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

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 additonal 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

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

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

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

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

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

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

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

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

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

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

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

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

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
* 6311: autosummary: autosummary table gets confused by complex type hints
* 6350: autosummary: confused by an argument having some kind of default value
* Generated Makefiles lack a final EOL (refs: 6232)
* 6375: extlinks: Cannot escape angle brackets in link caption
* 6378: linkcheck: Send commonly used User-Agent
* 6387: html search: failed to search document with haiku and scrolls themes
* 6408: html search: Fix the ranking of search results
* 6406: Wrong year is returned for ``SOURCE_DATE_EPOCH``
* 6402: image directive crashes by unknown image format
* 6286: C++, allow 8 and 9 in hexadecimal integer literals.
* 6305: Fix the string in quickstart for 'path' argument of parser
* LaTeX: Figures in admonitions produced errors (refs: 6364)

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

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

* LaTeX: some system labels are not translated
* RemovedInSphinx30Warning is marked as pending
* deprecation warnings are not emitted

- sphinx.application.CONFIG_FILENAME
- sphinx.builders.htmlhelp
- :confval:`viewcode_import`

* 6208: C++, properly parse full xrefs that happen to have a short xref as
prefix
* 6220, 6225: napoleon: AttributeError is raised for raised section having
references
* 6245: circular import error on importing SerializingHTMLBuilder
* 6243: LaTeX: 'releasename' setting for latex_elements is ignored
* 6244: html: Search function is broken with 3rd party themes
* 6263: html: HTML5Translator crashed with invalid field node
* 6262: html theme: The style of field lists has changed in bizstyle theme

* 6196: py domain: unexpected prefix is generated

Testing
--------

* Add a helper function: ``sphinx.testing.restructuredtext.parse()``

* Stop to use ``SPHINX_TEST_TEMPDIR`` envvar

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

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

* LaTeX: Remove extraneous space after author names on PDF title page (refs:
6004)
* 6026: LaTeX: A cross reference to definition list does not work
* 6046: LaTeX: ``TypeError`` is raised when invalid latex_elements given
* 6067: LaTeX: images having a target are concatenated to next line
* 6067: LaTeX: images having a target are not aligned even if specified
* 6149: LaTeX: ``:index:`` role in titles causes ``Use of \icentercr doesn't
match its definition`` error on latexpdf build
* 6019: imgconverter: Including multipage PDF fails
* 6047: autodoc: ``autofunction`` emits a warning for method objects
* 6028: graphviz: Ensure the graphviz filenames are reproducible
* 6068: doctest: ``skipif`` option may remove the code block from documentation
* 6136: ``:name:`` option for ``math`` directive causes a crash
* 6139: intersphinx: ValueError on failure reporting
* 6135: changes: Fix UnboundLocalError when any module found
* 3859: manpage: code-block captions are not displayed correctly

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

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

* 3707: latex: no bold checkmark (✔) available.
* 5605: with the documentation language set to Chinese, English words could not
be searched.
* 5889: LaTeX: user ``numfig_format`` is stripped of spaces and may cause
build failure
* C++, fix hyperlinks for declarations involving east cv-qualifiers.
* 5755: C++, fix duplicate declaration error on function templates with
constraints in the return type.
* C++, parse unary right fold expressions and binary fold expressions.
* pycode could not handle egg files on windows
* 5928: KeyError: 'DOCUTILSCONFIG' when running build
* 5936: LaTeX: PDF build broken by inclusion of image taller than page height
in an admonition
* 5231: "make html" does not read and build "po" files in "locale" dir
* 5954: ``:scale:`` image option may break PDF build if image in an admonition
* 5966: mathjax has not been loaded on incremental build
* 5960: LaTeX: modified PDF layout since September 2018 TeXLive update of
:file:`parskip.sty`
* 5948: LaTeX: duplicated labels are generated for sections
* 5958: versionadded directive causes crash with Python 3.5.0
* 5995: autodoc: autodoc_mock_imports conflict with metaclass on Python 3.7
* 5871: texinfo: a section title ``.`` is not allowed

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

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

* LaTeX: it is possible to insert custom material to appear on back of title
page, see discussion of ``'maketitle'`` key of :confval:`latex_elements`
(``'manual'`` docclass only)

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

* 5725: mathjax: Use CDN URL for "latest" version by default
* 5460: html search does not work with some 3rd party themes
* 5520: LaTeX, caption package incompatibility since Sphinx 1.6
* 5614: autodoc: incremental build is broken when builtin modules are imported
* 5627: qthelp: index.html missing in QtHelp
* 5659: linkcheck: crashes for a hyperlink containing multibyte character
* 5754: DOC: Fix some mistakes in :doc:`/latex`
* 5810: LaTeX: sphinxVerbatim requires explicit "hllines" set-up since 1.6.6
(refs: 1238)
* 5636: C++, fix parsing of floating point literals.
* 5496 (again): C++, fix assertion in partial builds with duplicates.
* 5724: quickstart: sphinx-quickstart fails when $LC_ALL is empty
* 1956: Default conf.py is not PEP8-compliant
* 5849: LaTeX: document class ``\maketitle`` is overwritten with no
possibility to use original meaning in place of Sphinx custom one
* 5834: apidoc: wrong help for ``--tocfile``
* 5800: todo: crashed if todo is defined in TextElement
* 5846: htmlhelp: convert hex escaping to decimal escaping in .hhc/.hhk files
* htmlhelp: broken .hhk file generated when title contains a double quote

