Note deprecated messages in std_msgs

Signed-off-by: Tully Foote <[email protected]>

source/Releases/Release-Foxy-Fitzroy.rst

@@ -227,6 +227,44 @@ Tools timestamp messages using ROS time
 
 Related pull request: https://github.com/ros2/rviz/pull/519
 
+std_msgs
+^^^^^^^^
+
+Deprecation of messages
+"""""""""""""""""""""""
+
+Although discouraged for a long time we have officially deprecated the following messages in `std_msgs`.
+There are copies in `example_interfaces <https://index.ros.org/p/example_interfaces>`_
+
+- std_msgs/msg/Bool
+- std_msgs/msg/Byte
+- std_msgs/msg/ByteMultiArray
+- std_msgs/msg/Char
+- std_msgs/msg/Float32
+- std_msgs/msg/Float32MultiArray
+- std_msgs/msg/Float64
+- std_msgs/msg/Float64MultiArray
+- std_msgs/msg/Int16
+- std_msgs/msg/Int16MultiArray
+- std_msgs/msg/Int32
+- std_msgs/msg/Int32MultiArray
+- std_msgs/msg/Int64
+- std_msgs/msg/Int64MultiArray
+- std_msgs/msg/Int8
+- std_msgs/msg/Int8MultiArray
+- std_msgs/msg/MultiArrayDimension
+- std_msgs/msg/MultiArrayLayout
+- std_msgs/msg/String
+- std_msgs/msg/UInt16
+- std_msgs/msg/UInt16MultiArray
+- std_msgs/msg/UInt32
+- std_msgs/msg/UInt32MultiArray
+- std_msgs/msg/UInt64
+- std_msgs/msg/UInt64MultiArray
+- std_msgs/msg/UInt8
+- std_msgs/msg/UInt8MultiArray
+
+
 Timeline before the release
 ---------------------------