Update history

timsavage · timsavage · commit 55eb8aea46fe · 2023-03-07T11:14:34.000+11:00
diff --git a/HISTORY b/HISTORY
@@ -12,6 +12,9 @@ Changes
 
 - Migrate from pkg_resources to the standardised builtin importlib.metadata.
 
+- Fix for handling events/callbacks on classes where the parent has __slots__ defined.
+
+
 4.11.0
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