mpv starts with the window flickering twice

[VimWei]

After using this script, mpv starts with the window flickering twice, as if it is opening, closing, and then opening again.

[iiiGerardoiii]

Yeah this seems to be a Windows 11 thing, the window popping and disappearing is Windows Terminal right @VimWei ? Quite annoying because it used to open instantly and now I have to wait a little to open.
Also, it seems the more copies I have of mpv_thumbnail_script_server.lua, the more times it "flickers".

In this example I'm using 3 copies of mpv_thumbnail_script_server.lua:

explorer_FURcbpHjPk.mp4