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

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

* 5497: Do not include MathJax.js and jsmath.js unless it is really needed

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

* 5471: Show appropriate deprecation warnings

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

* 5490: latex: enumerated list causes a crash with recommonmark
* 5492: sphinx-build fails to build docs w/ Python < 3.5.2
* 3704: latex: wrong ``\label`` positioning for figures with a legend
* 5496: C++, fix assertion when a symbol is declared more than twice.
* 5493: gettext: crashed with broken template
* 5495: csv-table directive with file option in included file is broken (refs:
4821)
* 5498: autodoc: unable to find type hints for a ``functools.partial``
* 5480: autodoc: unable to find type hints for unresolvable Forward references
* 5419: incompatible math_block node has been generated
* 5548: Fix ensuredir() in case of pre-existing file
* 5549: graphviz Correctly deal with non-existing static dir
* 3002: i18n: multiple footnote_references referring same footnote cause
duplicated node_ids
* 5563: latex: footnote_references generated by extension causes a LaTeX
builder crash
* 5561: make all-pdf fails with old xindy version
* 5557: quickstart: --no-batchfile isn't honored
* 3080: texinfo: multiline rubrics are broken
* 3080: texinfo: multiline citations are broken

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

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

* LaTeX ``\pagestyle`` commands have been moved to the LaTeX template. No
changes in PDF, except possibly if ``\sphinxtableofcontents``, which
contained them, had been customized in :file:`conf.py`. (refs: 5455)

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

* 5418: Incorrect default path for sphinx-build -d/doctrees files
* 5421: autodoc emits deprecation warning for :confval:`autodoc_default_flags`
* 5422: lambda object causes PicklingError on storing environment
* 5417: Sphinx fails to build with syntax error in Python 2.7.5
* 4911: add latexpdf to make.bat for non make-mode
* 5436: Autodoc does not work with enum subclasses with properties/methods
* 5437: autodoc: crashed on modules importing eggs
* 5433: latex: ImportError: cannot import name 'DEFAULT_SETTINGS'
* 5431: autodoc: ``autofunction`` emits a warning for callable objects
* 5457: Fix TypeError in error message when override is prohibited
* 5453: PDF builds of 'howto' documents have no page numbers
* 5463: mathbase: math_role and MathDirective was disappeared in 1.8.0
* 5454: latex: Index has disappeared from PDF for Japanese documents
* 5432: py domain: ``:type:`` field can't process ``:term:`` references
* 5426: py domain: TypeError has been raised for class attribute

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

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

* html: search box overrides to other elements if scrolled
* i18n: warnings for translation catalogs have wrong line numbers (refs: 5321)
* 5325: latex: cross references has been broken by multiply labeled objects
* C++, fixes for symbol addition and lookup. Lookup should no longer break
in partial builds. See also 5337.
* 5348: download reference to remote file is not displayed
* 5282: html theme: ``pygments_style`` of theme was overridden by ``conf.py``
by default
* 4379: toctree shows confusing warning when document is excluded
* 2401: autodoc: ``:members:`` causes ``:special-members:`` not to be shown
* autodoc: ImportError is replaced by AttributeError for deeper module
* 2720, 4034: Incorrect links with ``:download:``, duplicate names, and
parallel builds
* 5290: autodoc: failed to analyze source code in egg package
* 5399: Sphinx crashes if unknown po file exists

* 5083: Fix wrong make.bat option for internationalization.
* 5115: napoleon: add admonitions added by 4613 to the docs.

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

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

* 5359: Make generated texinfo files reproducible by sorting the anchors

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

* 5361: crashed on incremental build if document uses include directive

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

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

* The type of ``env.included`` has been changed to dict of set

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

* 5320: intersphinx: crashed if invalid url given
* 5326: manpage: crashed when invalid docname is specified as ``man_pages``
* 5322: autodoc: ``Any`` typehint causes formatting error
* 5327: "document isn't included in any toctree" warning on rebuild with
generated files
* 5335: quickstart: escape sequence has been displayed with MacPorts' python

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

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

* 5198: document not in toctree warning when including files only for parallel
builds
* LaTeX: reduce "Token not allowed in a PDF string" hyperref warnings in latex
console output (refs: 5236)
* LaTeX: suppress "remreset Warning: The remreset package is obsolete" in latex
console output with recent LaTeX (refs: 5237)
* 5234: PDF output: usage of PAPER environment variable is broken since Sphinx
1.5
* LaTeX: fix the :confval:`latex_engine` documentation regarding Latin Modern
font with XeLaTeX/LuaLateX (refs: 5251)
* 5280: autodoc: Fix wrong type annotations for complex typing
* autodoc: Optional types are wrongly rendered
* 5291: autodoc crashed by ForwardRef types
* 5211: autodoc: No docs generated for functools.partial functions
* 5306: autodoc: ``getargspec()`` raises NameError for invalid typehints
* 5298: imgmath: math_number_all causes equations to have two numbers in html
* 5294: sphinx-quickstart blank prompts in PowerShell

