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backstage release v3.38.4

Nov 12, 2026 Developer Portal backstage v3.38.4

Fixed

(gs-node) Classify more muster tool errors instead of answering 500 by @marians — On the model hosting page, a model-manager refusal for missing permissions reads as such instead of a server error, and isn’t retried. For operators: fewer muster tool errors become Sentry issues.

Full Changelog: https://github.com/giantswarm/backstage/compare/v3.38.3...v3.38.4