It does build on Linux distros as well. There’s already a package on the AUR for instance: https://aur.archlinux.org/ladybird-git.git
No.
No headphone jack, no buy. It’s not a question of whether a headphone jack is useful to you, it’s just the principle of it - there’s no good reason to remove it (especially for the asking price of FP5), and more importantly, it goes against what the Fairphone stands for, IMO. I can understand if it were some other profit-driven company making a shrewd business decision, but for Fairphone to do it, seems very unfair to me.
Just use Termux and install the openssh package. You can also install mosh, which is better than vanilla ssh.
That’s a shame. I hope someone continues a fork and calls it Shinyaku Toaru.