Is it only my x11 that does this? (Window shows before maximize+render)

I have an app that starts in fullscreen. With SDL2 there’s no problem. With SDL3 using the current github code (6f3d0b3cdb38f89f86a31e2dcb05ffc02cb262f4) I can see the window start up for a few ms (between 100-200). I’m 90% sure this is related to x11 and video drivers starting up. Does this happen to anyone else or just me?

With that said, I’m going to give 3 a try in my codebase