Changes and Releases

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

• Apr 21, 2026 AI Agents muster v0.1.115

  What’s Changed

  • Update module github.com/mark3labs/mcp-go to v0.49.0 by @renovate[bot] in https://github.com/giantswarm/muster/pull/577

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.114...v0.1.115

• Apr 21, 2026 AI Agents muster v0.1.114

  What’s Changed

  • fix: forward underlying tool error to call_tool outer isError by @marians in https://github.com/giantswarm/muster/pull/576

  Full Changelog: https://github.com/giantswarm/muster/compare/v0.1.113...v0.1.114

• Apr 21, 2026 AI Agents klaus v0.0.126

  What’s Changed

  • fix(deps): update module github.com/giantswarm/mcp-oauth to v0.2.102 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/224

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.125...v0.0.126

• Apr 21, 2026 AI Agents klaus v0.0.125

  What’s Changed

  • chore(deps): update dependency @anthropic-ai/claude-code to v2.1.116 by @renovate[bot] in https://github.com/giantswarm/klaus/pull/223

  Full Changelog: https://github.com/giantswarm/klaus/compare/v0.0.124...v0.0.125

• Apr 21, 2026 Developer Portal backstage v0.122.2

  Changed

  • Stream reasoning tokens from OpenAI-compatible models (vLLM) to the AI chat UI by switching the aiChat.openai.api: chat path to @ai-sdk/openai-compatible and unconditionally rendering the Reasoning/ReasoningGroup slots in Thread.tsx. See ./docs/releases/v0.122.2-changelog.md for more information.
• Apr 21, 2026 CAPV releases releases vsphere-33.2.0

  Changes compared to v33.1.1

  Components

  • cluster-vsphere from v3.4.0 to v3.4.1
  • cluster from v4.4.0 to v4.4.1

  cluster v4.4.0…v4.4.1

  Changed

  • Control Plane: Make etcd image tag configurable. (#841)
• Apr 21, 2026 CAPZ releases releases azure-33.2.0

  Changes compared to v33.1.1

  Components

  • cluster-azure from v4.4.0 to v4.4.1
  • cluster from v4.4.0 to v4.4.1

  cluster v4.4.0…v4.4.1

  Changed

  • Control Plane: Make etcd image tag configurable. (#841)
• Apr 21, 2026 CAPA releases releases aws-33.2.0

  Changes compared to v33.1.4

  Components

  • cluster-aws from v6.4.3 to v6.4.4
  • cluster from v4.4.0 to v4.4.1

  cluster v4.4.0…v4.4.1

  Changed

  • Control Plane: Make etcd image tag configurable. (#841)
• Apr 21, 2026 Developer Portal backstage v0.122.1

  Added

  • Add configurable welcome screen title, subtitle, and suggestions for the AI chat.

  Changed

  • Redesign AI chat layout with PluginHeader, sticky composer, scroll-on-send behavior, and polished UI styling. See ./docs/releases/v0.122.1-changelog.md for more information.
• Apr 21, 2026 AI Agents klausctl v0.0.60

  What’s Changed

  • fix(deps): update module github.com/spf13/pflag to v1.0.10 by @renovate[bot] in https://github.com/giantswarm/klausctl/pull/197

  Full Changelog: https://github.com/giantswarm/klausctl/compare/v0.0.59...v0.0.60

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