Update sphinx to 3.5.4

[pyup-bot]

This PR updates Sphinx from 1.6.5 to 3.5.4.

Changelog

3.5.4

=====================================

Dependencies
------------

* 9071: Restrict docutils to 0.16

Bugs fixed
----------

* 9078: autodoc: Async staticmethods and classmethods are considered as non
async coroutine-functions with Python3.10
* 8870, 9001, 9051: html theme: The style are not applied with docutils-0.17

- toctree captions
- The content of ``sidebar`` directive
- figures

3.5.3

=====================================

Features added
--------------

* 8959: using UNIX path separator in image directive confuses Sphinx on Windows

3.5.2

=====================================

Bugs fixed
----------

* 8943: i18n: Crashed by broken translation messages in ES, EL and HR
* 8936: LaTeX: A custom LaTeX builder fails with unknown node error
* 8952: Exceptions raised in a Directive cause parallel builds to hang

3.5.1

=====================================

Bugs fixed
----------

* 8883: autodoc: AttributeError is raised on assigning __annotations__ on
read-only class
* 8884: html: minified js stemmers not included in the distributed package
* 8885: html: AttributeError is raised if CSS/JS files are installed via
:confval:`html_context`
* 8880: viewcode: ExtensionError is raised on incremental build after
unparsable python module found

3.5.0

=====================================

Dependencies
------------

* LaTeX: ``multicol`` (it is anyhow a required part of the official latex2e
base distribution)

Incompatible changes
--------------------

* Update Underscore.js to 1.12.0
* 6550: html: The config variable ``html_add_permalinks`` is replaced by
:confval:`html_permalinks` and :confval:`html_permalinks_icon`

Deprecated
----------

* pending_xref node for viewcode extension
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.anchors_ignore``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.auth``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.broken``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.good``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.redirected``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.rqueue``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.to_ignore``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.workers``
* ``sphinx.builders.linkcheck.CheckExternalLinksBuilder.wqueue``
* ``sphinx.builders.linkcheck.node_line_or_0()``
* ``sphinx.ext.autodoc.AttributeDocumenter.isinstanceattribute()``
* ``sphinx.ext.autodoc.directive.DocumenterBridge.reporter``
* ``sphinx.ext.autodoc.importer.get_module_members()``
* ``sphinx.ext.autosummary.generate._simple_info()``
* ``sphinx.ext.autosummary.generate._simple_warn()``
* ``sphinx.writers.html.HTMLTranslator.permalink_text``
* ``sphinx.writers.html5.HTML5Translator.permalink_text``

Features added
--------------

* 8022: autodoc: autodata and autoattribute directives does not show right-hand
value of the variable if docstring contains ``:meta hide-value:`` in
info-field-list
* 8514: autodoc: Default values of overloaded functions are taken from actual
implementation if they're ellipsis
* 8775: autodoc: Support type union operator (PEP-604) in Python 3.10 or above
* 8297: autodoc: Allow to extend :confval:`autodoc_default_options` via
directive options
* 759: autodoc: Add a new configuration :confval:`autodoc_preserve_defaults` as
an experimental feature.  It preserves the default argument values of
functions in source code and keep them not evaluated for readability.
* 8619: html: kbd role generates customizable HTML tags for compound keys
* 8634: html: Allow to change the order of JS/CSS via ``priority`` parameter
for :meth:`Sphinx.add_js_file()` and :meth:`Sphinx.add_css_file()`
* 6241: html: Allow to add JS/CSS files to the specific page when an extension
calls ``app.add_js_file()`` or ``app.add_css_file()`` on
:event:`html-page-context` event
* 6550: html: Allow to use HTML permalink texts via
:confval:`html_permalinks_icon`
* 1638: html: Add permalink icons to glossary terms
* 8868: html search: performance issue with massive lists
* 8867: html search: Update JavaScript stemmer code to the latest version of
Snowball (v2.1.0)
* 8852: i18n: Allow to translate heading syntax in MyST-Parser
* 8649: imgconverter: Skip availability check if builder supports the image
type
* 8573: napoleon: Allow to change the style of custom sections using
:confval:`napoleon_custom_styles`
* 8004: napoleon: Type definitions in Google style docstrings are rendered as
references when :confval:`napoleon_preprocess_types` enabled
* 6241: mathjax: Include mathjax.js only on the document using equations
* 8775: py domain: Support type union operator (PEP-604)
* 8651: std domain: cross-reference for a rubric having inline item is broken
* 7642: std domain: Optimize case-insensitive match of term
* 8681: viewcode: Support incremental build
* 8132: Add :confval:`project_copyright` as an alias of :confval:`copyright`
* 207: Now :confval:`highlight_language` supports multiple languages
* 2030: :rst:dir:`code-block` and :rst:dir:`literalinclude` supports automatic
dedent via no-argument ``:dedent:`` option
* C++, also hyperlink operator overloads in expressions and alias declarations.
* 8247: Allow production lists to refer to tokens from other production groups
* 8813: Show what extension (or module) caused it on errors on event handler
* 8213: C++: add ``maxdepth`` option to :rst:dir:`cpp:alias` to insert nested
declarations.
* C, add ``noroot`` option to :rst:dir:`c:alias` to render only nested
declarations.
* C++, add ``noroot`` option to :rst:dir:`cpp:alias` to render only nested
declarations.

Bugs fixed
----------

* 8727: apidoc: namespace module file is not generated if no submodules there
* 741: autodoc: inherited-members doesn't work for instance attributes on super
class
* 8592: autodoc: ``:meta public:`` does not effect to variables
* 8594: autodoc: empty __all__ attribute is ignored
* 8315: autodoc: Failed to resolve struct.Struct type annotation
* 8652: autodoc: All variable comments in the module are ignored if the module
contains invalid type comments
* 8693: autodoc: Default values for overloaded functions are rendered as string
* 8134: autodoc: crashes when mocked decorator takes arguments
* 8800: autodoc: Uninitialized attributes in superclass are recognized as
undocumented
* 8655: autodoc: Failed to generate document if target module contains an
object that raises an exception on ``hasattr()``
* 8306: autosummary: mocked modules are documented as empty page when using
:recursive: option
* 8232: graphviz: Image node is not rendered if graph file is in subdirectory
* 8618: html: kbd role produces incorrect HTML when compound-key separators (-,
+ or ^) are used as keystrokes
* 8629: html: A type warning for html_use_opensearch is shown twice
* 8714: html: kbd role with "Caps Lock" rendered incorrectly
* 8123: html search: fix searching for terms containing + (Requires a custom
search language that does not split on +)
* 8665: html theme: Could not override globaltoc_maxdepth in theme.conf
* 8446: html: consecutive spaces are displayed as single space
* 8745: i18n: crashes with KeyError when translation message adds a new auto
footnote reference
* 4304: linkcheck: Fix race condition that could lead to checking the
availability of the same URL twice
* 8791: linkcheck: The docname for each hyperlink is not displayed
* 7118: sphinx-quickstart: questionare got Mojibake if libreadline unavailable
* 8094: texinfo: image files on the different directory with document are not
copied
* 8782: todo: Cross references in todolist get broken
* 8720: viewcode: module pages are generated for epub on incremental build
* 8704: viewcode: anchors are generated in incremental build after singlehtml
* 8756: viewcode: highlighted code is generated even if not referenced
* 8671: :confval:`highlight_options` is not working
* 8341: C, fix intersphinx lookup types for names in declarations.
* C, C++: in general fix intersphinx and role lookup types.
* 8683: :confval:`html_last_updated_fmt` does not support UTC offset (%z)
* 8683: :confval:`html_last_updated_fmt` generates wrong time zone for %Z
* 1112: ``download`` role creates duplicated copies when relative path is
specified
* 2616 (fifth item): LaTeX: footnotes from captions are not clickable,
and for manually numbered footnotes only first one with same number is
an hyperlink
* 7576: LaTeX with French babel and memoir crash: "Illegal parameter number
in definition of ``\FNHprefntext``"
* 8055: LaTeX (docs): A potential display bug with the LaTeX generation step
in Sphinx (how to generate one-column index)
* 8072: LaTeX: Directive :rst:dir:`hlist` not implemented in LaTeX
* 8214: LaTeX: The :rst:role:`index` role and the glossary generate duplicate
entries in the LaTeX index (if both used for same term)
* 8735: LaTeX: wrong internal links in pdf to captioned code-blocks when
:confval:`numfig` is not True
* 8442: LaTeX: some indexed terms are ignored when using xelatex engine
(or pdflatex and :confval:`latex_use_xindy` set to True) with memoir class
* 8750: LaTeX: URLs as footnotes fail to show in PDF if originating from
inside function type signatures
* 8780: LaTeX: long words in narrow columns may not be hyphenated
* 8788: LaTeX: ``\titleformat`` last argument in sphinx.sty should be
bracketed, not braced (and is anyhow not needed) 
* 8849: LaTex: code-block printed out of margin (see the opt-in LaTeX syntax
boolean :ref:`verbatimforcewraps <latexsphinxsetupforcewraps>` for use via
the :ref:`'sphinxsetup' <latexsphinxsetup>` key of ``latex_elements``)
* 8183: LaTeX: Remove substitution_reference nodes from doctree only on LaTeX
builds
* 8865: LaTeX: Restructure the index nodes inside title nodes only on LaTeX
builds
* 8796: LaTeX: potentially critical low level TeX coding mistake has gone
unnoticed so far
* C, :rst:dir:`c:alias` skip symbols without explicit declarations
instead of crashing.
* C, :rst:dir:`c:alias` give a warning when the root symbol is not declared.
* C, ``expr`` role should start symbol lookup in the current scope.

