Changes and Releases

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

• Sep 11, 2026 AI Agents agent-platform v4.4.0

  Added

  • (connectivity) One platform Harness per managed namespace in #361 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.3.0...v4.4.0

• Sep 11, 2026 Developer Portal backstage v2.0.0

  Added

  • (agent-platform-backend) [breaking] Speak kagent API v2 over gRPC — sessions are AgentInstances, A2A v1 streaming with HITL, Stop, history in #2352 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v1.2.0...v2.0.0

• Sep 11, 2026 AI Agents agent-platform v4.3.0

  Added

  • (meta) Agent Substrate ships inside the chart at the kagent line’s Substrate release in #359 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.2.0...v4.3.0

• Sep 11, 2026 Developer Portal backstage v1.2.0

  Added

  • (agent-platform) Edit, delete and update skills through agent-manager over muster as the signed-in person in #2354 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v1.1.0...v1.2.0

• Sep 11, 2026 AI Agents agent-platform v4.2.0

  Added

  • (connectivity) The kagent controller route is a GRPCRoute with the JWT policy on by default in #353 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.1.0...v4.2.0

• Sep 11, 2026 Developer Portal backstage v1.1.0

  Added

  • (agent-platform) Create agents through agent-manager over muster as the signed-in person — validate_agent dry run, create_agent, commit-pinned skills in #2353 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v1.0.0...v1.1.0

• Sep 11, 2026 AI Agents agent-platform v4.1.0

  Added

  • (connectivity) Render the kagent catalog at kagent.dev/v1alpha3 and retire the shared muster RemoteMCPServer in #360 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v4.0.0...v4.1.0

• Sep 11, 2026 Developer Portal backstage v1.0.0

  Added

  • [breaking] Agent-platform reads kagent API v2 — roster and detail from AgentTemplate, toolset from the agent’s RemoteMCPServer, ModelConfig v1alpha3 in #2351 by @teemow

  Full Changelog: https://github.com/giantswarm/backstage/compare/v0.244.7...v1.0.0

• Sep 11, 2026 AI Agents agent-platform v4.0.0

  Added

  • [breaking] Components.kagent moves to the kagent line — kagent API v2 from giantswarm/kagent-upstream (meta chart 4.0) in #350 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v3.23.1...v4.0.0

• Sep 11, 2026 AI Agents agent-platform v3.23.1

  Fixed

  • (agent-manager) Compose the bounded agent chart range on the 3.x line in #358 by @teemow

  Full Changelog: https://github.com/giantswarm/agent-platform/compare/v3.23.0...v3.23.1

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