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

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

* 5037: LaTeX ``\sphinxupquote{}`` breaks in Russian
* sphinx.testing uses deprecated pytest API; ``Node.get_marker(name)``
* 5016: crashed when recommonmark.AutoStrictify is enabled
* 5022: latex: crashed with docutils package provided by Debian/Ubuntu
* 5009: latex: a label for table is vanished if table does not have a caption
* 5048: crashed with numbered toctree
* 2410: C, render empty argument lists for macros.
* C++, fix lookup of full template specializations with no template arguments.
* 4667: C++, fix assertion on missing references in global scope when using
intersphinx. Thanks to Alan M. Carroll.
* 5019: autodoc: crashed by Form Feed Character
* 5032: autodoc: loses the first staticmethod parameter for old styled classes
* 5036: quickstart: Typing Ctrl-U clears the whole of line
* 5066: html: "relations" sidebar is not shown by default
* 5091: latex: curly braces in index entries are not handled correctly
* 5070: epub: Wrong internal href fragment links
* 5104: apidoc: Interface of ``sphinx.apidoc:main()`` has changed
* 4272: PDF builds of French projects have issues with XeTeX
* 5076: napoleon raises RuntimeError with python 3.7
* 5125: sphinx-build: Interface of ``sphinx:main()`` has changed
* sphinx-build: ``sphinx.cmd.build.main()`` refers ``sys.argv`` instead of given
argument
* 5146: autosummary: warning is emitted when the first line of docstring ends
with literal notation
* autosummary: warnings of autosummary indicates wrong location (refs: 5146)
* 5143: autodoc: crashed on inspecting dict like object which does not support
sorting
* 5139: autodoc: Enum argument missing if it shares value with another
* 4946: py domain: rtype field could not handle "None" as a type
* 5176: LaTeX: indexing of terms containing `, ``!``, or ``"`` fails
* 5161: html: crashes if copying static files are failed
* 5167: autodoc: Fix formatting type annotations for tuples with more than two
arguments
* 3329: i18n: crashed by auto-symbol footnote references
* 5158: autosummary: module summary has been broken when it starts with heading

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

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

* 4924: html search: Upper characters problem in any other languages
* 4932: apidoc: some subpackage is ignored if sibling subpackage contains a
module starting with underscore
* 4863, 4938, 4939: i18n doesn't handle correctly node.title as used for
contents, topic, admonition, table and section.
* 4913: i18n: literal blocks in bullet list are not translated
* 4962: C++, raised TypeError on duplicate declaration.
* 4825: C++, properly parse expr roles and give better error messages when
(escaped) line breaks are present.
* C++, properly use ``desc_addname`` nodes for prefixes of names.
* C++, parse pack expansions in function calls.
* 4915, 4916: links on search page are broken when using dirhtml builder
* 4969: autodoc: constructor method should not have return annotation
* latex: deeply nested enumerated list which is beginning with non-1 causes
LaTeX engine crashed
* 4978: latex: shorthandoff is not set up for Brazil locale
* 4928: i18n: Ignore dot-directories like .git/ in LC_MESSAGES/
* 4946: py domain: type field could not handle "None" as a type
* 4979: latex: Incorrect escaping of curly braces in index entries
* 4956: autodoc: Failed to extract document from a subclass of the class on
mocked module
* 4973: latex: glossary directive adds whitespace to each item
* 4980: latex: Explicit labels on code blocks are duplicated
* 4919: node.asdom() crashes if toctree has :numbered: option
* 4914: autodoc: Parsing error when using dataclasses without default values
* 4931: autodoc: crashed when handler for autodoc-skip-member raises an error
* 4931: autodoc: crashed when subclass of mocked class are processed by
napoleon module
* 5007: sphinx-build crashes when error log contains a "%" character

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

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

* 4885, 4887: domains: Crashed with duplicated objects
* 4889: latex: sphinx.writers.latex causes recursive import

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

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

* 4769: autodoc loses the first staticmethod parameter
* 4790: autosummary: too wide two column tables in PDF builds
* 4795: Latex customization via ``_templates/longtable.tex_t`` is broken
* 4789: imgconverter: confused by convert.exe of Windows
* 4783: On windows, Sphinx crashed when drives of srcdir and outdir are
different
* 4812: autodoc ignores type annotated variables
* 4817: wrong URLs on warning messages
* 4784: latex: :confval:`latex_show_urls` assigns incorrect footnote numbers if
hyperlinks exists inside substitutions
* 4837: latex with class memoir Error: Font command ``\sf`` is not supported
* 4803: latex: too slow in proportion to number of auto numbered footnotes
* 4838: htmlhelp: The entries in .hhp file is not ordered
* toctree directive tries to glob for URL having query_string
* 4871: html search: Upper characters problem in German
* 4717: latex: Compilation for German docs failed with LuaLaTeX and XeLaTeX
* 4459: duplicated labels detector does not work well in parallel build
* 4878: Crashed with extension which returns invalid metadata

