If set to "0" then never set the top-most flag on an SDL Window even if the application requests it.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_WINDOW_ALLOW_TOPMOST "SDL_WINDOW_ALLOW_TOPMOST"
This is a debugging aid for developers and not expected to be used by end users.
The variable can be set to the following values:
This hint can be set anytime.
This hint is available since SDL 3.1.3.