Missing minimize Button

[PreciousWarrior]

Describe the bug
Missing minimize button

To Reproduce
Steps to reproduce the behavior:

1. Install FlyingFox

Screenshots

Firefox Version:
88.0.1

Other info
Minimize button works well on other QT and GTK apps
Manjaro Linux (KDE Plasma)
I have a few firefox flags changed, perhaps thats causing the problem?

[akshat46]

That's weird. Could you tell which flags you've changed? I'll try to recreate it on 88 in a few hours and let you know the fix if I can find one.