- Update to 1.4.1:
* Fix incompatibilities between cloudpickle 1.4.0 and Python 3.5.0/1/2 introduced by the new support of cloudpickle for pickling typing constructs. (issue #360)
* Restore compat with loading dynamic classes pickled with cloudpickle version 1.2.1 that would reference the types.ClassType attribute. (PR #359)
* This version requires Python 3.5 or later
* cloudpickle can now all pickle all constructs from the typing module and the typing_extensions library in Python 3.5+ (PR #318)
* Stop pickling the annotations of a dynamic class for Python < 3.6 (follow up on #276) (issue #347)
* Fix a bug affecting the pickling of dynamic TypeVar instances on Python 3.7+, and expand the support for pickling TypeVar instances (dynamic or non-dynamic) to Python 3.5-3.6 (PR #350)
* Add support for pickling dynamic classes subclassing typing.Generic instances on Python 3.7+ (PR #351)