Hi,
This is discussed before in the past, but I think it deserves another look at it..
At the CP website and in the docs we communicate that CP (version 2) supports WP themes and plugins that require WP 4.9 and below.
But users can easily install (most) themes and plugins that require up to WP 6.2.3, because CP (version 2) is based on that version. And we even inform users about this WP version in the site’s dashboard at page wp-admin/about.php.
This inconsistent info causes confusion.
I suggest changing this communication, by adding that you can install those themes and plugins, but they may contain block related features which CP doesn’t support. So it’s not recommended to do so and at your own risk.