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* New ``ispyb.sqlalchemy`` module containing `SQLAlchemy <https://www.sqlalchemy.org>`_ ORM models to interface with ISPyB
* New ``ispyb.last_data_collections_on`` command-line interface to list the most recent data collections on the given beamlines
* With the introduction of the SQLAlchemy models the existing ``ispyb.model`` has been deprecated and will not be developed further.
* Refactored XRF mapping to work at scale `122 <https://github.com/DiamondLightSource/ispyb-api/pull/122>`_
* Functions marked for deprecation in v5.0 have been removed
* Added support for Python 3.9
ISPyB API versions 5.x (2019-2021)
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