GL 3.3:
-GLSL 3.30 not started
+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)