mention importlib fix in release notes

WolfgangWaltenberger · WolfgangWaltenberger · commit ce58a1f66477 · 2022-04-06T17:31:03.000+02:00
diff --git a/ReleaseNotes b/ReleaseNotes
@@ -1,3 +1,8 @@
+Release v2.2.0.post1, Mon 4 April 2022
+=======================================================
+
+  * removed dependency on importlib.metadata to make it work with python <= 3.7
+
 Release v2.2.0, Wed 30 March 2022
 =======================================================
 
diff --git a/docs/manual/source/ReleaseUpdate.rst b/docs/manual/source/ReleaseUpdate.rst
@@ -37,6 +37,11 @@ What's New
 ==========
 The major novelties of all releases since v1.0 are as follows:
 
+New in Version 2.2.0.post1:
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+  * removed dependency on importlib.metadata to make it work with python <= 3.7
+
 New in Version 2.2.0:
 ^^^^^^^^^^^^^^^^^^^^^
 
