diff --git a/docs/relnotes/12.1.0.html b/docs/relnotes/12.1.0.html
index 096f55186f8..50d93c21b32 100644
--- a/docs/relnotes/12.1.0.html
+++ b/docs/relnotes/12.1.0.html
@@ -47,6 +47,7 @@ Note: some of the new features are only available with certain drivers.
 <li>GL_ARB_shader_group_vote on nvc0</li>
 <li>GL_ARB_ES3_1_compatibility on i965</li>
 <li>GL_EXT_window_rectangles on nv50, nvc0</li>
+<li>KHR_texture_compression_astc_sliced_3d on i965</li>
 </ul>
 
 <h2>Bug fixes</h2>