Also ich bin nochma die Aktualisierung durchgegangen. Im Friendica-Verzeichnis:

1)
git pull
remote: Enumerating objects: 22, done.
remote: Counting objects: 100% (21/21), done.
remote: Compressing objects: 100% (9/9), done.
remote: Total 22 (delta 13), reused 15 (delta 12), pack-reused 1 (from 1)
Entpacke Objekte: 100% (22/22), 20.21 KiB | 184.00 KiB/s, fertig.
Von https://github.com/friendica/friendica
2efdb1d8c1..7fb2fb4d0a develop -> origin/develop
Bereits aktuell.

2)
bin/composer.phar run install:prod
Installing dependencies from lock file
Verifying lock file contents can be installed on current platform.
Nothing to install, update or remove
Package fgrosse/phpasn1 is abandoned, you should avoid using it. No replacement was suggested.
Package web-token/jwt-core is abandoned, you should avoid using it. Use web-token/jwt-library instead.
Package web-token/jwt-key-mgmt is abandoned, you should avoid using it. Use web-token/jwt-library instead.
Package web-token/jwt-signature is abandoned, you should avoid using it. Use web-token/jwt-library instead.
Package web-token/jwt-signature-algorithm-ecdsa is abandoned, you should avoid using it. Use web-token/jwt-library instead.
Package web-token/jwt-util-ecc is abandoned, you should avoid using it. Use web-token/jwt-library instead.
Generating optimized autoload files
35 packages you are using are looking for funding.
Use the `composer fund` command to find out more!

3)
cd addon/

4)
git pull
Bereits aktuell.

Ich hatte ursprünglich für Friendica php8.4. Heute habe ich mit wirklich sehr geringer Hoffnung auf Erfolg die PHP-Version auf php8.2 heruntergestuft. Im Ergebnis: kein Unterschied.