Marshmallow

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Bug fixes:

- Fix treatment of dotted keys when ``unknown=INCLUDE`` (:issue:`1506`).
Thanks :user:`rbu` for reporting and thanks :user:`sirosen` for the fix (:pr:`1745`).

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Features:

- Add ``fields.IPInterface``, ``fields.IPv4Interface``, and
``IPv6Interface`` (:issue:`1733`). Thanks :user:`madeinoz67`
for the suggestion and the PR.
- Raise ``AttributeError`` for missing methods when using ``fields.Method`` (:pr:`1675`).
Thanks :user:`lassandroan`.

Other changes:

- Remove unnecessary ``hasattr`` and ``getattr`` checks in ``Field`` (:pr:`1770`).

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Deprecations:

- Passing field metadata via keyword arguments is deprecated and will be
removed in marshmallow 4 (:issue:`1350`). Use the explicit ``metadata=...``
argument instead. Thanks :user:`sirosen`.

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Bug fixes:

- Cast to mapping type in ``Mapping.serialize`` and ``Mapping.deserialize``
(:pr:`1685`).
- Fix bug letting ``Dict`` pass invalid dict on deserialization when no key or
value ``Field`` is specified (:pr:`1685`).

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Features:

- Add ``format`` argument to ``fields.Time`` and ``timeformat`` ``class Meta`` option (:issue:`686`).
Thanks :user:`BennyAlex` for the suggestion and thanks :user:`infinityxxx` for the PR.

Other changes:

- Remove usage of implicit ``typing.Optional`` (:issue:`1663`).
Thanks :user:`nadega` for the PR.

******************

Features:

- Add ``fields.IP``, ``fields.IPv4`` and ``fields.IPv6`` (:pr:`1485`). Thanks
:user:`mgetka` for the PR.

Bug fixes:

- Fix typing in ``AwareDateTime`` (:pr:`1658`). Thanks :user:`adithyabsk` for
reporting.