[2020] Launcher fails to load for all PDX games [Linux]

Are you on Arch Linux, perhaps? If so this seems to be a universal problem that occurred just in the last week. My current theory is it was an Arch or Steam update that broke it.

It is being discussed over here, so you might join in the fun there!
https://forum.paradoxplaza.com/forum/threads/arch-linux-1-10-3-buildid-5874531-launcher-v2-2020-4-launcher-does-not-run-and-exits-silently.1447646/