ThyTTY

Right click on the toolbar, select “customize toolbar” and at the bottom left corner check “title bar”. Or in about:config type 0 for browser.tabs.inTitlebar

Correct, SVG is the way. You can easily export it in Android Studio to make a mipmap launcher app with dynamic shape. I can help with configuring that if needed, but once the desired icon is found

I do not know any program like that but what worked for me was creating another user account that had no access to lots of stuff.

No thanks

MS has been using Linux on their servers for years

Where can I find beforehand which laptop supports S3? Are there any know brands that do?

You are right but also assume people care about that. Lots of time open sourcing your project is a way to collaborate with others, build a portfolio or just for fun. It’s not a statement.

I believe OpenSUSE uses something called “meta” packages that contain a bunch of other packages. For example if there’s games-meta package it will fetch a bunch of games and during update it may try to install them again. Search through installed packages and see if you have any meta ones.