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

Incompatible changes
--------------------
* 4520: apidoc: folders with an empty __init__.py are no longer excluded from
TOC

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

* 4669: sphinx.build_main and sphinx.make_main throw NameError
* 4685: autosummary emits meaningless warnings
* autodoc: crashed when invalid options given
* pydomain: always strip parenthesis if empty (refs: 1042)
* 4689: autosummary: unexpectedly strips docstrings containing "i.e."
* 4701: viewcode: Misplaced ``<div>`` in viewcode html output
* 4444: Don't require numfig to use :numref: on sections
* 4727: Option clash for package textcomp
* 4725: Sphinx does not work with python 3.5.0 and 3.5.1
* 4716: Generation PDF file with TexLive on Windows, file not found error
* 4574: vertical space before equation in latex
* 4720: message when an image is mismatched for builder is not clear
* 4655, 4684: Incomplete localization strings in Polish and Chinese
* 2286: Sphinx crashes when error is happens in rendering HTML pages
* 4688: Error to download remote images having long URL
* 4754: sphinx/pycode/__init__.py raises AttributeError
* 1435: qthelp builder should htmlescape keywords
* epub: Fix docTitle elements of toc.ncx is not escaped
* 4520: apidoc: Subpackage not in toc (introduced in 1.6.6) now fixed
* 4767: html: search highlighting breaks mathjax equations

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

Deprecated
----------

* 4623: ``sphinx.build_main()`` is deprecated.
* autosummary: The interface of ``sphinx.ext.autosummary.get_documenter()`` has
been changed (Since 1.7.0)
* 4664: ``sphinx.ext.intersphinx.debug()`` is deprecated.

For more details, see `deprecation APIs list
<http://www.sphinx-doc.org/en/master/extdev/index.htmldeprecated-apis>`_

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

* 4608: epub: Invalid meta tag is generated
* 4260: autodoc: keyword only argument separator is not disappeared if it is
appeared at top of the argument list
* 4622: epub: :confval:`epub_scheme` does not effect to content.opf
* 4627: graphviz: Fit graphviz images to page
* 4617: quickstart: PROJECT_DIR argument is required
* 4623: sphinx.build_main no longer exists in 1.7.0
* 4615: The argument of ``sphinx.build`` has been changed in 1.7.0
* autosummary: The interface of ``sphinx.ext.autosummary.get_documenter()`` has
been changed
* 4630: Have order on msgids in sphinx.pot deterministic
* 4563: autosummary: Incorrect end of line punctuation detection
* 4577: Enumerated sublists with explicit start with wrong number
* 4641: A external link in TOC cannot contain "?" with ``:glob:`` option
* C++, add missing parsing of explicit casts and typeid in expression parsing.
* C++, add missing parsing of ``this`` in expression parsing.
* 4655: Fix incomplete localization strings in Polish
* 4653: Fix error reporting for parameterless ImportErrors
* 4664: Reading objects.inv fails again
* 4662: ``any`` refs with ``term`` targets crash when an ambiguity is
encountered

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

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

* 4019: inheritance_diagram AttributeError stopping make process
* 4531: autosummary: methods are not treated as attributes
* 4538: autodoc: ``sphinx.ext.autodoc.Options`` has been moved
* 4539: autodoc emits warnings for partialmethods
* 4223: doctest: failing tests reported in wrong file, at wrong line
* i18n: message catalogs are not compiled if specific filenames are given for
``sphinx-build`` as arguments (refs: 4560)
* 4027: sphinx.ext.autosectionlabel now expects labels to be the same as they
are in the raw source; no smart quotes, nothig fancy.
* 4581: apidoc: Excluded modules still included


Testing
--------

* 4415: autodoc classifies inherited classmethods as regular methods
* 4415: autodoc classifies inherited staticmethods as regular methods
* 4472: DOCUMENTATION_OPTIONS is not defined
* 4491: autodoc: prefer _MockImporter over other importers in sys.meta_path
* 4490: autodoc: type annotation is broken with python 3.7.0a4+
* utils package is no longer installed
* 3952: apidoc: module header is too escaped
* 4275: Formats accepted by sphinx.util.i18n.format_date are limited
* 4493: recommonmark raises AttributeError if AutoStructify enabled
* 4209: intersphinx: In link title, "v" should be optional if target has no
version
* 4230: slowdown in writing pages with sphinx 1.6
* 4522: epub: document is not rebuilt even if config changed

* Add support for docutils 0.14
* Add tests for the ``sphinx.ext.inheritance_diagram`` extension.

