v1.4.0

Added

• Experimental support for Python 3.11 (#731)
• Accept PathLike objects in StacIO I/O methods, pystac.read_file and pystac.write_file (#728)
• Support for Storage Extension (#745)
• Optional StacIO instance as argument to Catalog.save/Catalog.normalize_and_save (#751)
• More thorough docstrings for pystac.utils functions and classes (#735)

Changed

• Label Extension version updated to v1.0.1 (#726)
• Option to filter by media_type in STACObject.get_links and STACObject.get_single_link
  (#704)

Fixed

• Self links no longer included in Items for "relative published" catalogs (#725)
• Adding New and Custom Extensions tutorial now up-to-date with new extensions API (#724)
• Clarify error message when using PropertyExtension.ext(..., add_if_missing=True) on an Asset
  with no owner (#746)
• Type errors when initializing TemporalExtent using a list of datetime objects (#744)

Thanks to @fnattino & @mneagul for your contributions!