Video Upload to YouTube and Vimeo using Theme Component

I didn’t try since then.

This seems to be broken as of now for YouTube uploads.
idpiframe_initialization_failed

{
  "error": "idpiframe_initialization_failed"
  "details": "You have created a new client application that uses libraries for user authentication or authorization that are deprecated. New clients must use the new libraries instead. See the [Migration Guide](https://developers.google.com/identity/gsi/web/guides/gis-migration) for more information."
}

And the Migration Guide they link to which states

Google Sign-In JavaScript platform library for Web is set to be deprecated after March 31, 2023. For more details, see the authentication and authorization deprecation announcements. For more information, please see Deprecation and Sunset page.