diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14e63da0c..f1eed1eaa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,7 @@ if (BUILD_SDF)
   gz_configure_project(
     NO_PROJECT_PREFIX
     REPLACE_INCLUDE_PATH sdf
-    VERSION_SUFFIX pre2)
+    VERSION_SUFFIX)
 
   #################################################
   # Find tinyxml2.
diff --git a/Changelog.md b/Changelog.md
index 246b22eab..211119ff2 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,9 +1,15 @@
 ## libsdformat 15.X
 
-### libsdformat 15.0.0 (2024-09-XX)
+### libsdformat 15.0.0 (2024-09-25)
 
 1. **Baseline:** this includes all changes from 14.5.0 and earlier.
 
+1. Use colcon for Windows building compilation
+    * [Pull request #1481](https://github.com/gazebosim/sdformat/pull/1481)
+
+1. Spec 1.12: link_state, joint_state changes
+    * [Pull request #1461](https://github.com/gazebosim/sdformat/pull/1461)
+
 1. Fix symbol checking test when compiled with debug symbols
     * [Pull request #1474](https://github.com/gazebosim/sdformat/pull/1474)