#16307: Fix multiprocessing.Pool.map_async not calling its callbacks

Patch by Janne Karila.
diff --git a/Misc/ACKS b/Misc/ACKS
index 3ee3864..ac44ae8 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -594,6 +594,7 @@
 Peter van Kampen
 Rafe Kaplan
 Jacob Kaplan-Moss
+Janne Karila
 Per Øyvind Karlsen
 Lou Kates
 Hiroaki Kawai
diff --git a/Misc/NEWS b/Misc/NEWS
index e0a54cb..9766633 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -49,6 +49,9 @@
 Library
 -------
 
+- Issue #16307: Fix multiprocessing.Pool.map_async not calling its callbacks.
+  Patch by Janne Karila.
+
 - Issue #16250: Fix URLError invocation with proper args.
 
 - Issue #16116: Fix include and library paths to be correct when building C