This extension is also core in OpenGL 4.3 and OpenGL ES 3.2. It lets us associate a string to pretty much any object, push and pop debug groups, and lets us associate a string to pretty much any objectget a callback whenever some part of the stack wants to talk with us.
This RFC is only for textures so far, and not all of them yet, to check that all relevant drivers handle it correctly and don’t e.g. try to call `nullptr`.{F1183712}