- Update to 6.0.0
## New Features
### astropy.config
* The new ConfigNamespace.help() method provides a convenient way
to get information about configuration items. [#13499]
### astropy.coordinates
* Support has been added to create geodetic representations not
just for existing ellipsoids from ERFA, but also with
explicitly provided values, by defining a subclass of
BaseGeodeticRepresentation with the equatorial radius and
flattening assigned to _equatorial_radius and _flattening
attributes. [#14763]
* Add BaseBodycentricRepresentation, a new spheroidal
representation for bodycentric latitudes and longitudes.
[#14851]
* Support Numpy broadcasting over frame data and attributes.
[#15121]
### astropy.cosmology
* Registered a latex writer for exporting a Cosmology object to a
LaTex table. [#14701]
* Added argument rename to Cosmology’s I/O, allowing for input
and output symbols to be renamed. [#14780]
* All non-abstract Cosmology subclasses are now automatically
registered to work with Astropy’s YAML serialization. [#14979]
* Cosmology I/O now auto-identifies the ‘.tex’ suffix with the
‘ascii.latex’ format. [#15088]
* The Cosmology class now has a new property to access the
parameters of the cosmology: .parameters. This property return
a read-only dictionary of all the non-derived parameter values
on the cosmology object. When accessed from the class (not an (forwarded request 1132272 from bnavigator)