Changes and Releases

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

• Sep 8, 2026 Developer Portal backstage v0.241.2

  Changed

  • (deps) Update ai-sdk packages in #2310 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.241.1...v0.241.2

• Sep 7, 2026 Developer Portal backstage v0.241.1

  Fixed

  • (muster) The MCP Servers tab follows the page header’s installation selector — its own picker is gone in #2312 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.241.0...v0.241.1

• Sep 7, 2026 Developer Portal backstage v0.241.0

  Added

  • (agent-platform) Agents tab is one flat table under every scope — the per-installation groups are gone, the Installation column (initial sort, home first) tells the rows apart; AgentsDataProvider drops the unused groups plumbing in #2311 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.240.1...v0.241.0

• Sep 7, 2026 Developer Portal backstage v0.240.1

  Changed

  • (deps) Update dependency @testing-library/user-event to v14.6.6 in #2306 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.240.0...v0.240.1

• Sep 7, 2026 Developer Portal backstage v0.240.0

  Added

  • (agent-platform) Tools step lands compact — presets first, sticky “Selected so far” summary with the resolved count, catalogue behind its search with groups collapsed by default, compact rows paged by 20, workflows grouped by name prefix in #2309 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.239.0...v0.240.0

• Sep 7, 2026 Security kyverno-policies v0.27.1

  Fixed

  • Take the app.kubernetes.io/version label from the chart app version instead of the chart version. Flux adds build metadata to the chart version, which pushed the label past the 63 byte limit and made the install fail. The app version carries the same value without that metadata.

  Changed

  • Allow additional properties for vendored upstream chart values so upstream keys are not rejected by the generated schema.
• Sep 7, 2026 Developer Portal backstage v0.239.0

  Added

  • (agent-platform) Tools step with presets, grouped catalogue, inline sign-in and live resolution; composer emits toolset; Toolset card on the agent page in #2307 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.238.0...v0.239.0

• Sep 7, 2026 Developer Portal backstage v0.238.0

  Added

  • (muster) Group MCP servers by tool group — Agent Platform, Infrastructure, Registered servers in #2305 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.237.1...v0.238.0

• Sep 7, 2026 Security falco-app v0.13.0

  Added

  • Route Falco security events to the Giant Swarm Security Grafana organization. Operational data still goes to the default tenant.
  • Enable metrics scraping for Falcosidekick and k8s-metacollector.
  • Send Falco events to Falcosidekick by default.

  Changed

  • Enabled json_output for Falco so security events land in Loki as structured JSON.
  • Allow additional properties for vendored upstream chart values so upstream keys are not rejected by the generated schema.
  • Updated falco to upstream version v0.44.1.
  • Updated charts to upstream version falco-9.1.0.

  Fixed

  • Take the app.kubernetes.io/version label from the chart app version instead of the chart version, as described in the Helm chart best practices. The chart version carries build metadata that pushed the label past the 63 byte limit and made the install fail.
• Sep 7, 2026 Continuous Deployment flux-app v1.10.3

  Fixed

  • Bump kube-state-metrics sub-chart from 7.2.1 to 7.8.1, moving flux-ksm from kube-state-metrics v2.18.0 to v2.19.1. v2.18.0 leaks a reflector goroutine and its API server watch on every discovery poll cycle (kube-state-metrics#2867, fixed by #2920 in v2.19.0), which grows the workload cluster API servers until control plane nodes hit MemoryPressure.

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