Catalyst 13.4 are supported to be stable drivers but it appears to provide more rescent OpenGL drivers than
Catalyst 13.5 beta 2.
While Catalyst 13.5 beta 2 exposes to same features as Catalyst 13.3 beta drivers, Catalyst 13.4 provides many new OpenGL 4.3 extensions.
OpenGL 4.3 extensions exposed in Catalyst 13.4: Missing extensions in Catalyst 13.4 for a full OpenGL 4.3 support:
Mesa has also made some progress adding the support for
GL_ARB_texture_buffer_range (4.3),
GL_ARB_texture_query_lod (4.0),
GL_ARB_texture_multisample (3.2) and
GL_ARB_get_program_binary (4.1) even if for this persist case, not binary format is actually supported...
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