diff --git a/config/cmake/hdf5-config.cmake.in b/config/cmake/hdf5-config.cmake.in
index 2f8f673ca1b..ae6a45a8bdb 100644
--- a/config/cmake/hdf5-config.cmake.in
+++ b/config/cmake/hdf5-config.cmake.in
@@ -44,6 +44,7 @@ set (${HDF5_PACKAGE_NAME}_ENABLE_PLUGIN_SUPPORT @HDF5_ENABLE_PLUGIN_SUPPORT@)
 set (${HDF5_PACKAGE_NAME}_ENABLE_Z_LIB_SUPPORT @HDF5_ENABLE_Z_LIB_SUPPORT@)
 set (${HDF5_PACKAGE_NAME}_ENABLE_SZIP_SUPPORT  @HDF5_ENABLE_SZIP_SUPPORT@)
 set (${HDF5_PACKAGE_NAME}_ENABLE_SZIP_ENCODING @HDF5_ENABLE_SZIP_ENCODING@)
+set (${HDF5_PACKAGE_NAME}_ENABLE_ROS3_VFD      @HDF5_ENABLE_ROS3_VFD@)
 set (${HDF5_PACKAGE_NAME}_BUILD_SHARED_LIBS    @H5_ENABLE_SHARED_LIB@)
 set (${HDF5_PACKAGE_NAME}_BUILD_STATIC_LIBS    @H5_ENABLE_STATIC_LIB@)
 set (${HDF5_PACKAGE_NAME}_PACKAGE_EXTLIBS      @HDF5_PACKAGE_EXTLIBS@)
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 9fa590a199c..02001e4b501 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -163,6 +163,9 @@ New Features
 
       See the CMakeFilters.cmake and config/cmake/cacheinit.cmake files for usage.
 
+    - Added the CMake variable HDF5_ENABLE_ROS3_VFD to the HDF5 CMake config
+      file hdf5-config.cmake. This allows to easily detect if the library
+      has been build with or without read-only S3 functionality.
 
     Library:
     --------