I have no idea why open source projects would want to use illustrations with this big tech corporate artstyle in their apps and documetation pages.

They seem to get them from https://undraw.co

Attempting to resize the system partition without backing the system up first (right after I spent the whole day setting everything up). Gparted failed, the system did not boot any more so I had to stay up the night to redo the whole setup. No personal data loss since the system was fresh, though.

Since I got into Linux via virtual machines and Raspberry Pi before using it as my daily driver, I made most of my stupid beginner mistakes (like changing permissions on systen files) where it did not really matter.

Deej-Ai is pretty cool. It uses a model based on scraped Spotify data and can automatically generate playlists. https://deej-ai.online

Plus how would you want to exploit a F-Droid SQL injection vulnerability in the search bar?

AFAIK you cannot trigger searches using URLs, so the user would have to type/paste the SQL into the search field themselves to mess up their database.