Changes and Releases

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

• Apr 28, 2026 AI Agents muster v0.1.129

  What’s Changed

  • feat(oauth): align with mcp-oauth v0.2.117 by @QuentinBisson in https://github.com/giantswarm/muster/pull/597

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.128...v0.1.129

• Apr 28, 2026 Developer Portal backstage v0.124.4

  Added

  • Make sidebar logo image height configurable via app.branding.logo.height.

  Fixed

  • Avoid flashing the default logo while the branding manifest is loading. See ./docs/releases/v0.124.4-changelog.md for more information.
• Apr 28, 2026 AI Agents klaus v0.0.135

  What’s Changed

  • fix(deps): update module github.com/giantswarm/mcp-oauth to v0.2.104 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/233
  • chore(deps): update dependency @anthropic-ai/claude-code to v2.1.121 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/234

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.134...v0.0.135

• Apr 27, 2026 AI Agents klaus-toolchains go/v0.1.10

  What’s Changed

  • Update golang Docker tag to v1.26 by @renovate[bot] in https://github.com/giantswarm/klaus-toolchains/pull/30

  Full Changelog: https://github.com/giantswarm/klaus-toolchains/compare/go/v0.1.9...go/v0.1.10

• Apr 27, 2026 AI Agents klaus-toolchains go/v0.1.9

  What’s Changed

  • Align files by @architectbot in https://github.com/giantswarm/klaus-toolchains/pull/22
  • Align files by @architectbot in https://github.com/giantswarm/klaus-toolchains/pull/23
  • Align files by @architectbot in https://github.com/giantswarm/klaus-toolchains/pull/24
  • Align files by @architectbot in https://github.com/giantswarm/klaus-toolchains/pull/25
  • Align files by @architectbot in https://github.com/giantswarm/klaus-toolchains/pull/26
  • Pin dependency continuation to 1.1.0 by @renovate[bot] in https://github.com/giantswarm/klaus-toolchains/pull/27
  • Update dependency continuation to v2 by @renovate[bot] in https://github.com/giantswarm/klaus-toolchains/pull/31
  • Update peter-evans/create-pull-request action to v8 by @renovate[bot] in https://github.com/giantswarm/klaus-toolchains/pull/32
  • Update klaus-images to v0.0.134 by @renovate[bot] in https://github.com/giantswarm/klaus-toolchains/pull/28

  New Contributors

  • @architectbot made their first contribution in https://github.com/giantswarm/klaus-toolchains/pull/22
  • @renovate[bot] made their first contribution in https://github.com/giantswarm/klaus-toolchains/pull/27

  Full Changelog: https://github.com/giantswarm/klaus-toolchains/compare/go/v0.1.8...go/v0.1.9

• Apr 27, 2026 Developer Portal backstage v0.124.3

  Added

  • Allow overriding the AI chat context window size via aiChat.contextWindow in app-config.

  Changed

  • Improve markdown table rendering in AI chat: tables are now horizontally scrollable with better cell spacing.

  Fixed

  • Cache-bust custom branding logo URLs so replaced logos appear immediately instead of being served stale from the browser cache. See ./docs/releases/v0.124.3-changelog.md for more information.
• Apr 27, 2026 Developer Portal backstage v0.124.2

  Changed

  • Decouple custom branding from the gs-backend plugin so branding assets are served by a dedicated backend plugin and work without gs: config. See ./docs/releases/v0.124.2-changelog.md for more information.
• Apr 27, 2026 AI Agents muster v0.1.128

  What’s Changed

  • Update dependency architect to v7 by @renovate[bot] in https://github.com/giantswarm/muster/pull/589

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.127...v0.1.128

• Apr 27, 2026 AI Agents muster v0.1.127

  What’s Changed

  • ci: fix goconst violation in cmd/create.go by @teemow in https://github.com/giantswarm/muster/pull/593

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.126...v0.1.127

• Apr 27, 2026 Observability dashboards v4.21.3

  Added

  • Add envoy-vs-nginx-loadtesting and envoy-vs-kong-loadtesting dashboards to public org, split from the former envoy-gateway-loadtesting private dashboard

  Fixed

  • Fix metric comparability in envoy-vs-nginx-loadtesting: align downstream RPS (rate/aggregation), success rate window ([2m]→[5m]), and replace wrong Nginx upstream RPS metric; fix Nginx downstream latency unit (seconds→ms)
  • Fix metric comparability in envoy-vs-kong-loadtesting: align downstream RPS (rate/aggregation), fix success rate regex to correctly exclude 4xx/5xx codes

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