Add a modern stack for service integrations: OAuth 2.0, OpenID Connect, Federated Login (Log me in my by ... identity), "Post on my behalf" (X, Mastodon, ...), "Act as the system itself" (Github Apps etc)
Please file issues against the respective repo and assign project. Use horde/bundle for generic installer issues, horde/base if it's about the H6 tagged or branch base app under PHP 8.1/8.2/8.3. https://wiki.horde.org/Doc/Dev/H6/Developer/KnownIssues