Library
-------
-- Issue #11628: cmp_to_key generated class should use __slots__
+ - Issue #11635: Don't use polling in worker threads and processes launched by
+ concurrent.futures.
+
+- Issue #6811: Allow importlib to change a code object's co_filename attribute
+ to match the path to where the source code currently is, not where the code
+ object originally came from.
+
+- Issue #8754: Have importlib use the repr of a module name in error messages.
+
+- Issue #11591: Prevent "import site" from modifying sys.path when python
+ was started with -S.
+
+- collections.namedtuple() now adds a _source attribute to the generated
+ class. This make the source more accessible than the outdated
+ "verbose" option which prints to stdout but doesn't make the source
+ string available.
+
+- Issue #11371: Mark getopt error messages as localizable. Patch by Filip
+ GruszczyĆski.
+
+- Issue #11333: Add __slots__ to collections ABCs.
+
+- Issue #11628: cmp_to_key generated class should use __slots__.
- Issue #11666: let help() display named tuple attributes and methods
that start with a leading underscore.