What's Changed

• Added support for $ifNull multi field support, $isNumber, $isArray by @David-Taub in https://github.com/mongomock/mongomock/pull/749
• Add read_concern kwarg to get_database. by @pcorpet in https://github.com/mongomock/mongomock/pull/790
• Add support for $isNumber and $isArray (added on v4.4). by @pcorpet in https://github.com/mongomock/mongomock/pull/789
• Support date timezone by @kepricon in https://github.com/mongomock/mongomock/pull/791
• Adding support for $dateFromParts aggregation command by @maximkir-fl in https://github.com/mongomock/mongomock/pull/796
• Improve field validation for documents by @plaan in https://github.com/mongomock/mongomock/pull/769
• Use importlib.metadata.version instead of deprecated pkg_resources call by @ml-evs in https://github.com/mongomock/mongomock/pull/834
• Modernize project infrastructure by @mdomke in https://github.com/mongomock/mongomock/pull/876
  • Switch to hatch as build system.
  • Switch to PEP 621 compliant project setup.
  • Updated the license to ISC.
  • The setuptools specific files e.g. setup.cfg and setup.py have been removed in the scope of the switch to hatch.
  • Remove support for deprecated Python versions (everything prior to 3.8)
  • Switch to GitHub Actions as CI/CD solution

What happened to the 4.1.3 release

The previous CI/CD solution (Travis CI) was refusing to run the publish pipelines due to usage quota issues.

New Contributors

• @David-Taub made their first contribution in https://github.com/mongomock/mongomock/pull/749
• @kepricon made their first contribution in https://github.com/mongomock/mongomock/pull/791
• @maximkir-fl made their first contribution in https://github.com/mongomock/mongomock/pull/796
• @plaan made their first contribution in https://github.com/mongomock/mongomock/pull/769

Full Changelog: https://github.com/mongomock/mongomock/compare/4.1.2...4.2.0-post.1