New Install 27.0.2 on PHP8.1 Archlinux, APCu fails, .well-known warnings

[SchBenedikt]

This guide has helped both us and others multiple times:

Resolve "/.well-known/caldav"

Your web server is not properly configured to resolve “/.well-known/something. Hello @plantarum There may be different variants here, but we use these to solve the problem: We create with sudo nano /etc/apache2/sites-enabled/000-default-le-ssl.conf A new config file and add the following content: <IfModule mod_headers.c> Header always set Strict-Transport-Security "max-age=15552000; includeSubDomains; strict-origin; preload" Redirect 301 /.well-known/carddav /nextcloud/remote.php/dav …

PS: Since all IP addresses are now public in your config file, everyone can see them.
Maybe you want to remove them?