I have 152.0 installed from flatpack on Fedora Kinoite 43 (Plasma 6.6.3 / Wayland)
Maybe it's a firefox bug that was introduced somewhere after 140? idk
Maybe it's a firefox bug that was introduced somewhere after 140? idk
EDIT: Now I see you installed it via flatpak. That is also a source of endless inconsistencies and instabilities. So you should maybe try the native fedora rpm.