Update changelog.

4bf6a29b · Stefan Behnel · f7ca5efb · 4bf6a29b
Commit 4bf6a29b authored May 18, 2020 by Stefan Behnel
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@@ -16,6 +16,10 @@ Bugs fixed
 * Error handling in ``cython.array`` creation was improved to avoid calling
  C-API functions with an error held.

+* A memory corruption was fixed when garbage collection was triggered during calls
+  to ``PyType_Ready()`` of extension type subclasses.
+  (Github issue #3603)
+
 * Memory view slicing generated unused error handling code which could negatively
  impact the C compiler optimisations for parallel OpenMP code etc.  Also, it is
  now helped by static branch hints.