3.4.3

=====================================

Bugs fixed
----------

* 8655: autodoc: Failed to generate document if target module contains an
object that raises an exception on ``hasattr()``

3.4.2

=====================================

Bugs fixed
----------

* 8164: autodoc: Classes that inherit mocked class are not documented
* 8602: autodoc: The ``autodoc-process-docstring`` event is emitted to the
non-datadescriptors unexpectedly
* 8616: autodoc: AttributeError is raised on non-class object is passed to
autoclass directive

3.4.1

=====================================

Bugs fixed
----------

* 8559: autodoc: AttributeError is raised when using forward-reference type
annotations
* 8568: autodoc: TypeError is raised on checking slots attribute
* 8567: autodoc: Instance attributes are incorrectly added to Parent class
* 8566: autodoc: The ``autodoc-process-docstring`` event is emitted to the
alias classes unexpectedly
* 8583: autodoc: Unnecessary object comparision via ``__eq__`` method
* 8565: linkcheck: Fix PriorityQueue crash when link tuples are not
comparable

3.4.0

=====================================

Incompatible changes
--------------------

* 8105: autodoc: the signature of class constructor will be shown for decorated
classes, not a signature of decorator

Deprecated
----------

* The ``follow_wrapped`` argument of ``sphinx.util.inspect.signature()``
* The ``no_docstring`` argument of
``sphinx.ext.autodoc.Documenter.add_content()``
* ``sphinx.ext.autodoc.Documenter.get_object_members()``
* ``sphinx.ext.autodoc.DataDeclarationDocumenter``
* ``sphinx.ext.autodoc.GenericAliasDocumenter``
* ``sphinx.ext.autodoc.InstanceAttributeDocumenter``
* ``sphinx.ext.autodoc.SlotsAttributeDocumenter``
* ``sphinx.ext.autodoc.TypeVarDocumenter``
* ``sphinx.ext.autodoc.importer._getannotations()``
* ``sphinx.ext.autodoc.importer._getmro()``
* ``sphinx.pycode.ModuleAnalyzer.parse()``
* ``sphinx.util.osutil.movefile()``
* ``sphinx.util.requests.is_ssl_error()``

Features added
--------------

* 8119: autodoc: Allow to determine whether a member not included in
``__all__`` attribute of the module should be documented or not via
:event:`autodoc-skip-member` event
* 8219: autodoc: Parameters for generic class are not shown when super class is
a generic class and show-inheritance option is given (in Python 3.7 or above)
* autodoc: Add ``Documenter.config`` as a shortcut to access the config object
* autodoc: Add Optional[t] to annotation of function and method if a default
value equal to None is set.
* 8209: autodoc: Add ``:no-value:`` option to :rst:dir:`autoattribute` and
:rst:dir:`autodata` directive to suppress the default value of the variable
* 8460: autodoc: Support custom types defined by typing.NewType
* 8285: napoleon: Add :confval:`napoleon_attr_annotations` to merge type hints
on source code automatically if any type is specified in docstring
* 8236: napoleon: Support numpydoc's "Receives" section
* 6914: Add a new event :event:`warn-missing-reference` to custom warning
messages when failed to resolve a cross-reference
* 6914: Emit a detailed warning when failed to resolve a ``:ref:`` reference
* 6629: linkcheck: The builder now handles rate limits. See
:confval:`linkcheck_retry_on_rate_limit` for details.

Bugs fixed
----------

* 7613: autodoc: autodoc does not respect __signature__ of the class
* 4606: autodoc: the location of the warning is incorrect for inherited method
* 8105: autodoc: the signature of class constructor is incorrect if the class
is decorated
* 8434: autodoc: :confval:`autodoc_type_aliases` does not effect to variables
and attributes
* 8443: autodoc: autodata directive can't create document for PEP-526 based
type annotated variables
* 8443: autodoc: autoattribute directive can't create document for PEP-526
based uninitalized variables
* 8480: autodoc: autoattribute could not create document for __slots__
attributes
* 8503: autodoc: autoattribute could not create document for a GenericAlias as
class attributes correctly
* 8534: autodoc: autoattribute could not create document for a commented
attribute in alias class
* 8452: autodoc: autodoc_type_aliases doesn't work when autodoc_typehints is
set to "description"
* 8541: autodoc: autodoc_type_aliases doesn't work for the type annotation to
instance attributes
* 8460: autodoc: autodata and autoattribute directives do not display type
information of TypeVars
* 8493: autodoc: references to builtins not working in class aliases
* 8522: autodoc:  ``__bool__`` method could be called
* 8067: autodoc: A typehint for the instance variable having type_comment on
super class is not displayed
* 8545: autodoc: a __slots__ attribute is not documented even having docstring
* 741: autodoc: inherited-members doesn't work for instance attributes on super
class
* 8477: autosummary: non utf-8 reST files are generated when template contains
multibyte characters
* 8501: autosummary: summary extraction splits text after "el at." unexpectedly
* 8524: html: Wrong url_root has been generated on a document named "index"
* 8419: html search: Do not load ``language_data.js`` in non-search pages
* 8549: i18n: ``-D gettext_compact=0`` is no longer working
* 8454: graphviz: The layout option for graph and digraph directives don't work
* 8131: linkcheck: Use GET when HEAD requests cause Too Many Redirects, to
accommodate infinite redirect loops on HEAD
* 8437: Makefile: ``make clean`` with empty BUILDDIR is dangerous
* 8365: py domain: ``:type:`` and ``:rtype:`` gives false ambiguous class
lookup warnings
* 8352: std domain: Failed to parse an option that starts with bracket
* 8519: LaTeX: Prevent page brake in the middle of a seealso
* 8520: C, fix copying of AliasNode.

