Godot Version
4.2 dev5
Question
I want to try to draw a custom window so that I can design my own titlebar.
Everything works fine, but I noticed there is always a translucent white rectangle shape area appears before the window show up.
Sometimes it last more than one frame, which makes me feeling uncomfortable. Is there any way to avoid it? Tried to hide the window and show it after Initialization，this still happened.
Graph is how this rectangle looks like. I just put a blue panel in the transparent borderless window.(second graph). didn’t use any code.
