docs/relnotes/new_features.txt

   1 GL_ARB_compute_variable_group_size on Iris.
   2 VK_AMD_texture_gather_bias_lod on RADV.
   3 VK_EXT_private_data on ANV and RADV.
   4 VK_EXT_custom_border_color on RADV.
   5 VK_EXT_pipeline_creation_cache_control on RADV.
   6 VK_EXT_subgroup_size_control on RADV/ACO.
   7 VK_GOOGLE_user_type on ANV and RADV.
   8 VK_KHR_subgroup_extended_types on RADV/ACO.