Changes and Releases

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

• Sep 17, 2026 Developer Portal backstage v2.18.1

  Fixed

  • (agent-platform) The GPU pool’s sizes, prices and presets appear as soon as a cluster is picked, before the pool is named in #2426 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.18.0...v2.18.1

• Sep 17, 2026 Developer Portal backstage v2.18.0

  Added

  • (agent-platform) Node size, hourly price and preset on the Add GPU node pool form in #2425 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.17.0...v2.18.0

• Sep 17, 2026 AI Agents muster v5.27.0

  Added

  • (oauth) AuthorizationServer.expectedIssuer separates the pinned identity from the issuer the server puts in RFC 9207 iss in #1278 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.26.2...v5.27.0

• Sep 17, 2026 AI Agents agent-platform v4.30.1

  Changed

  • (verify-target) Drop the golden-side controller VPA hold — origin/main carries #455, so deleting kagent.controller.vpa on one side is what makes the renders drift in #530 by @fiunchinho

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.30.0...v4.30.1

• Sep 17, 2026 AI Agents agent-platform v4.30.0

  Added

  • (connectivity) The kagent controller gets a VerticalPodAutoscaler (kagent.controller.vpa, InPlaceOrRecreate) in #455 by @fiunchinho

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.29.1...v4.30.0

• Sep 17, 2026 Developer Portal backstage v2.17.0

  Added

  • (ai-chat) Serve Claude models from Google Vertex AI in #2418 by @marians

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.16.0...v2.17.0

• Sep 17, 2026 Developer Portal backstage v0.245.0

  Added

  • (ai-chat) Serve Claude models from Google Vertex AI

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.244.8...v0.245.0

• Sep 17, 2026 AI Agents agent-platform v4.29.1

  Changed

  • (verify-target) Drop the golden-side metric-labels hold — origin/main carries #528, so nulling llmRouting.metricLabels there is refused by its schema and verify-target never renders in #529 by @fiunchinho

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.29.0...v4.29.1

• Sep 17, 2026 Developer Portal backstage v2.16.0

  Added

  • GPU node pools show every step after Remove — the row reads removing… with the teardown until the pool is gone; a refused Remove renders cluster-manager’s structured refused block (nodes, models, hint) with Check again, Remove anyway a second choice; a partial Remove is continued in #2423 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.15.0...v2.16.0

• Sep 17, 2026 Developer Portal backstage v2.15.0

  Added

  • Serving page shows every step of a served model — model-manager’s timeline per row (bytes, then cached, on the weights step; failures as failed steps), Try it at Ready as the person, Stopping until gone in #2422 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v2.14.0...v2.15.0

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