diff --git a/.changeset/silent-camels-walk.md b/.changeset/silent-camels-walk.md
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+---
+'@backstage/plugin-catalog-react': patch
+---
+
+Added utilities for converting existing entity card and content extensions to the new frontend system. This is in particular useful when used in combination with the new `convertLegacyPlugin` utility from `@backstage/core-compat-api`.
diff --git a/.changeset/thirty-balloons-end.md b/.changeset/thirty-balloons-end.md
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+---
+'@backstage/core-compat-api': patch
+---
+
+Added new utilities for converting legacy plugins and extensions to the new system. The `convertLegacyPlugin` option will convert an existing plugin to the new system, although you need to supply extensions for the plugin yourself. To help out with this, there is also a new `convertLegacyPageExtension` which converts an existing page extension to the new system.