3.3.1

=====================================

Bugs fixed
----------

* 8372: autodoc: autoclass directive became slower than Sphinx-3.2
* 7727: autosummary: raise PycodeError when documenting python package
without __init__.py
* 8350: autosummary: autosummary_mock_imports causes slow down builds
* 8364: C, properly initialize attributes in empty symbols.
* 8399: i18n: Put system locale path after the paths specified by configuration

3.3.0

=====================================

Deprecated
----------

* ``sphinx.builders.latex.LaTeXBuilder.usepackages``
* ``sphinx.builders.latex.LaTeXBuilder.usepackages_afger_hyperref``
* ``sphinx.ext.autodoc.SingledispatchFunctionDocumenter``
* ``sphinx.ext.autodoc.SingledispatchMethodDocumenter``

Features added
--------------

* 8100: html: Show a better error message for failures on copying
html_static_files
* 8141: C: added a ``maxdepth`` option to :rst:dir:`c:alias` to insert
nested declarations.
* 8081: LaTeX: Allow to add LaTeX package via ``app.add_latex_package()`` until
just before writing .tex file
* 7996: manpage: Add :confval:`man_make_section_directory` to make a section
directory on build man page
* 8289: epub: Allow to suppress "duplicated ToC entry found" warnings from epub
builder using :confval:`suppress_warnings`.
* 8298: sphinx-quickstart: Add :option:`sphinx-quickstart --no-sep` option
* 8304: sphinx.testing: Register public markers in sphinx.testing.fixtures
* 8051: napoleon: use the obj role for all See Also items
* 8050: napoleon: Apply :confval:`napoleon_preprocess_types` to every field
* C and C++, show line numbers for previous declarations when duplicates are
detected.
* 8183: Remove substitution_reference nodes from doctree only on LaTeX builds

Bugs fixed
----------

* 8085: i18n: Add support for having single text domain
* 6640: i18n: Failed to override system message translation
* 8143: autodoc: AttributeError is raised when False value is passed to
autodoc_default_options
* 8103: autodoc: functools.cached_property is not considered as a property
* 8190: autodoc: parsing error is raised if some extension replaces docstring
by string not ending with blank lines
* 8142: autodoc: Wrong constructor signature for the class derived from
typing.Generic
* 8157: autodoc: TypeError is raised when annotation has invalid __args__
* 7964: autodoc: Tuple in default value is wrongly rendered
* 8200: autodoc: type aliases break type formatting of autoattribute
* 7786: autodoc: can't detect overloaded methods defined in other file
* 8294: autodoc: single-string __slots__ is not handled correctly
* 7785: autodoc: autodoc_typehints='none' does not effect to overloaded functions
* 8192: napoleon: description is disappeared when it contains inline literals
* 8142: napoleon: Potential of regex denial of service in google style docs
* 8169: LaTeX: pxjahyper loaded even when latex_engine is not platex
* 8215: LaTeX: 'oneside' classoption causes build warning
* 8175: intersphinx: Potential of regex denial of service by broken inventory
* 8277: sphinx-build: missing and redundant spacing (and etc) for console
output on building
* 7973: imgconverter: Check availability of imagemagick many times
* 8255: py domain: number in default argument value is changed from hexadecimal
to decimal
* 8316: html: Prevent arrow keys changing page when button elements are focused
* 8343: html search: Fix unnecessary load of images when parsing the document
* 8254: html theme: Line numbers misalign with code lines
* 8093: The highlight warning has wrong location in some builders (LaTeX,
singlehtml and so on)
* 8215: Eliminate Fancyhdr build warnings for oneside documents
* 8239: Failed to refer a token in productionlist if it is indented
* 8268: linkcheck: Report HTTP errors when ``linkcheck_anchors`` is ``True``
* 8245: linkcheck: take source directory into account for local files
* 8321: linkcheck: ``tel:`` schema hyperlinks are detected as errors
* 8323: linkcheck: An exit status is incorrect when links having unsupported
schema found
* 8188: C, add missing items to internal object types dictionary,
e.g., preventing intersphinx from resolving them.
* C, fix anon objects in intersphinx.
* 8270, C++, properly reject functions as duplicate declarations if a
non-function declaration of the same name already exists.
* C, fix references to function parameters.
Link to the function instead of a non-existing anchor.
* 6914: figure numbers are unexpectedly assigned to uncaptioned items
* 8320: make "inline" line numbers un-selectable

Testing
--------

* 8257: Support parallel build in sphinx.testing

3.2.1

=====================================

Features added
--------------

* 8095: napoleon: Add :confval:`napoleon_preprocess_types` to enable the type
preprocessor for numpy style docstrings
* 8114: C and C++, parse function attributes after parameters and qualifiers.

Bugs fixed
----------

* 8074: napoleon: Crashes during processing C-ext module
* 8088: napoleon: "Inline literal start-string without end-string" warning in
Numpy style Parameters section
* 8084: autodoc: KeyError is raised on documenting an attribute of the broken
class
* 8091: autodoc: AttributeError is raised on documenting an attribute on Python
3.5.2
* 8099: autodoc: NameError is raised when target code uses ``TYPE_CHECKING``
* C++, fix parsing of template template paramters, broken by the fix of 7944

3.2.0

=====================================

Deprecated
----------

* ``sphinx.ext.autodoc.members_set_option()``
* ``sphinx.ext.autodoc.merge_special_members_option()``
* ``sphinx.writers.texinfo.TexinfoWriter.desc``
* C, parsing of pre-v3 style type directives and roles, along with the options
:confval:`c_allow_pre_v3` and :confval:`c_warn_on_allowed_pre_v3`.

Features added
--------------

* 2076: autodoc: Allow overriding of exclude-members in skip-member function
* 8034: autodoc: ``:private-member:`` can take an explicit list of member names
to be documented
* 2024: autosummary: Add :confval:`autosummary_filename_map` to avoid conflict
of filenames between two object with different case
* 8011: autosummary: Support instance attributes as a target of autosummary
directive
* 7849: html: Add :confval:`html_codeblock_linenos_style` to change the style
of line numbers for code-blocks
* 7853: C and C++, support parameterized GNU style attributes.
* 7888: napoleon: Add aliases Warn and Raise.
* 7690: napoleon: parse type strings and make them hyperlinks as possible.  The
conversion rule can be updated via :confval:`napoleon_type_aliases`
* 8049: napoleon: Create a hyperlink for each the type of parameter when
:confval:`napoleon_use_params` is False
* C, added :rst:dir:`c:alias` directive for inserting copies
of existing declarations.
* 7745: html: inventory is broken if the docname contains a space
* 7991: html search: Allow searching for numbers
* 7902: html theme: Add a new option :confval:`globaltoc_maxdepth` to control
the behavior of globaltoc in sidebar
* 7840: i18n: Optimize the dependencies check on bootstrap
* 7768: i18n: :confval:`figure_language_filename` supports ``docpath`` token
* 5208: linkcheck: Support checks for local links
* 5090: setuptools: Link verbosity to distutils' -v and -q option
* 6698: doctest: Add ``:trim-doctest-flags:`` and ``:no-trim-doctest-flags:``
options to doctest, testcode and testoutput directives
* 7052: add ``:noindexentry:`` to the Python, C, C++, and Javascript domains.
Update the documentation to better reflect the relationship between this option
and the ``:noindex:`` option.
* 7899: C, add possibility of parsing of some pre-v3 style type directives and
roles and try to convert them to equivalent v3 directives/roles.
Set the new option :confval:`c_allow_pre_v3` to ``True`` to enable this.
The warnings printed from this functionality can be suppressed by setting
:confval:`c_warn_on_allowed_pre_v3`` to ``True``.
The functionality is immediately deprecated.
* 7999: C, add support for named variadic macro arguments.
* 8071: Allow to suppress "self referenced toctrees" warning

