Changes and Releases

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

• Jun 11, 2026 AI Agents klaus v0.0.200

  Changed

  • (deps) Update dependency helm to v3.21.0 in #326 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.199...v0.0.200

• Jun 11, 2026 AI Agents muster v0.3.16

  Fixed

  • Relock ats test deps to pull idna 3.18 (GHSA idna<3.15) in #832 by @teemow

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.3.15...v0.3.16

• Jun 11, 2026 AI Agents muster v0.3.15

  Fixed

  • (deps) Update module github.com/jedib0t/go-pretty/v6 to v6.8.1 in #830 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.3.14...v0.3.15

• Jun 11, 2026 AI Agents klaus v0.0.199

  Changed

  • (deps) Update dependency @anthropic-ai/claude-code to v2.1.173 in #324 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.198...v0.0.199

• Jun 11, 2026 Developer Portal backstage v0.135.0

  Added

  • Muster: support muster MCP servers behind per-user auth (authProvider entries in aiChat.mcp). The muster frontend now forwards the user’s OAuth token to the muster backend proxy, which opens per-user MCP sessions. Previously such servers were reported as unconfigured and the Workflows page failed with a 503.

  Changed

  • The shared MCP client cache moved from the AI chat backend plugin to @giantswarm/backstage-plugin-gs-node and is reused by the muster backend plugin.

  Fixed

  • Muster: an aiChat.mcp entry without a name no longer crashes plugin registration; execution fetch errors are surfaced in the workflow detail UI instead of being silently swallowed; duplicate workflow step ids no longer drop nodes from the graph; query parameter validation rejects empty and repeated values. See ./docs/releases/v0.135.0-changelog.md for more information.
• Jun 11, 2026 AI Agents agent-platform v1.1.22

  Changed

  • Update muster and muster-crds to v0.3.13. Muster’s OAuth server (mcp-oauth v0.2.199) now defaults the JWT access token aud claim to its resource identifier when a client omits the RFC 8707 resource parameter, so tokens from generic OAuth clients (e.g. Backstage auth providers) pass the agentgateway’s strict JWT audience validation on /mcp instead of failing with 401 InvalidAudience.
• Jun 11, 2026 AI Agents klaus v0.0.198

  Fixed

  • (deps) Update module github.com/giantswarm/mcp-oauth to v0.2.200 in #325 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.197...v0.0.198

• Jun 11, 2026 AI Agents muster v0.3.14

  Fixed

  • (deps) Update module github.com/giantswarm/mcp-oauth to v0.2.200 in #829 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.3.13...v0.3.14

• Jun 11, 2026 AI Agents klausctl v0.2.2

  Fixed

  • (deps) Update module github.com/giantswarm/klaus-oci to v0.0.48 in #274 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klausctl/compare/v0.2.1...v0.2.2

• Jun 11, 2026 AI Agents klaus-operator v0.0.94

  Fixed

  • (deps) Update module github.com/giantswarm/klaus-oci to v0.0.48 in #144 by @renovate[bot]

  Full Changelog: https://github.com/giantswarm/klaus-operator/compare/v0.0.93...v0.0.94

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