diff --git a/rmw_fastrtps_cpp/CHANGELOG.rst b/rmw_fastrtps_cpp/CHANGELOG.rst
index fede57e0..ad4d718d 100644
--- a/rmw_fastrtps_cpp/CHANGELOG.rst
+++ b/rmw_fastrtps_cpp/CHANGELOG.rst
@@ -2,6 +2,9 @@
 Changelog for package rmw_fastrtps_cpp
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Forthcoming
+-----------
+
 9.0.3 (2024-11-20)
 ------------------
 
diff --git a/rmw_fastrtps_dynamic_cpp/CHANGELOG.rst b/rmw_fastrtps_dynamic_cpp/CHANGELOG.rst
index 4f1cf6f1..a93dd4e7 100644
--- a/rmw_fastrtps_dynamic_cpp/CHANGELOG.rst
+++ b/rmw_fastrtps_dynamic_cpp/CHANGELOG.rst
@@ -2,6 +2,9 @@
 Changelog for package rmw_fastrtps_dynamic_cpp
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Forthcoming
+-----------
+
 9.0.3 (2024-11-20)
 ------------------
 
diff --git a/rmw_fastrtps_shared_cpp/CHANGELOG.rst b/rmw_fastrtps_shared_cpp/CHANGELOG.rst
index a8330b71..9ccef3ff 100644
--- a/rmw_fastrtps_shared_cpp/CHANGELOG.rst
+++ b/rmw_fastrtps_shared_cpp/CHANGELOG.rst
@@ -2,6 +2,11 @@
 Changelog for package rmw_fastrtps_shared_cpp
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+Forthcoming
+-----------
+* Drop support for float128. (`#788 <https://github.com/ros2/rmw_fastrtps/issues/788>`_)
+* Contributors: Chris Lalancette
+
 9.0.3 (2024-11-20)
 ------------------
 * Keep reference to `DomainParticipantFactory` (`#770 <https://github.com/ros2/rmw_fastrtps/issues/770>`_)