Signal’s desktop app is as horrendously unusably bad as the project as a whole is good, tbh.
It’s no wonder people prefer stuff like Telegram. It has native apps and all. Or can be used in a browser. Meanwhile Signal is only used in a browser, but you have to download it and it fucks up font scaling and it shits the bed on font antialiasing and it can’t even get UI design consistent with the OS it’s running on and it won’t even use the OS emoji font.
Let’s not even mention how you still cannot use Signal on a tablet.