Bugs fixed
----------

* 7886: autodoc: TypeError is raised on mocking generic-typed classes
* 7935: autodoc: function signature is not shown when the function has a
parameter having ``inspect._empty`` as its default value
* 7901: autodoc: type annotations for overloaded functions are not resolved
* 904: autodoc: An instance attribute cause a crash of autofunction directive
* 1362: autodoc: ``private-members`` option does not work for class attributes
* 7983: autodoc: Generator type annotation is wrongly rendered in py36
* 8030: autodoc: An uninitialized annotated instance variable is not documented
when ``:inherited-members:`` option given
* 8032: autodoc: A type hint for the instance variable defined at parent class
is not shown in the document of the derived class
* 8041: autodoc: An annotated instance variable on super class is not
documented when derived class has other annotated instance variables
* 7839: autosummary: cannot handle umlauts in function names
* 7865: autosummary: Failed to extract summary line when abbreviations found
* 7866: autosummary: Failed to extract correct summary line when docstring
contains a hyperlink target
* 7469: autosummary: "Module attributes" header is not translatable
* 7940: apidoc: An extra newline is generated at the end of the rst file if a
module has submodules
* 4258: napoleon: decorated special methods are not shown
* 7799: napoleon: parameters are not escaped for combined params in numpydoc
* 7780: napoleon: multiple paramaters declaration in numpydoc was wrongly
recognized when napoleon_use_params=True
* 7715: LaTeX: ``numfig_secnum_depth > 1`` leads to wrong figure links
* 7846: html theme: XML-invalid files were generated
* 7894: gettext: Wrong source info is shown when using rst_epilog
* 7691: linkcheck: HEAD requests are not used for checking
* 4888: i18n: Failed to add an explicit title to ``:ref:`` role on translation
* 7928: py domain: failed to resolve a type annotation for the attribute
* 8008: py domain: failed to parse a type annotation containing ellipsis
* 7994: std domain: option directive does not generate old node_id compatible
with 2.x or older
* 7968: i18n: The content of ``math`` directive is interpreted as reST on
translation
* 7768: i18n: The ``root`` element for :confval:`figure_language_filename` is
not a path that user specifies in the document
* 7993: texinfo: TypeError is raised for nested object descriptions
* 7993: texinfo: a warning not supporting desc_signature_line node is shown
* 7869: :rst:role:`abbr` role without an explanation will show the explanation
from the previous abbr role
* 8048: graphviz: graphviz.css was copied on building non-HTML document
* C and C++, removed ``noindex`` directive option as it did
nothing.
* 7619: Duplicated node IDs are generated if node has multiple IDs
* 2050: Symbols sections are appeared twice in the index page
* 8017: Fix circular import in sphinx.addnodes
* 7986: CSS: make "highlight" selector more robust
* 7944: C++, parse non-type template parameters starting with
a dependent qualified name.
* C, don't deepcopy the entire symbol table and make a mess every time an
enumerator is handled.

3.1.2

=====================================

Incompatible changes
--------------------

* 7650: autodoc: the signature of base function will be shown for decorated
functions, not a signature of decorator

Bugs fixed
----------

* 7844: autodoc: Failed to detect module when relative module name given
* 7856: autodoc: AttributeError is raised when non-class object is given to
the autoclass directive
* 7850: autodoc: KeyError is raised for invalid mark up when autodoc_typehints
is 'description'
* 7812: autodoc: crashed if the target name matches to both an attribute and
module that are same name
* 7650: autodoc: function signature becomes ``(*args, **kwargs)`` if the
function is decorated by generic decorator
* 7812: autosummary: generates broken stub files if the target code contains
an attribute and module that are same name
* 7806: viewcode: Failed to resolve viewcode references on 3rd party builders
* 7838: html theme: List items have extra vertical space
* 7878: html theme: Undesired interaction between "overflow" and "float"

3.1.1

=====================================

Incompatible changes
--------------------

* 7808: napoleon: a type for attribute are represented as typed field

Features added
--------------

* 7807: autodoc: Show detailed warning when type_comment is mismatched with its
signature

Bugs fixed
----------

* 7808: autodoc: Warnings raised on variable and attribute type annotations
* 7802: autodoc: EOFError is raised on parallel build
* 7821: autodoc: TypeError is raised for overloaded C-ext function
* 7805: autodoc: an object which descriptors returns is unexpectedly documented
* 7807: autodoc: wrong signature is shown for the function using contextmanager
* 7812: autosummary: generates broken stub files if the target code contains
an attribute and module that are same name
* 7808: napoleon: Warnings raised on variable and attribute type annotations
* 7811: sphinx.util.inspect causes circular import problem

3.1.0

=====================================

Dependencies
------------

* 7746: mathjax: Update to 2.7.5

Incompatible changes
--------------------

* 7477: imgconverter: Invoke "magick convert" command by default on Windows

Deprecated
----------

* The first argument for sphinx.ext.autosummary.generate.AutosummaryRenderer has
been changed to Sphinx object
* ``sphinx.ext.autosummary.generate.AutosummaryRenderer`` takes an object type
as an argument
* The ``ignore`` argument of ``sphinx.ext.autodoc.Documenter.get_doc()``
* The ``template_dir`` argument of ``sphinx.ext.autosummary.generate.
AutosummaryRenderer``
* The ``module`` argument of ``sphinx.ext.autosummary.generate.
find_autosummary_in_docstring()``
* The ``builder`` argument of ``sphinx.ext.autosummary.generate.
generate_autosummary_docs()``
* The ``template_dir`` argument of ``sphinx.ext.autosummary.generate.
generate_autosummary_docs()``
* The ``ignore`` argument of ``sphinx.util.docstring.prepare_docstring()``
* ``sphinx.ext.autosummary.generate.AutosummaryRenderer.exists()``
* ``sphinx.util.rpartition()``

Features added
--------------

* LaTeX: Make the ``toplevel_sectioning`` setting optional in LaTeX theme
* LaTeX: Allow to override papersize and pointsize from LaTeX themes
* LaTeX: Add :confval:`latex_theme_options` to override theme options
* 7410: Allow to suppress "circular toctree references detected" warnings using
:confval:`suppress_warnings`
* C, added scope control directives, :rst:dir:`c:namespace`,
:rst:dir:`c:namespace-push`, and :rst:dir:`c:namespace-pop`.
* 2044: autodoc: Suppress default value for instance attributes
* 7473: autodoc: consider a member public if docstring contains
``:meta public:`` in info-field-list
* 7487: autodoc: Allow to generate docs for singledispatch functions by
py:autofunction
* 7143: autodoc: Support final classes and methods
* 7384: autodoc: Support signatures defined by ``__new__()``, metaclasses and
builtin base classes
* 2106: autodoc: Support multiple signatures on docstring
* 4422: autodoc: Support GenericAlias in Python 3.7 or above
* 3610: autodoc: Support overloaded functions
* 7722: autodoc: Support TypeVar
* 7466: autosummary: headings in generated documents are not translated
* 7490: autosummary: Add ``:caption:`` option to autosummary directive to set a
caption to the toctree
* 7469: autosummary: Support module attributes
* 248, 6040: autosummary: Add ``:recursive:`` option to autosummary directive
to generate stub files recursively
* 4030: autosummary: Add :confval:`autosummary_context` to add template
variables for custom templates
* 7530: html: Support nested <kbd> elements
* 7481: html theme: Add right margin to footnote/citation labels
* 7482, 7717: html theme: CSS spacing for code blocks with captions and line
numbers
* 7443: html theme: Add new options :confval:`globaltoc_collapse` and
:confval:`globaltoc_includehidden` to control the behavior of globaltoc in
sidebar
* 7484: html theme: Avoid clashes between sidebar and other blocks
* 7476: html theme: Relbar breadcrumb should contain current page
* 7506: html theme: A canonical URL is not escaped
* 7533: html theme: Avoid whitespace at the beginning of genindex.html
* 7541: html theme: Add a "clearer" at the end of the "body"
* 7542: html theme: Make admonition/topic/sidebar scrollable
* 7543: html theme: Add top and bottom margins to tables
* 7695: html theme: Add viewport meta tag for basic theme
* 7721: html theme: classic: default codetextcolor/codebgcolor doesn't override
Pygments
* C and C++: allow semicolon in the end of declarations.
* C++, parse parameterized noexcept specifiers.
* 7294: C++, parse expressions with user-defined literals.
* C++, parse trailing return types.
* 7143: py domain: Add ``:final:`` option to :rst:dir:`py:class:`,
:rst:dir:`py:exception:` and :rst:dir:`py:method:` directives
* 7596: py domain: Change a type annotation for variables to a hyperlink
* 7770: std domain: :rst:dir:`option` directive support arguments in the form
of ``foo[=bar]``
* 7582: napoleon: a type for attribute are represented like type annotation
* 7734: napoleon: overescaped trailing underscore on attribute
* 7247: linkcheck: Add :confval:`linkcheck_request_headers` to send custom HTTP
headers for specific host
* 7792: setuptools: Support ``--verbosity`` option
* 7683: Add ``allowed_exceptions`` parameter to ``Sphinx.emit()`` to allow
handlers to raise specified exceptions
* 7295: C++, parse (trailing) requires clauses.

