@goik You will need to have the plugin call await user.email.confirmByUid(uid); when the account is created. But a different question -- do you need to have the account confirmed? By default privileges are set up so that both confirmed and unconfirmed accounts can post new topic/replies, etc., so there is no functional difference except that outgoing emails won't be sent to unconfirmed emails. If it's merely to "check a box", then maybe it is ok to just not confirm any emails. Might be the plugin needs updating to auto-confirm email addresses.

I found https://community.nodebb.org/topic/10026/nodebb-plugin-write-api-failing-to-load-admin-page solving the issue.

I'd like to allow for configuring notifications on category level. Is the nodebb-plugin-category-notifications the only option to achieve this? Installing + activation works on my otherwise flawless Nodebb 1.10.1 installation. However hitting Dashboard --> Plugins --> Category Notifications just endlessly shows a spinner. I've filed an issue at https://github.com/NodeBB/nodebb-plugin-category-notifications/issues/9 but received yet no reply. For clarification: Users should receive notifications whenever a new post / reply appears within a given category. Happy to see an other way achieving this.

Thanks for the super fast reply!