- Add warnings for functions in ``marshmallow.utils`` that are removed in marshmallow 3.
Bug fixes:
- Copying ``missing`` with ``copy.copy`` or ``copy.deepcopy`` will not duplicate it (:pr:`1099`).
2.17.0
*******************
Features:
- Add ``marshmallow.__version_info__`` (:pr:`1074`). - Add warnings for API that is deprecated or changed to help users prepare for marshmallow 3 (:pr:`1075`).
2.16.3
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Bug fixes:
- Prevent memory leak when dynamically creating classes with ``type()`` (:issue:`732`). Thanks :user:`asmodehn` for writing the tests to reproduce this issue.
2.16.2
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Bug fixes:
- Prevent warning about importing from ``collections`` on Python 3.7 (:issue:`1027`). Thanks :user:`nkonin` for reporting and :user:`jmargeta` for the PR.
2.16.1
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Bug fixes:
- Remove spurious warning about implicit collection handling (:issue:`998`). Thanks :user:`lalvarezguillen` for reporting.
2.16.0
*******************
Bug fixes:
- Allow username without password in basic auth part of the url in ``fields.Url`` (:pr:`982`). Thanks user:`alefnula` for the PR.