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

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

* 1922: html search: Upper characters problem in French
* 4412: Updated jQuery version from 3.1.0 to 3.2.1
* 4438: math: math with labels with whitespace cause html error
* 2437: make full reference for classes, aliased with "alias of"
* 4434: pure numbers as link targets produce warning
* 4477: Build fails after building specific files
* 4449: apidoc: include "empty" packages that contain modules
* 3917: citation labels are transformed to ellipsis
* 4501: graphviz: epub3 validation error caused if graph is not clickable
* 4514: graphviz: workaround for wrong map ID which graphviz generates
* 4525: autosectionlabel does not support parallel build
* 3953: Do not raise warning when there is a working intersphinx inventory
* 4487: math: ValueError is raised on parallel build. Thanks to jschueller.
* 2372: autosummary: invalid signatures are shown for type annotated functions
* 3942: html: table is not aligned to center even if ``:align: center``

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

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

* 4181: autodoc: Sort dictionary keys when possible
* ``VerbatimHighlightColor`` is a new
:ref:`LaTeX 'sphinxsetup' <latexsphinxsetup>` key (refs: 4285)
* Easier customizability of LaTeX macros involved in rendering of code-blocks
* Show traceback if conf.py raises an exception (refs: 4369)
* Add :confval:`smartquotes` to disable smart quotes through ``conf.py``
(refs: 3967)
* Add :confval:`smartquotes_action` and :confval:`smartquotes_excludes`
(refs: 4142, 4357)

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

* 4334: sphinx-apidoc: Don't generate references to non-existing files in TOC
* 4206: latex: reST label between paragraphs loses paragraph break
* 4231: html: Apply fixFirefoxAnchorBug only under Firefox
* 4221: napoleon depends on autodoc, but users need to load it manually
* 2298: automodule fails to document a class attribute
* 4099: C++: properly link class reference to class from inside constructor
* 4267: PDF build broken by Unicode U+2116 NUMERO SIGN character
* 4249: PDF output: Pygments error highlighting increases line spacing in
code blocks
* 1238: Support ``:emphasize-lines:`` in PDF output
* 4279: Sphinx crashes with pickling error when run with multiple processes and
remote image
* 1421: Respect the quiet flag in sphinx-quickstart
* 4281: Race conditions when creating output directory
* 4315: For PDF 'howto' documents, ``latex_toplevel_sectioning='part'``
generates ``\chapter`` commands
* 4214: Two todolist directives break sphinx-1.6.5
* Fix links to external option docs with intersphinx (refs: 3769)
* 4091: Private members not documented without :undoc-members:

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

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

* 4107: Make searchtools.js compatible with pre-Sphinx1.5 templates
* 4112: Don't override the smart_quotes setting if it was already set
* 4125: Display reference texts of original and translated passages on
i18n warning message
* 4147: Include the exception when logging PO/MO file read/write

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

* 4085: Failed PDF build from image in parsed-literal using ``:align:`` option
* 4100: Remove debug print from autodoc extension
* 3987: Changing theme from alabaster causes HTML build to fail
* 4096: C++, don't crash when using the wrong role type. Thanks to mitya57.
* 4070, 4111: crashes when the warning message contains format strings (again)
* 4108: Search word highlighting breaks SVG images
* 3692: Unable to build HTML if writing .buildinfo failed
* 4152: HTML writer crashes if a field list is placed on top of the document
* 4063: Sphinx crashes when labeling directive ``.. todolist::``
* 4134: [doc] :file:`docutils.conf` is not documented explicitly
* 4169: Chinese language doesn't trigger Chinese search automatically
* 1020: ext.todo todolist not linking to the page in pdflatex
* 3965: New quickstart generates wrong SPHINXBUILD in Makefile
* 3739: ``:module:`` option is ignored at content of pyobjects
* 4149: Documentation: Help choosing :confval:`latex_engine`
* 4090: [doc] :confval:`latex_additional_files` with extra LaTeX macros should
not use ``.tex`` extension
* Failed to convert reST parser error to warning (refs: 4132)

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

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

* 3926: Add ``autodoc_warningiserror`` to suppress the behavior of ``-W``
option during importing target modules on autodoc

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

* 3924: docname lost after dynamically parsing RST in extension
* 3946: Typo in sphinx.sty (this was a bug with no effect in default context)
* :pep: and :rfc: does not supports ``default-role`` directive (refs: 3960)
* 3960: default_role = 'guilabel' not functioning
* Missing ``texinputs_win/Makefile`` to be used in latexpdf builder on windows.
* 4026: nature: Fix macOS Safari scrollbar color
* 3877: Fix for C++ multiline signatures.
* 4006: Fix crash on parallel build
* 3969: private instance attributes causes AttributeError
* 4041: C++, remove extra name linking in function pointers.
* 4038: C, add missing documentation of ``member`` role.
* 4044: An empty multicolumn cell causes extra row height in PDF output
* 4049: Fix typo in output of sphinx-build -h
* 4062: hashlib.sha1() must take bytes, not unicode on Python 3
* Avoid indent after index entries in latex (refs: 4066)
* 4070: crashes when the warning message contains format strings
* 4067: Return non-zero exit status when make subprocess fails
* 4055: graphviz: the :align: option does not work for SVG output
* 4055: graphviz: the :align: center option does not work for latex output
* 4051: ``warn()`` function for HTML theme outputs 'None' string

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

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

* latex: hint that code-block continues on next page (refs: 3764, 3792)