Bugs fixed
----------

* 6703: autodoc: incremental build does not work for imported objects
* 7564: autodoc: annotations not to be shown for descriptors
* 6588: autodoc: Decorated inherited method has no documentation
* 7469: autodoc: The change of autodoc-process-docstring for variables is
cached unexpectedly
* 7559: autodoc: misdetects a sync function is async
* 6857: autodoc: failed to detect a classmethod on Enum class
* 7562: autodoc: a typehint contains spaces is wrongly rendered under
autodoc_typehints='description' mode
* 7551: autodoc: failed to import nested class
* 7362: autodoc: does not render correct signatures for built-in functions
* 7654: autodoc: ``Optional[Union[foo, bar]]`` is presented as
``Union[foo, bar, None]``
* 7629: autodoc: autofunction emits an unfriendly warning if an invalid object
specified
* 7650: autodoc: undecorated signature is shown for decorated functions
* 7676: autodoc: typo in the default value of autodoc_member_order
* 7676: autodoc: wrong value for :member-order: option is ignored silently
* 7676: autodoc: member-order="bysource" does not work for C module
* 3673: autodoc: member-order="bysource" does not work for a module having
__all__
* 7668: autodoc: wrong retann value is passed to a handler of
autodoc-proccess-signature
* 7711: autodoc: fails with ValueError when processing numpy objects
* 7791: autodoc: TypeError is raised on documenting singledispatch function
* 7551: autosummary: a nested class is indexed as non-nested class
* 7661: autosummary: autosummary directive emits warnings twices if failed to
import the target module
* 7685: autosummary: The template variable "members" contains imported members
even if :confval:`autossummary_imported_members` is False
* 7671: autosummary: The location of import failure warning is missing
* 7535: sphinx-autogen: crashes when custom template uses inheritance
* 7536: sphinx-autogen: crashes when template uses i18n feature
* 7781: sphinx-build: Wrong error message when outdir is not directory
* 7653: sphinx-quickstart: Fix multiple directory creation for nested relpath
* 2785: html: Bad alignment of equation links
* 7718: html theme: some themes does not respect background color of Pygments
style (agogo, haiku, nature, pyramid, scrolls, sphinxdoc and traditional)
* 7544: html theme: inconsistent padding in admonitions
* 7581: napoleon: bad parsing of inline code in attribute docstrings
* 7628: imgconverter: runs imagemagick once unnecessary for builders not
supporting images
* 7610: incorrectly renders consecutive backslashes for docutils-0.16
* 7646: handle errors on event handlers
* 4187: LaTeX: EN DASH disappears from PDF bookmarks in Japanese documents
* 7701: LaTeX: Anonymous indirect hyperlink target causes duplicated labels
* 7723: LaTeX: pdflatex crashed when URL contains a single quote
* 7756: py domain: The default value for positional only argument is not shown
* 7760: coverage: Add :confval:`coverage_show_missing_items` to show coverage
result to console
* C++, fix rendering and xrefs in nested names explicitly starting
in global scope, e.g., ``::A::B``.
* C, fix rendering and xrefs in nested names explicitly starting
in global scope, e.g., ``.A.B``.
* 7763: C and C++, don't crash during display stringification of unary
expressions and fold expressions.

3.0.4

=====================================

Bugs fixed
----------

* 7567: autodoc: parametrized types are shown twice for generic types
* 7637: autodoc: system defined TypeVars are shown in Python 3.9
* 7696: html: Updated jQuery version from 3.4.1 to 3.5.1 for security reasons
* 7611: md5 fails when OpenSSL FIPS is enabled
* 7626: release package does not contain ``CODE_OF_CONDUCT``

3.0.3

=====================================

Features added
--------------

* C, parse array declarators with static, qualifiers, and VLA specification.

Bugs fixed
----------

* 7516: autodoc: crashes if target object raises an error on accessing
its attributes

3.0.2

=====================================

Features added
--------------

* C, parse attributes and add :confval:`c_id_attributes`
and :confval:`c_paren_attributes` to support user-defined attributes.

Bugs fixed
----------

* 7461: py domain: fails with IndexError for empty tuple in type annotation
* 7510: py domain: keyword-only arguments are documented as having a default of
None
* 7418: std domain: :rst:role:`term` role could not match case-insensitively
* 7461: autodoc: empty tuple in type annotation is not shown correctly
* 7479: autodoc: Sphinx builds has been slower since 3.0.0 on mocking
* C++, fix spacing issue in east-const declarations.
* 7414: LaTeX: Xindy language options were incorrect
* sphinx crashes with ImportError on python3.5.1

3.0.1

=====================================

Incompatible changes
--------------------

* 7418: std domain: :rst:dir:`term` role becomes case sensitive

Bugs fixed
----------

* 7428: py domain: a reference to class ``None`` emits a nitpicky warning
* 7445: py domain: a return annotation ``None`` in the function signature is
not converted to a hyperlink when using intersphinx
* 7418: std domain: duplication warning for glossary terms is case insensitive
* 7438: C++, fix merging overloaded functions in parallel builds.
* 7422: autodoc: fails with ValueError when using autodoc_mock_imports
* 7435: autodoc: ``autodoc_typehints='description'`` doesn't suppress typehints
in signature for classes/methods
* 7451: autodoc: fails with AttributeError when an object returns non-string
object as a ``__doc__`` member
* 7423: crashed when giving a non-string object to logger
* 7479: html theme: Do not include xmlns attribute with HTML 5 doctype
* 7426: html theme: Escape some links in HTML templates

3.0.0

* 7364: autosummary: crashed when :confval:`autosummary_generate` is False
* 7370: autosummary: raises UnboundLocalError when unknown module given
* 7367: C++, alternate operator spellings are now supported.
* C, alternate operator spellings are now supported.
* 7368: C++, comma operator in expressions, pack expansion in template
argument lists, and more comprehensive error messages in some cases.
* C, C++, fix crash and wrong duplicate warnings related to anon symbols.
* 6477: Escape first "!" in a cross reference linking no longer possible
* 7219: py domain: The index entry generated by ``py:function`` directive is
different with one from ``index`` directive with "builtin" type
* 7301: capital characters are not allowed for node_id
* 7301: epub: duplicated node_ids are generated
* 6564: html: a width of table was ignored on HTML builder
* 7401: Incorrect argument is passed for :event:`env-get-outdated` handlers
* 7355: autodoc: a signature of cython-function is not recognized well
* 7222: autodoc: ``__wrapped__`` functions are not documented correctly
* 7409: intersphinx: ValueError is raised when an extension sets up
:confval:`intersphinx_mapping` on :event:`config-inited` event
* 7343: Sphinx builds has been slower since 2.4.0 on debug mode

