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* Skyfield’s internal table for the ∆T Earth orientation parameter has
been updated, so that instead of including measurements only through
December 2021 it now knows Earth orientation through September 2022.
* Distance and velocity objects can now be created by calling their unit
names as constructors, like ``d = Distance.km(5.0)`` and
``v = Velocity.km_per_s(0.343)``.
* Updated the URL from which the Hipparcos database ``hip_main.dat`` is
downloaded, following a change in the domain for the University of
Strasbourg from ``u-strasbg.fr`` to ``unistra.fr``.