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

* 3821: Failed to import sphinx.util.compat with docutils-0.14rc1
* 3829: sphinx-quickstart template is incomplete regarding use of alabaster
* 3772: 'str object' has no attribute 'filename'
* Emit wrong warnings if citation label includes hyphens (refs: 3565)
* 3858: Some warnings are not colored when using --color option
* 3775: Remove unwanted whitespace in default template
* 3835: sphinx.ext.imgmath fails to convert SVG images if project directory
name contains spaces
* 3850: Fix color handling in make mode's help command
* 3865: use of self.env.warn in sphinx extension fails
* 3824: production lists apply smart quotes transform since Sphinx 1.6.1
* latex: fix ``\sphinxbfcode`` swallows initial space of argument
* 3878: Quotes in auto-documented class attributes should be straight quotes
in PDF output
* 3881: LaTeX figure floated to next page sometimes leaves extra vertical
whitespace
* 3885: duplicated footnotes raises IndexError
* 3873: Failure of deprecation warning mechanism of
``sphinx.util.compat.Directive``
* 3874: Bogus warnings for "citation not referenced" for cross-file citations
* 3860: Don't download images when builders not supported images
* 3860: Remote image URIs without filename break builders not supported remote
images
* 3833: command line messages are translated unintentionally with ``language``
setting.
* 3840: make checking ``epub_uid`` strict
* 3851, 3706: Fix about box drawing characters for PDF output
* 3900: autosummary could not find methods
* 3902: Emit error if ``latex_documents`` contains non-unicode string in py2

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

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

* 3789: Do not require typing module for python>=3.5

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

* 3754: HTML builder crashes if HTML theme appends own stylesheets
* 3756: epub: Entity 'mdash' not defined
* 3758: Sphinx crashed if logs are emitted in conf.py
* 3755: incorrectly warns about dedent with literalinclude
* 3742: `RTD <https://readthedocs.org/>`_ PDF builds of Sphinx own docs are
missing an index entry in the bookmarks and table of contents. This is
`rtfd/readthedocs.org2857
<https://github.com/rtfd/readthedocs.org/issues/2857>`_ issue, a workaround
is obtained using some extra LaTeX code in Sphinx's own :file:`conf.py`
* 3770: Build fails when a "code-block" has the option emphasize-lines and the
number indicated is higher than the number of lines
* 3774: Incremental HTML building broken when using citations
* 3763: got epubcheck validations error if epub_cover is set
* 3779: 'ImportError' in sphinx.ext.autodoc due to broken 'sys.meta_path'.
Thanks to Tatiana Tereshchenko.
* 3796: env.resolve_references() crashes when non-document node given
* 3803: Sphinx crashes with invalid PO files
* 3791: PDF "continued on next page" for long tables isn't internationalized
* 3788: smartquotes emits warnings for unsupported languages
* 3807: latex Makefile for ``make latexpdf`` is only for unixen
* 3781: double hyphens in option directive are compiled as endashes
* 3817: latex builder raises AttributeError

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

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

* LDML format  support in i18n feature
* ``sphinx.addnodes.termsep``
* Some functions and classes in ``sphinx.util.pycompat``:
``zip_longest``, ``product``, ``all``, ``any``, ``next``, ``open``,
``class_types``, ``base_exception``, ``relpath``, ``StringIO``, ``BytesIO``.
Please use the standard library version instead;

If any deprecation warning like ``RemovedInSphinxXXXWarning`` are displayed,
please refer :ref:`when-deprecation-warnings-are-displayed`.

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

* 3588: No compact (p tag) html output in the i18n document build even when
:confval:`html_compact_lists` is True.
* The ``make latexpdf`` from 1.6b1 (for GNU/Linux and Mac OS, using
``latexmk``) aborted earlier in case of LaTeX errors than was the case with
1.5 series, due to hard-coded usage of ``--halt-on-error`` option (refs 3695)
* 3683: sphinx.websupport module is not provided by default
* 3683: Failed to build document if builder.css_file.insert() is called
* 3714: viewcode extension not taking ``highlight_code='none'`` in account
* 3698: Moving :doc: to std domain broke backwards compatibility
* 3633: misdetect unreferenced citations

* 3662: ``builder.css_files`` is deprecated.  Please use ``add_stylesheet()``
API instead.

* ``sphinx.util.compat.Directive`` class is now deprecated. Please use instead
``docutils.parsers.rst.Directive``
* ``sphinx.util.compat.docutils_version`` is now deprecated
* 2367: ``Sphinx.warn()``, ``Sphinx.info()`` and other logging methods are now
deprecated.  Please use ``sphinx.util.logging`` (:ref:`logging-api`) instead.
* 3318: ``notice`` is now deprecated as LaTeX environment name and will be
removed at Sphinx 1.7. Extension authors please use ``sphinxadmonition``
instead (as Sphinx does since 1.5.)
* ``Sphinx.status_iterator()`` and ``Sphinx.old_status_iterator()`` is now
deprecated.  Please use ``sphinx.util:status_iterator()`` instead.
* ``Sphinx._directive_helper()`` is deprecated. Please use
``sphinx.util.docutils.directive_helper()`` instead.
* ``BuildEnvironment.set_warnfunc()`` is now deprecated
* Following methods of ``BuildEnvironment`` is now deprecated.

