``
* html theme: Move a script tag for documentation_options.js in
basic/layout.html to ``script_files`` variable
* html theme: Move CSS tags in basic/layout.html to ``css_files`` variable
* #8915: html theme: Emit a warning for ``sphinx_rtd_theme`` 0.2.4 or older
* #8508: LaTeX: uplatex becomes a default setting of latex_engine for Japanese
documents
* #5977: py domain: ``:var:``, ``:cvar:`` and ``:ivar:`` fields do not create
cross-references
* #4550: The ``align`` attribute of ``figure`` and ``table`` nodes becomes
``None`` by default instead of ``'default'``
* #8769: LaTeX refactoring: split sphinx.sty into multiple files and rename
some auxiliary files created in ``latex`` build output repertory
* #8937: Use explicit title instead of
* #8487: The :file: option for csv-table directive now recognizes an absolute
path as a relative path from source directory
4.0.0b2
* #9023: Change the CSS classes on :rst:role:`cpp:expr` and
:rst:role:`cpp:texpr`.
Deprecated
----------
* :confval:`html_codeblock_linenos_style`
* ``favicon`` and ``logo`` variable in HTML templates
* ``sphinx.directives.patches.CSVTable``
* ``sphinx.directives.patches.ListTable``
* ``sphinx.directives.patches.RSTTable``
* ``sphinx.ext.autodoc.directive.DocumenterBridge.filename_set``
* ``sphinx.ext.autodoc.directive.DocumenterBridge.warn()``
* ``sphinx.registry.SphinxComponentRegistry.get_source_input()``
* ``sphinx.registry.SphinxComponentRegistry.source_inputs``
* ``sphinx.transforms.FigureAligner``
* ``sphinx.util.pycompat.convert_with_2to3()``
* ``sphinx.util.pycompat.execfile_()``
* ``sphinx.util.smartypants``
* ``sphinx.util.typing.DirectiveOption``
Features added
--------------
4.0.0b1
* #8924: autodoc: Support ``bound`` argument for TypeVar
* #7383: autodoc: Support typehints for properties
* #5603: autodoc: Allow to refer to a python class using its canonical name
when the class has two different names; a canonical name and an alias name
* #8539: autodoc: Add :confval:`autodoc_typehints_description_target` to control
the behavior of ``autodoc_typehints=description``
* #8841: autodoc: :confval:`autodoc_docstring_signature` will continue to look
for multiple signature lines without backslash character
* #7549: autosummary: Enable :confval:`autosummary_generate` by default
* #8898: extlinks: Allow %s in link caption string
* #4826: py domain: Add ``:canonical:`` option to python directives to describe
the location where the object is defined
* #7199: py domain: Add :confval:`python_use_unqualified_type_names` to suppress
the module name of the python reference if it can be resolved (experimental)
* #7068: py domain: Add :rst:dir:`py:property` directive to describe a property
* #7784: i18n: The alt text for image is translated by default (without
:confval:`gettext_additional_targets` setting)
* #2018: html: :confval:`html_favicon` and :confval:`html_logo` now accept URL
for the image
* #8070: html search: Support searching for 2characters word
* #9036: html theme: Allow to inherite the search page
* #8938: imgconverter: Show the error of the command availability check
* #7830: Add debug logs for change detection of sources and templates
* #8201: Emit a warning if toctree contains duplicated entries
* #8326: ``master_doc`` is now renamed to :confval:`root_doc`
* #8942: C++, add support for the C++20 spaceship operator, ``<=>``.
* #7199: A new node, ``sphinx.addnodes.pending_xref_condition`` has been added.
It can be used to choose appropriate content of the reference by conditions.
4.0.0b2
* #8818: autodoc: Super class having ``Any`` arguments causes nitpicky warning
* #9095: autodoc: TypeError is raised on processing broken metaclass
* #9110: autodoc: metadata of GenericAlias is not rendered as a reference in
py37+
* #9098: html: copy-range protection for doctests doesn't work in Safari
* #9103: LaTeX: imgconverter: conversion runs even if not needed
* #8127: py domain: Ellipsis in info-field-list causes nitpicky warning
* #9121: py domain: duplicated warning is emitted when both canonical and its
alias objects are defined on the document
* #9023: More CSS classes on domain descriptions, see :ref:`nodes` for details.
* #8195: mathjax: Rename :confval:`mathjax_config` to
:confval:`mathjax2_config` and add :confval:`mathjax3_config`
Bugs fixed
----------
4.0.0b1
* #8917: autodoc: Raises a warning if function has wrong __globals__ value
* #8415: autodoc: a TypeVar imported from other module is not resolved (in
Python 3.7 or above)
* #8992: autodoc: Failed to resolve types.TracebackType type annotation
* #8905: html: ``html_add_permalinks=None`` and ``html_add_permalinks=""``
are ignored
* #8380: html search: Paragraphs in search results are not identified as ````
* #8915: html theme: The translation of ``sphinx_rtd_theme`` does not work
* #8342: Emit a warning if a unknown domain is given for directive or role (ex.
``:unknown:doc:``)
* #7241: LaTeX: No wrapping for ``cpp:enumerator``
* #8711: LaTeX: backticks in code-blocks trigger latexpdf build warning (and font
change) with late TeXLive 2019
* #8253: LaTeX: Figures with no size defined get overscaled (compared to images
with size explicitly set in pixels) (fixed for ``'pdflatex'/'lualatex'`` only)
* #8881: LaTeX: The depth of bookmarks panel in PDF is not enough for navigation
* #8874: LaTeX: the fix to two minor Pygments LaTeXFormatter output issues ignore
Pygments style
* #8925: LaTeX: 3.5.0 ``verbatimmaxunderfull`` setting does not work as
expected
* #8980: LaTeX: missing line break in ``\pysigline``
* #8995: LaTeX: legacy ``\pysiglinewithargsret`` does not compute correctly
available horizontal space and should use a ragged right style
* #9009: LaTeX: "release" value with underscore leads to invalid LaTeX
* #8911: C++: remove the longest matching prefix in
:confval:`cpp_index_common_prefix` instead of the first that matches.
* C, properly reject function declarations when a keyword is used
as parameter name.
* #8933: viewcode: Failed to create back-links on parallel build
* #8960: C and C++, fix rendering of (member) function pointer types in
function parameter lists.
* C++, fix linking of names in array declarators, pointer to member
(function) declarators, and in the argument to ``sizeof...``.
* C, fix linking of names in array declarators.
4.0.0b2
* C, C++, fix ``KeyError`` when an ``alias`` directive is the first C/C++
directive in a file with another C/C++ directive later.
4.0.0b3
* #9167: html: Failed to add CSS files to the specific page