Changes and Releases

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

• Aug 21, 2026 Developer Portal backstage v0.187.0

  Added

  • (muster) MCP registration wizard — Review & register step + live Verify panel in #2100 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.186.1...v0.187.0

• Aug 21, 2026 AI Agents muster v1.7.8

  Fixed

  • (deps) Update module github.com/giantswarm/mcp-oauth to v1.2.16 in #1044 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/muster/compare/v1.7.7...v1.7.8

• Aug 21, 2026 Developer Portal backstage v0.186.1

  Changed

  • (deps) Update dependency ws to v8.21.2 in #2096 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.186.0...v0.186.1

• Aug 21, 2026 Developer Portal backstage v0.186.0

  Added

  • (muster) MCP registration wizard shell + Details and Authentication steps in #2099 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.185.2...v0.186.0

• Aug 21, 2026 Developer Portal happa v1.72.10

  Important

  Releases 1.72.5 – 1.72.9 never reached any installation. push-to-registries timed out pushing the image across the Pacific to the Aliyun registry on every one of those tags, which blocked launch-container and therefore push-happa-to-catalog. The images were fine and present in gsoci, but the chart never published, so the OCIRepository (semver: x.x.x) had nothing newer than 1.72.4 to pick up. GitHub showed green releases throughout, so this was invisible.

  This release fixes that and carries the whole backlog — 66 commits since 1.72.4, including roughly ten security-only dependency updates that had been merged and released but never deployed.

  Fixed

  • CI: the Aliyun registry push no longer blocks the chart publish. The buildx push stays on gsoci/gsociprivate (split-china-push) and a separate sync-china-registry job mirrors to Aliyun from the in-China runner, with nothing depending on it (#4881).

  Security

  • The container image no longer ships webpack source maps. They were uploaded to Sentry during the build and then baked into the nginx image as well, where they were publicly downloadable at roughly four times the weight of the bundles they described. Sentry symbolication is unaffected. Reported via bug bounty; internal tracking issue giantswarm/giantswarm#37469 (#4879).
  • Dependency updates previously released but never deployed, including js-yaml 4.3.1 (#4877), mermaid 10.9.8 (#4878), and the tar, brace-expansion and webpack-dev-server advisories.

  Full diff: https://github.com/giantswarm/happa/compare/v1.72.4...v1.72.10

• Aug 21, 2026 AI Agents muster v1.7.7

  Changed

  • (deps) Update go toolchain directive to v1.27.0 in #1011 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/muster/compare/v1.7.6...v1.7.7

• Aug 21, 2026 AI Agents klaus-operator v0.0.138

  Changed

  • (deps) Update go toolchain directive to v1.27.0 in #186 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus-operator/compare/v0.0.137...v0.0.138

• Aug 21, 2026 Developer Portal backstage v0.185.2

  Changed

  • Align files according to platform standards in #2098 by @giantswarm-align-files[bot]

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.185.1...v0.185.2

• Aug 21, 2026 AI Agents klaus-operator v0.0.137

  Changed

  • Align files according to platform standards in #189 by @giantswarm-align-files[bot]

  Full Changelog: https://github.com/giantswarm/klaus-operator/compare/v0.0.136...v0.0.137

• Aug 21, 2026 AI Agents klaus v0.0.295

  Changed

  • Align files according to platform standards in #428 by @giantswarm-align-files[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.294...v0.0.295

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