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* Redis namespace manager now supports providing a TTL for session entries that had a ``timeout`` provided.
This will remove the need to manually clear expired sessions from the redis storage.
* ``nsscrypto`` backend is now properly identified as providing AES support.
* When a crypto backend doesn't support AES it will no longer crash if the ``encrypt_key`` is ``None``.
* Session cookies will now provide support for ``SameSite`` through the ``samesite`` option.
By default this will be ``Lax``, but can be set to ``Strict`` or ``None`` to disable it.