Core and Builtins
-----------------
+ - Issue #22604: Fix assertion error in debug mode when dividing a complex
+ number by (nan+0j).
+
+- Issue #20152: Convert the array module to Argument Clinic.
+
+- Issue #21052: Do not raise ImportWarning when sys.path_hooks or sys.meta_path
+ are set to None.
+
+- Issue #16518: Use 'bytes-like object required' in error messages that
+ previously used the far more cryptic "'x' does not support the buffer
+ protocol.
+
- Issue #22470: Fixed integer overflow issues in "backslashreplace",
"xmlcharrefreplace", and "surrogatepass" error handlers.