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.
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_RENDERERenvironment 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.