Huh but GPUs only support it since like 2016 or 2017. Older ones won’t be able to render GTK4?
As per https://blog.gtk.org/2024/01/28/new-renderers-for-gtk/ and https://www.phoronix.com/news/GTK-4.16-Released :
You can still use either a new OpenGL renderer or the old OpenGL renderer. This can be set with the GSK_RENDERER
environment variable (e.g. GSK_RENDERER=gl
)
I would assume it will also probably detect unsupported hardware and switch to OpenGL automatically but I don’t have any source to back this up.