- ``BuildEnvironment.note_toctree()``
- ``BuildEnvironment.get_toc_for()``
- ``BuildEnvironment.get_toctree_for()``
- ``BuildEnvironment.create_index()``

Please use ``sphinx.environment.adapters`` modules instead.
* latex package  ``footnote`` is not loaded anymore by its bundled replacement
``footnotehyper-sphinx``. The redefined macros keep the same names as in the
original package.
* 3429: deprecate config setting ``latex_keep_old_macro_names``. It will be
removed at 1.7, and already its default value has changed from ``True`` to
``False``.
* 3221: epub2 builder is deprecated
* 3254: ``sphinx.websupport`` is now separated into independent package;
``sphinxcontrib-websupport``.  ``sphinx.websupport`` will be removed in
Sphinx-2.0.
* 3628: ``sphinx_themes`` entry_point is deprecated.  Please use
``sphinx.html_themes`` instead.

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

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

* 3614: Sphinx crashes with requests-2.5.0
* 3618: autodoc crashes with tupled arguments
* 3664: No space after the bullet in items of a latex list produced by Sphinx
* 3657: EPUB builder crashes if a document starting with genindex exists
* 3588: No compact (p tag) html output in the i18n document build even when
:confval:`html_compact_lists` is True.
* 3685: AttributeError when using 3rd party domains
* 3702: LaTeX writer styles figure legends with a hard-coded ``\small``
* 3708: LaTeX writer allows irc scheme
* 3717: Stop enforcing that favicon's must be .ico
* 3731, 3732: Protect isenumclass predicate against non-class arguments
* 3320: Warning about reference target not being found for container types
* Misspelled ARCHIVEPREFIX in Makefile for latex build repertory

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

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

* 3597: python domain raises UnboundLocalError if invalid name given
* 3599: Move to new MathJax CDN

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

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

* 3470: Make genindex support all kinds of letters, not only Latin ones

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

* 3445: setting ``'inputenc'`` key to ``\\usepackage[utf8x]{inputenc}`` leads
to failed PDF build
* EPUB file has duplicated ``nav.xhtml`` link in ``content.opf``
except first time build
* 3488: objects.inv has broken when ``release`` or ``version`` contain
return code
* 2073, 3443, 3490: gettext builder that writes pot files unless the content
are same without creation date. Thanks to Yoshiki Shibukawa.
* 3487: intersphinx: failed to refer options
* 3496: latex longtable's last column may be much wider than its contents
* 3507: wrong quotes in latex output for productionlist directive
* 3533: Moving from Sphinx 1.3.1 to 1.5.3 breaks LaTeX compilation of links
rendered as code
* 2665, 2607: Link names in C++ docfields, and make it possible for other
domains.
* 3542: C++, fix parsing error of non-type template argument with template.
* 3065, 3520: python domain fails to recognize nested class
* 3575: Problems with pdflatex in a Turkish document built with sphinx has
reappeared (refs 2997, 2397)
* 3577: Fix intersphinx debug tool
* A LaTeX command such as ``\\large`` inserted in the title items of
:confval:`latex_documents` causes failed PDF build (refs 3551, 3567)

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

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

* Support requests-2.0.0 (experimental) (refs: 3367)
* (latex) PDF page margin dimensions may be customized (refs: 3387)
* ``literalinclude`` directive allows combination of ``:pyobject:`` and
``:lines:`` options (refs: 3416)
* 3400: make-mode doesn't use subprocess on building docs

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

* 3370: the caption of code-block is not picked up for translation
* LaTeX: :confval:`release` is not escaped (refs: 3362)
* 3364: sphinx-quickstart prompts overflow on Console with 80 chars width
* since 1.5, PDF's TOC and bookmarks lack an entry for general Index
(refs: 3383)
* 3392: ``'releasename'`` in :confval:`latex_elements` is not working
* 3356: Page layout for Japanese ``'manual'`` docclass has a shorter text area
* 3394: When ``'pointsize'`` is not ``10pt``, Japanese ``'manual'`` document
gets wrong PDF page dimensions
* 3399: quickstart: conf.py was not overwritten by template
* 3366: option directive does not allow punctuations
* 3410: return code in :confval:`release` breaks html search
* 3427: autodoc: memory addresses are not stripped on Windows
* 3428: xetex build tests fail due to fontspec v2.6 defining ``\strong``
* 3349: Result of ``IndexBuilder.load()`` is broken
* 3450: &nbsp is appeared in EPUB docs
* 3418: Search button is misaligned in nature and pyramid theme
* 3421: Could not translate a caption of tables
* 3552: linkcheck raises UnboundLocalError

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

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

* Dependency requirement updates: requests 2.4.0 or above (refs: 3268, 3310)

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

* 3241: emit latex warning if buggy titlesec (ref 3210)
* 3194: Refer the $MAKE environment variable to determine ``make`` command
* Emit warning for nested numbered toctrees (refs: 3142)
* 978: `intersphinx_mapping` also allows a list as a parameter
* 3340: (LaTeX) long lines in :dudir:`parsed-literal` are wrapped like in
:rst:dir:`code-block`, inline math and footnotes are fully functional.