3.0.0b1

* C++, fix cross reference lookup in certain cases involving
function overloads.
* 5078: C++, fix cross reference lookup when a directive contains multiple
declarations.
* C++, suppress warnings for directly dependent typenames in cross references
generated automatically in signatures.
* 5637: autodoc: Incorrect handling of nested class names on show-inheritance
* 7267: autodoc: error message for invalid directive options has wrong location
* 7329: autodoc: info-field-list is wrongly generated from type hints into the
class description even if ``autoclass_content='class'`` set
* 7331: autodoc: a cython-function is not recognized as a function
* 5637: inheritance_diagram: Incorrect handling of nested class names
* 7139: ``code-block:: guess`` does not work
* 7325: html: source_suffix containing dot leads to wrong source link
* 7357: html: Resizing SVG image fails with ValueError
* 7278: html search: Fix use of ``html_file_suffix`` instead of
``html_link_suffix`` in search results
* 7297: html theme: ``bizstyle`` does not support ``sidebarwidth``
* 3842: singlehtml: Path to images broken when master doc is not in source root
* 7179: std domain: Fix whitespaces are suppressed on referring GenericObject
* 7289: console: use bright colors instead of bold
* 1539: C, parse array types.
* 2377: C, parse function pointers even in complex types.
* 7345: sphinx-build: Sphinx crashes if output directory exists as a file
* 7290: sphinx-build: Ignore bdb.BdbQuit when handling exceptions
* 6240: napoleon: Attributes and Methods sections ignore :noindex: option

2.4.4

=====================================

Bugs fixed
----------

* 7197: LaTeX: platex cause error to build image directive with target url
* 7223: Sphinx builds has been slower since 2.4.0

2.4.3

=====================================

Bugs fixed
----------

* 7184: autodoc: ``*args`` and ``**kwarg`` in type comments are not handled
properly
* 7189: autodoc: classmethod coroutines are not detected
* 7183: intersphinx: ``:attr:`` reference to property is broken
* 6244, 6387: html search: Search breaks/hangs when built with dirhtml builder
* 7195: todo: emit doctree-resolved event with non-document node incorrectly

2.4.2

=====================================

Bugs fixed
----------

* 7138: autodoc: ``autodoc.typehints`` crashed when variable has unbound object
as a value
* 7156: autodoc: separator for keyword only arguments is not shown
* 7146: autodoc: IndexError is raised on suppressed type_comment found
* 7161: autodoc: typehints extension does not support parallel build
* 7178: autodoc: TypeError is raised on fetching type annotations
* 7151: crashed when extension assigns a value to ``env.indexentries``
* 7170: text: Remove debug print
* 7137: viewcode: Avoid to crash when non-python code given

2.4.1

=====================================

Bugs fixed
----------

* 7120: html: crashed when on scaling SVG images which have float dimensions
* 7126: autodoc: TypeError: 'getset_descriptor' object is not iterable

2.4.0

=====================================

Deprecated
----------

* The ``decode`` argument of ``sphinx.pycode.ModuleAnalyzer()``
* ``sphinx.directives.other.Index``
* ``sphinx.environment.temp_data['gloss_entries']``
* ``sphinx.environment.BuildEnvironment.indexentries``
* ``sphinx.environment.collectors.indexentries.IndexEntriesCollector``
* ``sphinx.ext.apidoc.INITPY``
* ``sphinx.ext.apidoc.shall_skip()``
* ``sphinx.io.FiletypeNotFoundError``
* ``sphinx.io.get_filetype()``
* ``sphinx.pycode.ModuleAnalyzer.encoding``
* ``sphinx.roles.Index``
* ``sphinx.util.detect_encoding()``
* ``sphinx.util.get_module_source()``
* ``sphinx.util.inspect.Signature``
* ``sphinx.util.inspect.safe_getmembers()``
* ``sphinx.writers.latex.LaTeXTranslator.settings.author``
* ``sphinx.writers.latex.LaTeXTranslator.settings.contentsname``
* ``sphinx.writers.latex.LaTeXTranslator.settings.docclass``
* ``sphinx.writers.latex.LaTeXTranslator.settings.docname``
* ``sphinx.writers.latex.LaTeXTranslator.settings.title``
* ``sphinx.writers.latex.ADDITIONAL_SETTINGS``
* ``sphinx.writers.latex.DEFAULT_SETTINGS``
* ``sphinx.writers.latex.LUALATEX_DEFAULT_FONTPKG``
* ``sphinx.writers.latex.PDFLATEX_DEFAULT_FONTPKG``
* ``sphinx.writers.latex.XELATEX_DEFAULT_FONTPKG``
* ``sphinx.writers.latex.XELATEX_GREEK_DEFAULT_FONTPKG``

Features added
--------------

* 6910: inheritance_diagram: Make the background of diagrams transparent
* 6446: duration: Add ``sphinx.ext.durations`` to inspect which documents slow
down the build
* 6837: LaTeX: Support a nested table
* 7115: LaTeX: Allow to override LATEXOPTS and LATEXMKOPTS via environment
variable
* 6966: graphviz: Support ``:class:`` option
* 6696: html: ``:scale:`` option of image/figure directive not working for SVG
images (imagesize-1.2.0 or above is required)
* 6994: imgconverter: Support illustrator file (.ai) to .png conversion
* autodoc: Support Positional-Only Argument separator (PEP-570 compliant)
* autodoc: Support type annotations for variables
* 2755: autodoc: Add new event: :event:`autodoc-before-process-signature`
* 2755: autodoc: Support type_comment style (ex. `` type: (str) -> str``)
annotation (python3.8+ or `typed_ast <https://github.com/python/typed_ast>`_
is required)
* 7051: autodoc: Support instance variables without defaults (PEP-526)
* 6418: autodoc: Add a new extension ``sphinx.ext.autodoc.typehints``. It shows
typehints as object description if ``autodoc_typehints = "description"`` set.
This is an experimental extension and it will be integrated into autodoc core
in Sphinx-3.0
* SphinxTranslator now calls visitor/departure method for super node class if
visitor/departure method for original node class not found
* 6418: Add new event: :event:`object-description-transform`
* py domain: :rst:dir:`py:data` and :rst:dir:`py:attribute` take new options
named ``:type:`` and ``:value:`` to describe its type and initial value
* 6785: py domain: ``:py:attr:`` is able to refer properties again
* 6772: apidoc: Add ``-q`` option for quiet mode

Bugs fixed
----------

* 6925: html: Remove redundant type="text/javascript" from <script> elements
* 7112: html: SVG image is not layouted as float even if aligned
* 6906, 6907: autodoc: failed to read the source codes encoeded in cp1251
* 6961: latex: warning for babel shown twice
* 7059: latex: LaTeX compilation falls into infinite loop (wrapfig issue)
* 6581: latex: ``:reversed:`` option for toctree does not effect to LaTeX build
* 6559: Wrong node-ids are generated in glossary directive
* 6986: apidoc: misdetects module name for .so file inside module
* 6899: apidoc: private members are not shown even if ``--private`` given
* 6327: apidoc: Support a python package consisted of __init__.so file
* 6999: napoleon: fails to parse tilde in :exc: role
* 7019: gettext: Absolute path used in message catalogs
* 7023: autodoc: nested partial functions are not listed
* 7023: autodoc: partial functions imported from other modules are listed as
module members without :impoprted-members: option
* 6889: autodoc: Trailing comma in ``:members::`` option causes cryptic warning
* 6568: autosummary: ``autosummary_imported_members`` is ignored on generating
a stub file for submodule
* 7055: linkcheck: redirect is treated as an error
* 7088: HTML template: If ``navigation_with_keys`` option is activated,
modifier keys are ignored, which means the feature can interfere with browser
features
* 7090: std domain: Can't assign numfig-numbers for custom container nodes
* 7106: std domain: enumerated nodes are marked as duplicated when extensions
call ``note_explicit_target()``
* 7095: dirhtml: Cross references are broken via intersphinx and ``:doc:`` role
* C++:

