Nextcloud Services - add Android Notifications without Google Play

That’s not a good choice, it WILL drain your battery (works through polling, not push).
And no, the push proxy does NOT use gitlab as a proxy, it uses YOUR SERVER. Gitlab is a source code hosting repository.

My previous post was flagged “by the community”. Since I cannot see a reason for flagging, I will continue testing Direct-Push Proxy v2 (GitLab source) after admins clarify the situation to avoid posts from my side which are against community guidelines.

Its because of your claim that it used gitlab as a proxy, which is patently false.