Upgrading astropy 5 to 6

Longitude and Latitude can no longer be initialized with strings ending in N/S or E/W respectively.

Changes the default copy argument in CylindricalDifferential.__init__ from False to True.

Removes the parallel fast-reader parser for ASCII files and the parallel key in the fast_reader argument.

Removes deprecated ConfigurationMissingWarning class and update_default_config function with no replacements.

Adds base KernelError class and removes DiscretizationError class; a ValueError is raised instead.

Removes deprecated angle parsing and formatting utilities from angle_utilities; use angle_formats instead.

Initializing Angle or Longitude from a tuple is no longer supported.

Low-level coordinate-frame transform_to() no longer accepts frame classes, only frame instances; SkyCoord.transform_to() is unaffected.

Removes support for importing private constants and functions from astropy.cosmology.flrw.

Removes deprecated Cosmology Parameter argument fmt.

Removes deprecated vectorize_if_needed and inf_like from cosmology.utils.

Removes deprecated import paths from astropy.cosmology.core.

Removes deprecated get_cosmology_from_string class method in default_cosmology; use get instead.

Removes special handling of TCTYP TCUNI TCRPX TCRVL TCDLT TRPOS FITS keywords.

Removes deprecated astropy.io.misc.asdf subpackage; use the asdf-astropy package instead.

Removes deprecated pedantic option from votable parse() and its configuration setting; use verify instead.

Renames astropy.io.votable.tree.Table to TableElement to avoid sharing the name with astropy.table.Table.

Removes support for version='1.0' in VOTableFile__init__(), which now raises ValueError instead of DeprecationWarning.

Removes the AliasDict class from modeling.utils.

Removes deprecated _model_to_fit_params and _fitter_to_model_params from fitting.py.

BoxLeastSquares, BoxLeastSquaresResults and LombScargle are no longer available from astropy.stats, only from astropy.timeseries.

Removes the deprecated midpoint_epoch argument from the fold function; use epoch_time instead.

Under numpy 2.0, Quantity and subclasses no longer support .ptp(), .newbyteorder() or .itemset().

Removes deprecated littleh unit, with_H0 equivalency, brightness_temperature argument swapping and PhysicalType str methods.

Removes deprecated OrderedDescriptor, OrderedDescriptorContainer and set_locale from astropy.utils.misc.

Removes the deprecated version_path argument from the minversion function.

WCSAxes.draw() no longer accepts any keyword arguments.

Removes the deprecated accuracy argument from WCS.all_world2pix; use tolerance instead.

NoConvergence no longer accepts arbitrary keyword arguments.

Cosmology and its subclasses are now frozen dataclass objects.

Makes the verbose argument of z_at_value keyword-only.

Invalid kernel arithmetic operations now raise KernelArithmeticError instead of a bare Exception.

discretize_model now raises ValueError if mode='oversample' and factor does not have an integer value.

Removes deprecated astropy.io.ascii.tests.common.raises test helper; use pytest.raises instead.

Creating a model instance with parameters of incompatible shapes now raises ValueError rather than IncompatibleShapeError.

Removes deprecated deprecation, warning, and exception handling functionality from astropy.tests.helper.

Changes the TimeDelta init signature to match Time, with keyword-only arguments after the format and scale parameters.

Updates bundled WCSLIB to 8.2.2, fixing character buffer overflows in wcshdo() comment strings and generic coordinate formatting.

Bumps the minimal optional matplotlib requirement to 3.5.0, the oldest version supporting Python 3.10.

Updates the minimum supported Python version to 3.10.

Deprecates show_in_notebook, recommending dedicated Jupyter ecosystem tools for interactive notebook plots.

Deprecates show_in_browser pending community feedback.

Deprecates TableColumns.setdefault() and TableColumns.update() because they can corrupt the attached Table.

Deprecates Time.ptp in favor of np.ptp following removal of np.ndarray.ptp in NumPy v2.

Deprecates importing ErfaError and ErfaWarning from astropy.utils.exceptions; import them from erfa instead.

Deprecates introspection.isinstancemethod() and introspection.find_mod_objs().

Deprecates astropy.utils.console.terminal_size in favor of shutil.get_terminal_size.

Deprecates indent() in favor of textwrap.indent() from the Python standard library.

Renames min_cut and max_cut keywords in simple_norm and fits2bitmap to vmin and vmax; old names are deprecated.

Deprecates the private module astropy.cosmology.utils.

Deprecates several astropy.io.ascii arguments, renaming or scheduling removal of Reader, Inputter, Outputter, Writer.

Deprecates _ExtensionHDU and _NonstandardExtHDU in favor of ExtensionHDU and NonstandardExtHDU.

Renames and deprecates TableHDU.update to TableHDU.update_header for consistency with ImageHDU.

Deprecates fnunpickle and fnpickle because they are unused within astropy.

Deprecates astropy.tests.command.FixRemoteDataOption and astropy.tests.command.AstropyTest after sunsetting astropy-helpers.

Deprecates is_path_hidden() and walk_skip_hidden().

Deprecates the bboxes, ticklabels_bbox and tick_out_size arguments to TickLabels.draw(), which now have no effect.

Deprecates the exp attribute in LogStretch, InvertedLogStretch, PowerDistStretch and InvertedPowerDistStretch, and power in PowerStretch; use a instead.