==================
Bugfixes
--------
* `1510 <https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1510>`_ Problems with zero time values
* `1588 <https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1588>`_ Not possible to correctly convert excel dates to timedelta
* `1589 <https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1589>`_ Exception raised when merging cells which do not have borders all the way round.
* `1594 <https://foss.heptapod.net/openpyxl/openpyxl/-/issues/1594>`_ Python 2 print statement in the tutorial
Pull Requests
-------------
* `PR392 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/392/>`_ Add documentation on datetime handling
* `PR393 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/393/>`_ Drop dependency on jdcal
* `PR394 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/394/>`_ Datetime rounding
* `PR395 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/395/>`_ Unify handling of 1900 epoch
* `PR397 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/397/>`_ Add explicit support for reading datetime deltas
* `PR399 <https://foss.heptapod.net/openpyxl/openpyxl/-/merge_requests/399/>`_ Millisecond precision for datetimes