updated with new extension info
diff --git a/docs/RELNOTES-5.1 b/docs/RELNOTES-5.1
index d720ba8..035d027 100644
--- a/docs/RELNOTES-5.1
+++ b/docs/RELNOTES-5.1
@@ -66,6 +66,13 @@
GL_ARB_texture_non_power_of_two
Removes the restriction that texture dimensions must be powers of two.
+GL_ARB_vertex_buffer_object
+ Allows server-side vertex arrays, optimized host/card data transfers, etc.
+
+GL_ARB_point_sprite
+ ARB-approved version of GL_NV_point_sprite. Basically allows textures
+ to be applied to points.
+
GL_IBM_multimode_draw_arrays
Allows multiple vertex arrays to be drawn with one call, including arrays
of different types of primitives.
@@ -74,6 +81,12 @@
An alias for GL_EXT_multi_draw_arrays, standard in OpenGL 1.4.
+With the addition of GL_ARB_occlusion_query, GL_ARB_vertex_buffer_object,
+GL_ARB_texture_non_power_of_two and GL_EXT_shadow_funcs, Mesa 5.1 supports
+all the new features of OpenGL 1.5. Mesa 6.0 (the next stable release)
+will advertise GL_VERSION = "1.5".
+
+
Build System Changes
--------------------