diff --git a/docs/features.txt b/docs/features.txt
index 2e110d99949..1672460a2f8 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -316,8 +316,8 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve
   GL_EXT_memory_object                                  DONE (radeonsi)
   GL_EXT_memory_object_fd                               DONE (radeonsi)
   GL_EXT_memory_object_win32                            not started
-  GL_EXT_semaphore                                      not started
-  GL_EXT_semaphore_fd                                   not started
+  GL_EXT_semaphore                                      DONE (radeonsi)
+  GL_EXT_semaphore_fd                                   DONE (radeonsi)
   GL_EXT_semaphore_win32                                not started
   GL_KHR_blend_equation_advanced_coherent               DONE (i965/gen9+)
   GL_KHR_texture_compression_astc_hdr                   DONE (i965/bxt)
diff --git a/docs/relnotes/18.1.0.html b/docs/relnotes/18.1.0.html
index ddacbb46563..b8a0cd0d02c 100644
--- a/docs/relnotes/18.1.0.html
+++ b/docs/relnotes/18.1.0.html
@@ -44,7 +44,8 @@ Note: some of the new features are only available with certain drivers.
 </p>
 
 <ul>
-TBD
+<li>GL_EXT_semaphore on radeonsi</li>
+<li>GL_EXT_semaphore_fd on radeonsi</li>
 </ul>
 
 <h2>Bug fixes</h2>