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Migrating from 3.x to 4.0.0b1
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.. note::
    Migrate from the latest 3.x release to 4.0.0b1.


Backup database and files
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BACKUP. YOUR. DATABASE. AND. FILES.


What's new?
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 - Updated Devilry from Python 2.7 to Python 3.6


Update devilry to 4.0.0b1
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Update the devilry version to ``4.0.0b1`` as described in :doc:`../update`.