backstage/.changeset/thirty-cobras-tickle.md

@backstage/core, @backstage/plugin-catalog, @backstage/plugin-explore

@backstage/core	@backstage/plugin-catalog	@backstage/plugin-explore
patch	patch	patch

Introduce TabbedLayout for creating tabs that are routed.

<TabbedLayout>
  <TabbedLayout.Route path="/example" title="Example tab">
    <div>This is rendered under /example/anything-here route</div>
  </TabbedLayout.Route>
</TabbedLayout>