v2.0.0-beta6

Enhancements

• Breaking: the minimum Python version has been bumped to 3.7 #444

• Support generating Pydantic dataclasses. Pydantic dataclasses are are drop-in replacement for dataclasses in the standard library that additionally supports validation.
  Pass --python_betterproto_opt=pydantic_dataclasses to enable this feature. Refer to #406 and README.md for more information.

• Added support for @generated marker #382

• Pull down the include_default_values argument to to_json() #405

• Pythonize input_type name in py_input_message #436

• Widen from_dict() to accept any Mapping #451

• Replace pkg_resources with importlib #462

Bug Fixes

• Fix typechecker compatibility checks in server streaming methods #413
• Fix "empty-valued" repeated fields not being serialised #417
• Fix dict encoding for timezone-aware datetimes #468
• Fix to_pydict() serialization for optional fields #495
• Handle empty value objects properly #481

Thank you to all the contributors to this release and everyone for being so patient with its release.

New Contributors

• @anriha made their first contribution in #382
• @SamuelYvon made their first contribution in #405
• @sterliakov made their first contribution in #417
• @wouterh made their first contribution in #436
• @MarekPikula made their first contribution in #474
• @semicolonTransistor made their first contribution in #468
• @pi-slh made their first contribution in #462
• @nickderobertis made their first contribution in #495
• @Sriansh-raj made their first contribution in #502
• @a-khabarov made their first contribution in #498
• @hf-kklein made their first contribution in #445
• @olijeffers0n made their first contribution in #481
• @ashwin153 made their first contribution in #500

Full Changelog: v2.0.0b5...v.2.0.0b6