Changes and Releases

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

• Apr 20, 2026 Security cert-manager-app v3.13.0

  Changed

  • Upgrade cert-manager to v1.19.4.
• Apr 20, 2026 AI Agents klaus-oci v0.0.17

  What’s Changed

  • feat: add stale-while-revalidate registry response cache by @teemow in https://github.com/giantswarm/klaus-oci/pull/26

  Full Changelog: https://github.com/giantswarm/klaus-oci/compare/v0.0.16...v0.0.17

• Apr 20, 2026 AI Agents muster v0.1.112

  What’s Changed

  • fix: validate muster CRDs via discovery API instead of namespaced list by @teemow in https://github.com/giantswarm/muster/pull/574

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.111...v0.1.112

• Apr 20, 2026 Developer Portal backstage v0.122.0

  Added

  • Add optional guest auth provider, enabled via ENABLE_GUEST_AUTH environment variable.
  • Add optional aiChat.systemPrompt config to override the built-in AI chat system prompt.
  • Add optional aiChat.openai.api config to target OpenAI-compatible servers via chat completions API.

  Changed

  • Update Backstage to 1.50.2.
  • Migrate scaffolder pages to NFS SubPageBlueprint layout.
  • Make sidebar nav items configurable via NFS extensions.
  • Use custom X-Backstage-Token header for identity tokens to avoid conflicts with ingress-level Basic auth.
  • Use ProxiedSignInPage with guest provider as fallback when Dex auth is not configured.
  • Allow hiding the Backstage Identity card on the settings general page via extension config.

  Fixed

  • Fix AI chat producing empty replies when the model uses a tool by increasing the default step limit.
  • Strip stale tool results from AI chat conversation history to reduce token usage. See ./docs/releases/v0.122.0-changelog.md for more information.
• Apr 20, 2026 Observability dashboards v4.21.1

  Changed

  • Update envoy-gateway-loadtesting dashboard with added kong graphs
• Apr 20, 2026 AI Agents muster v0.1.111

  What’s Changed

  • Align files by @architectbot in https://github.com/giantswarm/muster/pull/573

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.110...v0.1.111

• Apr 20, 2026 AI Agents klaus v0.0.124

  What’s Changed

  • chore(deps): update dependency @anthropic-ai/claude-code to v2.1.114 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/220
  • Align files by @architectbot in https://github.com/giantswarm/klaus/pull/222

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.123...v0.0.124

• Apr 20, 2026 AI Agents muster v0.1.110

  What’s Changed

  • Update module github.com/giantswarm/apptest-framework/v3 to v4 by @renovate[bot] in https://github.com/giantswarm/muster/pull/569

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.109...v0.1.110

• Apr 20, 2026 AI Agents klaus v0.0.123

  What’s Changed

  • fix(deps): update module github.com/giantswarm/mcp-oauth to v0.2.101 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/218

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.122...v0.0.123

• Apr 20, 2026 AI Agents klaus v0.0.122

  What’s Changed

  • Fix helm-schema rename in pre-commit workflow by @teemow in https://github.com/giantswarm/klaus/pull/221

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.121...v0.0.122

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