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Jun 11, 2026 Developer Portal backstage v0.136.0
Added
- Auth: mint per-management-cluster tokens silently through the muster token broker instead of per-cluster OAuth popups. A new authenticated POST /api/auth/cluster-token/:installation backend route exchanges the user’s main Dex ID token for a short-lived cluster token (RFC 8693), cached per user and installation; the kubernetes auth connectors try this silent path before the cookie-based refresh, keeping the legacy popup as fallback for unmigrated clusters. Configured via gs.clusterTokenBroker; installations marked with gs.installations.<name>.clusterTokenAudience disappear from the provider settings page, collapsing it to the single main login.
- AI chat / muster: forward the main Dex ID token as the MCP bearer token when an MCP server’s authProvider has no dedicated auth.providers entry, enabling single sign-on for muster. Deployments activate this by removing the mcp-muster provider from auth.providers, which also removes the separate PKCE login from the user settings page. See ./docs/releases/v0.136.0-changelog.md for more information.
Jun 11, 2026 Developer Portal backstage v0.135.3
Fixed
- Muster: fix the Workflows page failing with “tool not found” against real muster servers. The muster aggregator only exposes its meta-tools over MCP, so the workflow proxy now invokes the core workflow tools through the call_tool meta-tool and unwraps its result envelope. See ./docs/releases/v0.135.3-changelog.md for more information.
Jun 11, 2026 Developer Portal backstage v0.135.2
Fixed
- AI chat: fix chat requests hanging forever when an MCP server is slow or its responses are dropped by the transport. MCP servers now load in parallel with a per-server timeout (15s default, configurable via aiChat.mcp[].timeoutMs); hanging servers degrade gracefully instead of blocking the chat. Also patch @ai-sdk/mcp to treat SSE events without an explicit event: field as message events per the SSE specification, fixing silently dropped responses from MCP servers behind agentgateway. See ./docs/releases/v0.135.2-changelog.md for more information.
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 10, 2026 Developer Portal backstage v0.134.0
Added
- Muster: add workflow visualization. A new muster page renders muster workflow definitions as flow diagrams (one node per step, dashed condition edges) with execution history and live per-step status overlay. Backed by a new muster backend plugin that proxies the muster MCP server’s core_workflow_* tools over REST, reusing the aiChat.mcp entry named muster for connection config. See ./docs/releases/v0.134.0-changelog.md for more information.
Jun 10, 2026 Developer Portal backstage v0.133.2
Changed
- App: migrate the Clusters, Deployments, Installations, Catalog, and Flux pages to the new frontend system page header. The Flux page’s list and tree views are now header tabs (/flux redirects to /flux/list), and the catalog page title is now just “Catalog” (overridable via app-config).
- App: migrate the Grafana plugin to the actively maintained @backstage-community/plugin-grafana — a drop-in replacement with no behavior change.
Fixed
- Auth: the MCP OAuth2 authenticator now sends the RFC 8707 resource parameter in authorization and token requests when a resource option is configured on an mcp-* auth provider, so issued access tokens are audience-bound to the target MCP server. This fixes the AI chat losing access to MCP servers fronted by JWT-validating gateways that reject tokens without the expected aud claim. See ./docs/releases/v0.133.2-changelog.md for more information.
Jun 9, 2026 Developer Portal happa v1.72.4
What’s Changed
Changes
- fix(footer): guard against undefined metadata version by @marians in https://github.com/giantswarm/happa/pull/4803
Full Changelog: https://github.com/giantswarm/happa/compare/v1.72.3...v1.72.4
Jun 8, 2026 Developer Portal happa v1.72.3
What’s Changed
Changes
- feat(analytics): track only authenticated pageviews via TelemetryDeck JS SDK by @marians in https://github.com/giantswarm/happa/pull/4800
Other Changes
- chore(deps): replace connected-react-router with redux-first-history by @marians in https://github.com/giantswarm/happa/pull/4750
- chore(ci): bump architect-orb to 8.0.2 by @marians in https://github.com/giantswarm/happa/pull/4738
- chore(deps): pin patched versions of vulnerable transitive deps by @marians in https://github.com/giantswarm/happa/pull/4742
- chore(deps): bump react-markdown to 9.1.0 and pin mdast-util-to-hast by @marians in https://github.com/giantswarm/happa/pull/4744
- chore(deps): bump @rjsf packages to 5.24.13 by @marians in https://github.com/giantswarm/happa/pull/4745
- chore(deps): remove validate.js (dead code) by @marians in https://github.com/giantswarm/happa/pull/4748
- feat(ci): add workflow to audit dependencies by @marians in https://github.com/giantswarm/happa/pull/4749
- fix(deps): pin form-data to ^4.0.4 via yarn resolution by @marians in https://github.com/giantswarm/happa/pull/4753
- fix(deps): pin ws to ^8.17.1 via yarn resolution by @marians in https://github.com/giantswarm/happa/pull/4754
- fix(renovate): remove schedule, increase concurrency by @marians in https://github.com/giantswarm/happa/pull/4755
- chore: align files according to platform standards in https://github.com/giantswarm/happa/pull/4799 https://github.com/giantswarm/happa/pull/4770 https://github.com/giantswarm/happa/pull/4714 https://github.com/giantswarm/happa/pull/4722 https://github.com/giantswarm/happa/pull/4802 https://github.com/giantswarm/happa/pull/4724
Full Changelog: https://github.com/giantswarm/happa/compare/v1.72.2...v1.72.3
Jun 3, 2026 Developer Portal backstage v0.133.1
Fixed
- AI chat: log “no OpenAI API key configured” at info instead of warn to reduce Sentry noise for customers who haven’t configured the feature.
- App: stop reporting “Untracked page view” warnings to Sentry for paths that don’t match any registered app route (e.g. bot/scanner probes like /wp-login.php). See ./docs/releases/v0.133.1-changelog.md for more information.
Jun 1, 2026 Developer Portal backstage v0.133.0
Added
- AI chat: add Opus 4.8 context window info.
Changed
- AI chat: make the Anthropic thinking config model-aware so adaptive-thinking Claude models (Opus 4.5+, Sonnet 4.6) use the adaptive thinking interface with a configurable effort (aiChat.anthropic.effort, default high), while older Claude models keep the legacy budget-based interface.
Fixed
- AI chat: forward chat-level errors to the error reporter (Sentry) so the “Network error” banner is no longer silent, and log a backend warning when the client disconnects mid-stream. See ./docs/releases/v0.133.0-changelog.md for more information.