- Don't crash when using the ``struct`` role in some cases.
- Don't warn when using the ``var``/``member`` role for function
 parameters.
- Render call and braced-init expressions correctly.
* 7097: Filenames of images generated by
``sphinx.transforms.post_transforms.images.ImageConverter``
or its subclasses (used for latex build) are now sanitized,
to prevent broken paths

2.3.1

=====================================

Bugs fixed
----------

* 6936: sphinx-autogen: raises AttributeError

2.3.0

=====================================

Incompatible changes
--------------------

* 6742: ``end-before`` option of :rst:dir:`literalinclude` directive does not
match the first line of the code block.
* 1331: Change default User-Agent header to ``"Sphinx/X.Y.Z requests/X.Y.Z
python/X.Y.Z"``.  It can be changed via :confval:`user_agent`.
* 6867: text: content of admonitions starts after a blank line

Deprecated
----------

* ``sphinx.builders.gettext.POHEADER``
* ``sphinx.io.SphinxStandaloneReader.app``
* ``sphinx.io.SphinxStandaloneReader.env``
* ``sphinx.util.texescape.tex_escape_map``
* ``sphinx.util.texescape.tex_hl_escape_map_new``
* ``sphinx.writers.latex.LaTeXTranslator.no_contractions``

Features added
--------------

* 6707: C++, support bit-fields.
* 267: html: Eliminate prompt characters of doctest block from copyable text
* 6548: html: Use favicon for OpenSearch if available
* 6729: html theme: agogo theme now supports ``rightsidebar`` option
* 6780: Add PEP-561 Support
* 6762: latex: Allow to load additional LaTeX packages via ``extrapackages`` key
of :confval:`latex_elements`
* 1331: Add new config variable: :confval:`user_agent`
* 6000: LaTeX: have backslash also be an inline literal word wrap break
character
* 4186: LaTeX: Support upLaTeX as a new :confval:`latex_engine` (experimental)
* 6812: Improve a warning message when extensions are not parallel safe
* 6818: Improve Intersphinx performance for multiple remote inventories.
* 2546: apidoc: .so file support
* 6798: autosummary: emit ``autodoc-skip-member`` event on generating stub file
* 6483: i18n: make explicit titles in toctree translatable
* 6816: linkcheck: Add :confval:`linkcheck_auth` option to provide
authentication information when doing ``linkcheck`` builds
* 6872: linkcheck: Handles HTTP 308 Permanent Redirect
* 6613: html: Wrap section number in span tag
* 6781: gettext: Add :confval:`gettext_last_translator' and
:confval:`gettext_language_team` to customize headers of POT file

Bugs fixed
----------

* 6668: LaTeX: Longtable before header has incorrect distance
(refs: `latex3/latex2e173`_)

.. _latex3/latex2e173: https://github.com/latex3/latex2e/issues/173
* 6618: LaTeX: Avoid section names at the end of a page
* 6738: LaTeX: Do not replace unicode characters by LaTeX macros on unicode
supported LaTeX engines: ¶, §, €, ∞, ±, →, ‣, –, superscript and subscript
digits go through "as is" (as default OpenType font supports them)
* 6704: linkcheck: Be defensive and handle newly defined HTTP error code
* 6806: linkcheck: Failure on parsing content
* 6655: image URLs containing ``data:`` causes gettext builder crashed
* 6584: i18n: Error when compiling message catalogs on Hindi
* 6718: i18n: KeyError is raised if section title and table title are same
* 6743: i18n: :confval:`rst_prolog` breaks the translation
* 6708: mathbase: Some deprecated functions have removed
* 6709: autodoc: mock object does not work as a class decorator
* 5070: epub: Wrong internal href fragment links
* 6712: Allow not to install sphinx.testing as runtime (mainly for ALT Linux)
* 6741: html: search result was broken with empty :confval:`html_file_suffix`
* 6001: LaTeX does not wrap long code lines at backslash character
* 6804: LaTeX: PDF build breaks if admonition of danger type contains
code-block long enough not to fit on one page
* 6809: LaTeX: code-block in a danger type admonition can easily spill over
bottom of page
* 6793: texinfo: Code examples broken following "sidebar"
* 6813: An orphan warning is emitted for included document on Windows.  Thanks
to drillan
* 6850: Fix smartypants module calls re.sub() with wrong options
* 6824: HTML search: If a search term is partially matched in the title and
fully matched in a text paragraph on the same page, the search does not
include this match.
* 6848: config.py shouldn't pop extensions from overrides
* 6867: text: extra spaces are inserted to hyphenated words on folding lines
* 6886: LaTeX: xelatex converts straight double quotes into right curly ones
(shows when :confval:`smartquotes` is ``False``)
* 6890: LaTeX: even with smartquotes off, PDF output transforms straight
quotes and consecutive hyphens into curly quotes and dashes
* 6876: LaTeX: multi-line display of authors on title page has ragged edges
* 6887: Sphinx crashes with docutils-0.16b0
* 6920: sphinx-build: A console message is wrongly highlighted
* 6900: sphinx-build: ``-D`` option does not considers ``0`` and ``1`` as a
boolean value

2.2.2

=====================================

Incompatible changes
--------------------

* 6803: For security reason of python, parallel mode is disabled on macOS and
Python3.8+

Bugs fixed
----------

* 6776: LaTeX: 2019-10-01 LaTeX release breaks :file:`sphinxcyrillic.sty`
* 6815: i18n: French, Hindi, Chinese, Japanese and Korean translation messages
has been broken
* 6803: parallel build causes AttributeError on macOS and Python3.8

2.2.1

=====================================

Bugs fixed
----------

* 6641: LaTeX: Undefined control sequence ``\sphinxmaketitle``
* 6710: LaTeX not well configured for Greek language as main language
* 6759: validation of html static paths and extra paths no longer throws
an error if the paths are in different directories

2.2.0

=====================================

Incompatible changes
--------------------

* apidoc: template files are renamed to ``.rst_t``
* html: Field lists will be styled by grid layout

Deprecated
----------

* ``sphinx.domains.math.MathDomain.add_equation()``
* ``sphinx.domains.math.MathDomain.get_next_equation_number()``
* The ``info`` and ``warn`` arguments of
``sphinx.ext.autosummary.generate.generate_autosummary_docs()``
* ``sphinx.ext.autosummary.generate._simple_info()``
* ``sphinx.ext.autosummary.generate._simple_warn()``
* ``sphinx.ext.todo.merge_info()``
* ``sphinx.ext.todo.process_todo_nodes()``
* ``sphinx.ext.todo.process_todos()``
* ``sphinx.ext.todo.purge_todos()``

Features added
--------------

* 5124: graphviz: ``:graphviz_dot:`` option is renamed to ``:layout:``
* 1464: html: emit a warning if :confval:`html_static_path` and
:confval:`html_extra_path` directories are inside output directory
* 6514: html: Add a label to search input for accessability purposes
* 5602: apidoc: Add ``--templatedir`` option
* 6475: Add ``override`` argument to ``app.add_autodocumenter()``
* 6310: imgmath: let :confval:`imgmath_use_preview` work also with the SVG
format for images rendering inline math
* 6533: LaTeX: refactor visit_enumerated_list() to use ``\sphinxsetlistlabels``
* 6628: quickstart: Use ``https://docs.python.org/3/`` for default setting of
:confval:`intersphinx_mapping`
* 6419: sphinx-build: give reasons why rebuilded

