backstage/.changeset/quick-poems-cover.md

@backstage/plugin-search-backend-module-catalog

@backstage/plugin-search-backend-module-catalog
minor

BREAKING: Removed support for the old backend system. Please migrate to the new backend system and enable the catalog collator there.

As part of this, the /alpha export path is gone too. Just import the module from the root of the package as usual instead.