-VK_EXT_color_write_enable on lavapipe
-GL_ARB_texture_filter_anisotropic in llvmpipe
-Anisotropic texture filtering in lavapipe
-VK_EXT_shader_atomic_float2 on Intel and RADV.
-VK_EXT_vertex_input_dynamic_state on RADV.
-VK_KHR_timeline_semaphore on lavapipe
-VK_EXT_external_memory_host on lavapipe
-GL_AMD_pinned_memory on llvmpipe
-GL 4.5 compatibility on llvmpipe
-VK_EXT_primitive_topology_list_restart on RADV and lavapipe.
-ES 3.2 on zink
-VK_KHR_depth_stencil_resolve on lavapipe
-VK_KHR_shader_integer_dot_product on RADV.
-OpenGL FP16 support on llvmpipe
-VK_KHR_shader_float16_int8 on lavapipe
-VK_KHR_shader_subgroup_extended_types on lavapipe
-VK_KHR_spirv_1_4 on lavapipe
-Experimental raytracing support on RADV
-VK_KHR_synchronization2 on Intel
-NGG shader based culling is now enabled by default on GFX10.3 on RADV.
-VK_KHR_maintenance4 on RADV
-VK_KHR_format_feature_flags2 on RADV.
-EGL_EXT_present_opaque on wayland