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Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

Mar 2026Clear ×Project: BackstageClear ×
Backstagev1.49.3CI/CD & App DeliveryMar 28, 2026

This is a patch release for Backstage with one new TablePagination API prop and two correctness fixes. The changes concern pagination labeling, relative link resolution, and entity relation cards.

Source
Backstagev1.49.1CI/CD & App DeliveryMar 20, 2026

This release contains API and template changes, new DevTools functionality, frontend behavior changes, and defect corrections. No security advisories or security-specific fixes are stated.

Check if affected (1)

  • breakingThe catalog entity page layout header is disabled

    Applies if you use the catalog entity page in the new frontend system.

    The new frontend system disables the page layout header for the catalog entity page.

Source
Backstagev1.49.0CI/CD & App DeliveryMar 17, 2026

A breaking compatibility release changes defaults and removes or narrows support across the frontend, CLI, catalog, and integrations. It also introduces new frontend, catalog, scaffolder, CLI, and integration capabilities, while deprecated functionality remains in some areas and requires planning. The release contains no security fixes.

Check if affected (14)

  • breakingThe New Frontend System as the default for new apps

    Applicability is not stated in the release notes.

    Newly created Backstage apps use the New Frontend System by default in this release.

  • breakingThe create-app frontend selection flag

    Applies if you use the --next flag for create-app.

    The --next flag for create-app has been replaced with the --legacy flag.

  • breakingDeprecated types and options

    Applies if you use deprecated types and options.

    Several deprecated types and options have been removed.

  • + 11 more on the release page

Plan ahead (7)

  • deprecatedDeprecated variant, columns, and tableOptions props

    Applies if you use the variant, columns, or tableOptions props.

    The old variant, columns, and tableOptions props are deprecated but remain supported.

  • deprecatedThe RelatedEntitiesCard component

    Applies if you use RelatedEntitiesCard.

    RelatedEntitiesCard is deprecated in favor of the new EntityRelationCard.

  • deprecatedThe CLI built-in set fallback

    Applicability is not stated in the release notes.

    The CLI falls back to the built-in set with a deprecation warning.

  • + 4 more on the release page
Source
Backstagev1.48.5CI/CD & App DeliveryMar 11, 2026

A security-focused maintenance release fixes undisclosed issues in two Backstage backend plugins. The affected plugins are @backstage/plugin-auth-backend and @backstage/plugin-scaffolder-backend.

Action needed (1)

  • securitySecurity fixes in two Backstage backend plugins

    Security fixes ship in @backstage/plugin-auth-backend and @backstage/plugin-scaffolder-backend.

Source
Backstagev1.48.4CI/CD & App DeliveryMar 4, 2026

Backstage v1.48.4 is a security-fix release affecting three Backstage packages. Operators using these packages are the audience for this update.

Check if affected (1)

  • securitySecurity fixes for three Backstage packages

    Applies to users of @backstage/plugin-techdocs-node, @backstage/integration, or @backstage/plugin-scaffolder-backend.

    This release contains security fixes for @backstage/plugin-techdocs-node, @backstage/integration, and @backstage/plugin-scaffolder-backend. The fixes ship in Backstage v1.48.4.

Source
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