28.2

• Sep 16, 2026 AI Agents agent-platform v4.28.1

  Fixed

  • (connectivity) The Hugging Face cache claim is applied by a post-install,post-upgrade hook Job, outside Helm’s wait — it Binds with its first predictor, so WaitForFirstConsumer no longer fails the release (giantswarm/agent-platform#483) in #489 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.28.0...v4.28.1

• Sep 16, 2026 AI Agents agent-platform v4.28.0

  Added

  • (connectivity) ModelManager.networkPolicy.registeredBackends — egress for backends registered at runtime in #486 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.27.2...v4.28.0

• Sep 16, 2026 AI Agents klaus v0.1.19

  Fixed

  • (deps) Update module github.com/giantswarm/mcp-oauth to v1.4.2 in #487 by @renovate[bot]
  • (deps) Update module github.com/mark3labs/mcp-go to v1.1.0 in #488 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.1.18...v0.1.19

• Sep 16, 2026 Developer Portal backstage v2.8.1

  Changed

  • (deps) Update dependency fast-xml-parser to v5.11.1 in #2393 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.8.0...v2.8.1

• Sep 16, 2026 AI Agents klaus v0.1.18

  Changed

  • (deps) Update dependency @anthropic-ai/claude-code to v2.1.273 in #486 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.1.17...v0.1.18

• Sep 16, 2026 AI Agents klaus-operator v0.0.161

  Fixed

  • (deps) Update module github.com/mark3labs/mcp-go to v1.1.0 in #213 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus-operator/compare/v0.0.160...v0.0.161

• Sep 16, 2026 AI Agents agent-platform v4.27.2

  Fixed

  • (connectivity) The agentgateway data plane runs two replicas behind a PodDisruptionBudget, spread across nodes; the controller runs two in #373 by @paurosello

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.27.1...v4.27.2

• Sep 16, 2026 AI Agents agent-platform v4.27.1

  Fixed

  • (tests) Verify-gpu-pool compares two untainted renders, so a golden that carries modelServing.gpuPool no longer fails every branch in #485 by @paurosello

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.27.0...v4.27.1

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