Long live Firefox and high praises to all those who develop, maintain and package it.
Release notes: “Firefox now defaults to the Wayland compositor […] It is also a known issue that windows are not correctly placed when restoring a previous session on launch.” I had been led to believe that one of Wayland’s strength was solving the correct window coordinates save-and-restore problem. Does someone know what happened here?


Dude come on. Make an effort. If you really haven’t a clue then start by reading the KDE developer’s blog “Pointiest Stick” and github user Probonopd and his article + links https://gist.github.com/probonopd/9feb7c20257af5dd915e3a9f2d1f2277