I have noticed an issue when navigating to “admin.shopify.com/store/.../themes/current/editor”. “current” does not seem to change when e.g. publishing another theme. So it will redirect you to the same theme every time. This is especially a problem when the old theme no longer exists because it was deleted. Shopify will still use its theme id and try to send you to the theme editor with it, which of course results in an error (theme not found).
This happens with every app i’ve tried that uses deep links for app block / embed activation, so it must be a bug.
Thanks a lot in advance!