GL_EXT_demote_to_helper_invocation on radeonsi
GL_NV_compute_shader_derivatives on radeonsi
EGL_MESA_platform_xcb
Removed GL_NV_point_sprite for classic swrast.
driconf: remove glx_disable_oml_sync_control, glx_disable_sgi_video_sync, and glx_disable_ext_buffer_age
Removed support for loading DRI drivers older than Mesa 8.0, including all DRI1 support
Add support for VK_VALVE_mutable_descriptor_type on RADV
Removed classic OSMesa in favor of the newly improved gallium OSMesa