diff --git a/.changeset/loud-forks-teach.md b/.changeset/loud-forks-teach.md
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+---
+'@backstage/frontend-test-utils': patch
+---
+
+Internal update to use and throw app errors.
diff --git a/.changeset/puny-tires-fold.md b/.changeset/puny-tires-fold.md
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+---
+'@backstage/frontend-app-api': minor
+---
+
+The `createSpecializedApp` no longer throws when encountering many common errors when starting up the app. It will instead return them through the `errors` property so that they can be handled more gracefully in the app.
diff --git a/.changeset/silver-baboons-ring.md b/.changeset/silver-baboons-ring.md
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+---
+'@backstage/frontend-defaults': patch
+---
+
+The default app now leverages the new error reporting functionality from `@backstage/frontend-app-api`. If there are critical errors during startup, an error screen that shows a summary of all errors will now be shown, rather than leaving the screen blank. Other errors will be logged as warnings in the console.