

This is completely unrelated to your problem:
The calibre website recommends extremely strongly against using their software packaged by anyone else other than calibre themselves as they are often (see usually) buggy or extremely outdated.
It may be worth it to manually “install” the app from their website somewhere in your ~/.local/ and see if you have less issues using the official package.
That’s simply not true.
You CAN talk about Isreal, you can talk about Zionism, you can talk about genocide. There are however rules and nuance to what you can and cannot talk about such that the instance may maintain complaince with DACH region laws.
Permalink for more info: https://feddit.org/post/12550375