- Update to version 6.1.1
* #11091: Fix ``util.nodes.apply_source_workaround`` for ``literal_block`` nodes
with no source information in the node or the node's parents.
* Adopted the `Ruff`_ code linter.
.. _Ruff: https://github.com/charliermarsh/ruff
* #10979: gettext: Removed support for pluralisation in ``get_translation``.
This was unused and complicated other changes to ``sphinx.locale``.
* ``sphinx.util`` functions:
* Renamed ``sphinx.util.typing.stringify()``
to ``sphinx.util.typing.stringify_annotation()``
* Moved ``sphinx.util.xmlname_checker()``
to ``sphinx.builders.epub3._XML_NAME_PATTERN``
Moved to ``sphinx.util.display``:
* ``sphinx.util.status_iterator``
* ``sphinx.util.display_chunk``
* ``sphinx.util.SkipProgressMessage``
* ``sphinx.util.progress_message``
Moved to ``sphinx.util.http_date``:
* ``sphinx.util.epoch_to_rfc1123``
* ``sphinx.util.rfc1123_to_epoch``
Moved to ``sphinx.util.exceptions``:
* ``sphinx.util.save_traceback``
* ``sphinx.util.format_exception_cut_frames``
* Cache doctrees in the build environment during the writing phase.
* Make all writing phase tasks support parallel execution.
* #11072: Use PEP 604 (``X | Y``) display conventions for ``typing.Optional``
and ``typing.Optional`` types within the Python domain and autodoc.
* #10700: autodoc: Document ``typing.NewType()`` types as classes rather than
'data'.
* Cache doctrees between the reading and writing phases.