Core and Builtins
-----------------
+ - Issue #14420: Support the full DWORD (unsigned long) range in Py2Reg
+ when passed a REG_DWORD value. Fixes OverflowError in winreg.SetValueEx.
+
+- Issue #16597: In buffered and text IO, call close() on the underlying stream
+ if invoking flush() fails.
+
+- Issue #16722: In the bytes() constructor, try to call __bytes__ on the
+ argument before __index__.
+
- Issue #16602: When a weakref's target was part of a long deallocation
chain, the object could remain reachable through its weakref even though
its refcount had dropped to zero.