Changes and Releases

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

• Aug 28, 2026 AI Agents muster v5.6.6

  Fixed

  • (testing) Make readiness failures self-attributing in CI logs in #1109 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.6.5...v5.6.6

• Aug 28, 2026 Developer Portal backstage v0.199.5

  Fixed

  • (muster) Re-read auth status when a sign-out request fails in transport in #2135 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.199.4...v0.199.5

• Aug 28, 2026 AI Agents muster v5.6.5

  Fixed

  • (testing) Bound the instance-startup herd and right-size spawned runtimes in #1108 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.6.4...v5.6.5

• Aug 28, 2026 Developer Portal backstage v0.199.4

  Fixed

  • (muster) Open the server sign-in page directly from the Sign in click in #2134 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.199.3...v0.199.4

• Aug 28, 2026 AI Agents muster v5.6.4

  Fixed

  • (testing) Make the instance readiness deadline configurable, raise it for CI in #1105 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.6.3...v5.6.4

• Aug 28, 2026 AI Agents muster v5.6.3

  Fixed

  • (deps) Bump x/mod and pin goldmark for fresh OSS Index CVEs in #1106 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v5.6.2...v5.6.3

• Aug 28, 2026 Developer Portal backstage v0.199.3

  Fixed

  • (muster) Replace the CLI-worded sign-out note with UI-authored text in #2132 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.199.2...v0.199.3

• Aug 28, 2026 Developer Portal backstage v0.199.2

  Fixed

  • (muster) Refetch workflow reads immediately after a successful mutation in #2133 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.199.1...v0.199.2

• Aug 27, 2026 AI Agents agent-platform v3.0.4

  Fixed

  • (valkey) Use the Recreate deployment strategy in #244 by @QuentinBisson

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v3.0.3...v3.0.4

• Aug 27, 2026 AI Agents agent-platform v3.0.3

  Changed

  • Align files according to platform standards in #242 by @giantswarm-align-files[bot]

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v3.0.2...v3.0.3

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