Bugs fixed
----------

* py domain: duplicated warning does not point the location of source code
* 6499: html: Sphinx never updates a copy of :confval:`html_logo` even if
original file has changed
* 1125: html theme: scrollbar is hard to see on classic theme and macOS
* 5502: linkcheck: Consider HTTP 503 response as not an error
* 6439: Make generated download links reproducible
* 6486: UnboundLocalError is raised if broken extension installed
* 6567: autodoc: :confval:`autodoc_inherit_docstrings` does not effect to
``__init__()`` and ``__new__()``
* 6574: autodoc: :confval:`autodoc_member_order` does not refer order of
imports when ``'bysource'`` order
* 6574: autodoc: missing type annotation for variadic and keyword parameters
* 6589: autodoc: Formatting issues with autodoc_typehints='none'
* 6605: autodoc: crashed when target code contains custom method-like objects
* 6498: autosummary: crashed with wrong autosummary_generate setting
* 6507: autosummary: crashes without no autosummary_generate setting
* 6511: LaTeX: autonumbered list can not be customized in LaTeX
since Sphinx 1.8.0 (refs: 6533)
* 6531: Failed to load last environment object when extension added
* 736: Invalid sort in pair index
* 6527: :confval:`last_updated` wrongly assumes timezone as UTC
* 5592: std domain: :rst:dir:`option` directive registers an index entry for
each comma separated option
* 6549: sphinx-build: Escaped characters in error messages
* 6545: doctest comments not getting trimmed since Sphinx 1.8.0
* 6561: glossary: Wrong hyperlinks are generated for non alphanumeric terms
* 6620: i18n: classifiers of definition list are not translated with
docutils-0.15
* 6474: ``DocFieldTransformer`` raises AttributeError when given directive is
not a subclass of ObjectDescription

2.1.2

=====================================

Bugs fixed
----------

* 6497: custom lexers fails highlighting when syntax error
* 6478, 6488: info field lists are incorrectly recognized

2.1.1

=====================================

Incompatible changes
--------------------

* 6447: autodoc: Stop to generate document for undocumented module variables

Bugs fixed
----------

* 6442: LaTeX: admonitions of :rst:dir:`note` type can get separated from
immediately preceding section title by pagebreak
* 6448: autodoc: crashed when autodocumenting classes with ``__slots__ = None``
* 6451: autodoc: generates docs for "optional import"ed modules as variables
* 6452: autosummary: crashed when generating document of properties
* 6455: napoleon: docstrings for properties are not processed
* 6436: napoleon: "Unknown target name" error if variable name ends with
underscore
* 6440: apidoc: missing blank lines between modules

2.1.0

=====================================

Incompatible changes
--------------------

* Ignore filenames without file extension given to ``Builder.build_specific()``
API directly
* 6230: The anchor of term in glossary directive is changed if it is consisted
by non-ASCII characters
* 4550: html: Centering tables by default using CSS
* 6239: latex: xelatex and xeCJK are used for Chinese documents by default
* ``Sphinx.add_lexer()`` now takes a Lexer class instead of instance.  An
instance of lexers are still supported until Sphinx-3.x.

Deprecated
----------

* ``sphinx.builders.latex.LaTeXBuilder.apply_transforms()``
* ``sphinx.builders._epub_base.EpubBuilder.esc()``
* ``sphinx.directives.Acks``
* ``sphinx.directives.Author``
* ``sphinx.directives.Centered``
* ``sphinx.directives.Class``
* ``sphinx.directives.CodeBlock``
* ``sphinx.directives.Figure``
* ``sphinx.directives.HList``
* ``sphinx.directives.Highlight``
* ``sphinx.directives.Include``
* ``sphinx.directives.Index``
* ``sphinx.directives.LiteralInclude``
* ``sphinx.directives.Meta``
* ``sphinx.directives.Only``
* ``sphinx.directives.SeeAlso``
* ``sphinx.directives.TabularColumns``
* ``sphinx.directives.TocTree``
* ``sphinx.directives.VersionChange``
* ``sphinx.domains.python.PyClassmember``
* ``sphinx.domains.python.PyModulelevel``
* ``sphinx.domains.std.StandardDomain._resolve_citation_xref()``
* ``sphinx.domains.std.StandardDomain.note_citations()``
* ``sphinx.domains.std.StandardDomain.note_citation_refs()``
* ``sphinx.domains.std.StandardDomain.note_labels()``
* ``sphinx.environment.NoUri``
* ``sphinx.ext.apidoc.format_directive()``
* ``sphinx.ext.apidoc.format_heading()``
* ``sphinx.ext.apidoc.makename()``
* ``sphinx.ext.autodoc.importer.MockFinder``
* ``sphinx.ext.autodoc.importer.MockLoader``
* ``sphinx.ext.autodoc.importer.mock()``
* ``sphinx.ext.autosummary.autolink_role()``
* ``sphinx.ext.imgmath.DOC_BODY``
* ``sphinx.ext.imgmath.DOC_BODY_PREVIEW``
* ``sphinx.ext.imgmath.DOC_HEAD``
* ``sphinx.transforms.CitationReferences``
* ``sphinx.transforms.SmartQuotesSkipper``
* ``sphinx.util.docfields.DocFieldTransformer.preprocess_fieldtypes()``
* ``sphinx.util.node.find_source_node()``
* ``sphinx.util.i18n.find_catalog()``
* ``sphinx.util.i18n.find_catalog_files()``
* ``sphinx.util.i18n.find_catalog_source_files()``

For more details, see :ref:`deprecation APIs list <dev-deprecated-apis>`.

Features added
--------------

* Add a helper class ``sphinx.transforms.post_transforms.SphinxPostTransform``
* Add helper methods

- ``PythonDomain.note_module()``
- ``PythonDomain.note_object()``
- ``SphinxDirective.set_source_info()``

* 6180: Support ``--keep-going`` with BuildDoc setup command
* ``math`` directive now supports ``:class:`` option
* todo: ``todo`` directive now supports ``:name:`` option
* Enable override via environment of ``SPHINXOPTS`` and ``SPHINXBUILD`` Makefile
variables (refs: 6232, 6303)
* 6287: autodoc: Unable to document bound instance methods exported as module
functions
* 6289: autodoc: :confval:`autodoc_default_options` now supports
``imported-members`` option
* 4777: autodoc: Support coroutine
* 744: autodoc: Support abstractmethod
* 6325: autodoc: Support attributes in __slots__.  For dict-style __slots__,
autodoc considers values as a docstring of the attribute
* 6361: autodoc: Add :confval:`autodoc_typehints` to suppress typehints from
signature
* 1063: autodoc: ``automodule`` directive now handles undocumented module level
variables
* 6212 autosummary: Add :confval:`autosummary_imported_members` to display
imported members on autosummary
* 6271: ``make clean`` is catastrophically broken if building into '.'
* 6363: Support ``%O%`` environment variable in make.bat
* 4777: py domain: Add ``:async:`` option to :rst:dir:`py:function` directive
* py domain: Add new options to :rst:dir:`py:method` directive

- ``:abstractmethod:``
- ``:async:``
- ``:classmethod:``
- ``:property:``
- ``:staticmethod:``

* rst domain: Add :rst:dir:`directive:option` directive to describe the option
for directive
* 6306: html: Add a label to search form for accessability purposes
* 4390: html: Consistent and semantic CSS for signatures
* 6358: The ``rawsource`` property of ``production`` nodes now contains the
full production rule
* 6373: autosectionlabel: Allow suppression of warnings
* coverage: Support a new ``coverage_ignore_pyobjects`` option
* 6239: latex: Support to build Chinese documents

Bugs fixed
----------

* 6230: Inappropriate node_id has been generated by glossary directive if term
is consisted by non-ASCII characters
* 6213: ifconfig: contents after headings are not shown
* commented term in glossary directive is wrongly recognized
* 6299: rst domain: rst:directive directive generates waste space
* 6379: py domain: Module index (py-modindex.html) has duplicate titles
* 6331: man: invalid output when doctest follows rubric
* 6351: "Hyperlink target is not referenced" message is shown even if
referenced
* 6165: autodoc: ``tab_width`` setting of docutils has been ignored
* 6347: autodoc: crashes with a plain Tuple on Python 3.6 and 3.5