Changes and Releases

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

• Sep 22, 2026 Developer Portal backstage v2.56.5

  Fixed

  • (agent-platform) Remove anyway names the served models it removes in #2552 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.56.4...v2.56.5

• Sep 22, 2026 AI Agents muster v5.28.2

  Fixed

  • (mcpserver) 429/503 on initialize is retry-later, not legacy SSE in #1306 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.28.1...v5.28.2

• Sep 22, 2026 AI Agents agent-platform v4.53.0

  Added

  • (observability) Turn on the mcp-kubernetes chart’s own monitor and boards in #618 by @QuentinBisson

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.52.0...v4.53.0

• Sep 22, 2026 Developer Portal backstage v2.56.4

  Fixed

  • (platform-capabilities) A refusal is an Alert with the reason in #2551 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.56.3...v2.56.4

• Sep 22, 2026 Developer Portal backstage v2.56.3

  Fixed

  • (platform-capabilities) The dialog prefills from the record in #2550 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.56.2...v2.56.3

• Sep 22, 2026 AI Agents agent-platform v4.52.0

  Added

  • (dashboards) An Overview board as the folder’s entry point in #617 by @QuentinBisson

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.51.0...v4.52.0

• Sep 22, 2026 Continuous Deployment flux-app v1.12.2

  Added

  • Add cluster_id and organization labels to HelmRelease and OCIRepository metrics, read from the CR labels, so resources reconciled from a management cluster into a workload cluster are attributed to that cluster instead of the management cluster.
• Sep 22, 2026 Developer Portal backstage v2.56.2

  Fixed

  • (platform-capabilities) The choices a commit needs keep the button in #2543 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.56.1...v2.56.2

• Sep 22, 2026 AI Agents agent-platform v4.51.0

  Added

  • (observability) Turn on the agentgateway chart’s own monitors and board in #616 by @QuentinBisson

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.50.0...v4.51.0

• Sep 22, 2026 Developer Portal backstage v2.56.1

  Fixed

  • (plans) Read the tree in one call instead of a 250-call walk in #2540 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.56.0...v2.56.1

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