GL 3.1:
-GLSL 1.40 not started
+GLSL 1.40 needs UBOs (in progress)
+Forward compatibile context support/deprecations not started
Instanced drawing (GL_ARB_draw_instanced) DONE (i965, gallium, swrast)
Buffer copying (GL_ARB_copy_buffer) DONE (i965, r300, r600, swrast)
-Primitive restart (GL_NV_primitive_restart) DONE (r600)
+Primitive restart (GL_NV_primitive_restart) DONE (i965, r600)
16 vertex texture image units DONE
Texture buffer objs (GL_ARB_texture_buffer_object) needs GL3.1 enabling (i965)
Rectangular textures (GL_ARB_texture_rectangle) DONE (i965, r300, r600, swrast)
GL 3.3:
-GLSL 3.30 not started
-GL_ARB_blend_func_extended DONE (r600, softpipe)
+GLSL 3.30 new features in this version pretty much done
+GL_ARB_blend_func_extended DONE (i965, r600, softpipe)
GL_ARB_explicit_attrib_location DONE (i915, i965, r300, r600, swrast)
GL_ARB_occlusion_query2 DONE (r300, r600, swrast)
GL_ARB_sampler_objects DONE (i965, r300, r600)
+GL_ARB_shader_bit_encoding DONE
GL_ARB_texture_rgb10_a2ui DONE (r600)
GL_ARB_texture_swizzle DONE (same as EXT version) (i965, r300, r600, swrast)
-GL_ARB_timer_query ~60% done (the EXT variant)
-GL_ARB_instanced_arrays DONE (r300, r600)
+GL_ARB_timer_query DONE
+GL_ARB_instanced_arrays DONE (i965, r300, r600)
GL_ARB_vertex_type_2_10_10_10_rev DONE (r600)
GLSL 4.0 not started
GL_ARB_texture_query_lod not started
-GL_ARB_draw_buffers_blend DONE (r600, softpipe)
+GL_ARB_draw_buffers_blend DONE (i965, r600, softpipe)
GL_ARB_draw_indirect not started
+GL_ARB_gpu_shader5 not started
GL_ARB_gpu_shader_fp64 not started
GL_ARB_sample_shading not started
GL_ARB_shader_subroutine not started
GL_ARB_texture_cube_map_array not started
GL_ARB_texture_gather not started
GL_ARB_transform_feedback2 DONE
-GL_ARB_transform_feedback3 not started
+GL_ARB_transform_feedback3 DONE
GL 4.1:
GL 4.2:
+
GLSL 4.2 not started
GL_ARB_texture_compression_bptc not started
GL_ARB_compressed_texture_pixel_storage not started
GL_ARB_shader_atomic_counters not started
GL_ARB_texture_storage DONE (r300, r600, swrast)
-GL_ARB_transform_feedback_instanced not started
-GL_ARB_base_instance not started
+GL_ARB_transform_feedback_instanced DONE
+GL_ARB_base_instance DONE (nv50, nvc0, r600, radeonsi)
GL_ARB_shader_image_load_store not started
GL_ARB_conservative_depth DONE (softpipe)
GL_ARB_shading_language_420pack not started