diff --git a/include/etl/private/delegate_cpp11.h b/include/etl/private/delegate_cpp11.h
index ca5ea37f..346e022b 100644
--- a/include/etl/private/delegate_cpp11.h
+++ b/include/etl/private/delegate_cpp11.h
@@ -55,6 +55,7 @@ Original publication: https://www.codeproject.com/Articles/1170503/The-Impossibl
 #include "../function_traits.h"
 #include "../utility.h"
 #include "../optional.h"
+#include "../type_list.h"
 
 namespace etl
 {
@@ -119,6 +120,9 @@ namespace etl
   {
   public:
 
+    using return_type    = TReturn;
+    using argument_types = etl::type_list<TParams...>;
+
     //*************************************************************************
     /// Default constructor.
     //*************************************************************************
diff --git a/support/Release notes.txt b/support/Release notes.txt
index b15a0039..7264cd87 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -3,13 +3,8 @@
 
 Updates:
 Added 'emplace' constructor to etl::optional
-Added etl::crc8_opensafety
-Added etl::crc16_opensafety_a and etl::crc16_opensafety_b
-Added etl::crc64_iso
-Added etl::type_lists_are_convertible
-Made etl::closure constexpr for C++14
-Made invocation of delegate consrexpr for C++14
-#1132 Request: Make type_def Methods Noexcept
+Added etl::delegate_observable
+Added return_type and argument_types to etl::delegate
 #1054 Using #pragma once
 #1159 etl::fsm helper to check states id sequence at compile time
 #1160 Feature request: rounded division (similar to scaled rounding)
@@ -28,6 +23,18 @@ Pull Requests:
 #955  Implements deferred callback timer with optional priority
 #1147 Fix compile error in closure.h by using etl::forward
 
+===============================================================================
+20.42.2
+
+Updates:
+Added etl::crc8_opensafety
+Added etl::crc16_opensafety_a and etl::crc16_opensafety_b
+Added etl::crc64_iso
+Added etl::type_lists_are_convertible
+Made etl::closure constexpr for C++14
+Made invocation of delegate consrexpr for C++14
+#1132 Request: Make type_def Methods Noexcept
+
 ===============================================================================
 20.42.1
 
diff --git a/test/test_delegate.cpp b/test/test_delegate.cpp
index 302787b5..a4fdf6c8 100644
--- a/test/test_delegate.cpp
+++ b/test/test_delegate.cpp
@@ -36,6 +36,7 @@ SOFTWARE.
 #include <vector>
 #include <functional>
 #include <algorithm>
+#include <type_traits>
 
 namespace
 {
@@ -287,6 +288,18 @@ namespace
 
   SUITE(test_delegate)
   {
+    //*************************************************************************
+    TEST_FIXTURE(SetupFixture, test_delegate_types)
+    {
+      using Delegate = etl::delegate<int(float, long)>;
+
+      // Check the return type.
+      CHECK_TRUE((std::is_same<Delegate::return_type, int>::value));
+  
+      // Check the argument types.
+      CHECK_TRUE((std::is_same<Delegate::argument_types, etl::type_list<float, long>>::value));
+    }
+
     //*************************************************************************
     TEST_FIXTURE(SetupFixture, test_is_valid_false)
     {