Making sure updates didn’t break anything

You can use updraft backup it’s free plugin.
It will make backup before updating.

Problem is if your auto update didn’t copy all wp-core files (this happen) and you don’t have access to home and ssh you are not able to fix that. Even with backup.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)