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

* 3246: xapian search adapter crashes
* 3253: In Py2 environment, building another locale with a non-captioned
toctree produces ``None`` captions
* 185: References to section title including raw node has broken
* 3255: In Py3.4 environment, autodoc doesn't support documentation for
attributes of Enum class correctly.
* 3261: ``latex_use_parts`` makes sphinx crash
* The warning type ``misc.highlighting_failure`` does not work
* 3294: ``add_latex_package()`` make crashes non-LaTeX builders
* The caption of table are rendered as invalid HTML (refs: 3287)
* 3268: Sphinx crashes with requests package from Debian jessie
* 3284: Sphinx crashes on parallel build with an extension which raises
unserializable exception
* 3315: Bibliography crashes on latex build with docclass 'memoir'
* 3328: Could not refer rubric implicitly
* 3329: emit warnings if po file is invalid and can't read it. Also writing mo
* 3337: Ugly rendering of definition list term's classifier
* 3335: gettext does not extract field_name of a field in a field_list
* 2952: C++, fix refs to operator() functions.
* Fix Unicode super- and subscript digits in :rst:dir:`code-block` and
parsed-literal LaTeX output (ref 3342)
* LaTeX writer: leave ``"`` character inside parsed-literal as is (ref 3341)
* 3234: intersphinx failed for encoded inventories
* 3158: too much space after captions in PDF output
* 3317: An URL in parsed-literal contents gets wrongly rendered in PDF if
with hyphen
* LaTeX crash if the filename of an image inserted in parsed-literal
via a substitution contains an hyphen (ref 3340)
* LaTeX rendering of inserted footnotes in parsed-literal is wrong (ref 3340)
* Inline math in parsed-literal is not rendered well by LaTeX (ref 3340)
* 3308: Parsed-literals don't wrap very long lines with pdf builder (ref 3340)
* 3295: Could not import extension sphinx.builders.linkcheck
* 3285: autosummary: asterisks are escaped twice
* LaTeX, pass dvipdfm option to geometry package for Japanese documents (ref
3363)
* Fix parselinenos() could not parse left half open range (cf. "-4")

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

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

* 3214: Allow to suppress "unknown mimetype" warnings from epub builder using
:confval:`suppress_warnings`.

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

* 3195: Can not build in parallel
* 3198: AttributeError is raised when toctree has 'self'
* 3211: Remove untranslated sphinx locale catalogs (it was covered by
untranslated it_IT)
* 3212: HTML Builders crashes with docutils-0.13
* 3207: more latex problems with references inside parsed-literal directive
(``\DUrole``)
* 3205: sphinx.util.requests crashes with old pyOpenSSL (< 0.14)
* 3220: KeyError when having a duplicate citation
* 3200: LaTeX: xref inside desc_name not allowed
* 3228: ``build_sphinx`` command crashes when missing dependency
* 2469: Ignore updates of catalog files for gettext builder. Thanks to
Hiroshi Ohkubo.
* 3183: Randomized jump box order in generated index page.

* 3069: Even if ``'babel'`` key is set to empty string, LaTeX output contains
one ``\addto\captions...``
* 3123: user ``'babel'`` key setting is not obeyed anymore
* 3155: Fix JavaScript for `html_sourcelink_suffix` fails with IE and Opera
* 3085: keep current directory after breaking build documentation. Thanks to
Timotheus Kampik.
* 3181: pLaTeX crashes with a section contains endash
* 3180: latex: add stretch/shrink between successive singleline or
multipleline cpp signatures (ref 3072)
* 3128: globing images does not support .svgz file
* 3015: fix a broken test on Windows.
* 1843: Fix documentation of descriptor classes that have a custom metaclass.
Thanks to Erik Bray.
* 3190: util.split_docinfo fails to parse multi-line field bodies
* 3024, 3037: In Python3, application.Sphinx._log crushed when the log message
cannot be encoded into console encoding.

Testing
--------

* To simplify, sphinx uses external mock package even if unittest.mock exists.

* 2432: Fix unwanted * between varargs and keyword only args. Thanks to Alex
Grönholm.
* 3062: Failed to build PDF using 1.5a2 (undefined ``\hypersetup`` for
Japanese documents since PR3030)
* Better rendering of multiline signatures in html.
* 777: LaTeX output "too deeply nested" (ref 3096)
* Let LaTeX image inclusion obey ``scale`` before textwidth fit (ref 2865,
3059)
* 3019: LaTeX fails on description of C function with arguments (ref 3083)
* fix latex inline literals where ``< > -`` gobbled a space

* 2810: Problems with pdflatex in an Italian document
* Use ``latex_elements.papersize`` to specify papersize of LaTeX in Makefile
* 2988: linkcheck: retry with GET request if denied HEAD request
* 2990: linkcheck raises "Can't convert 'bytes' object to str implicitly" error
if linkcheck_anchors enabled
* 3004: Invalid link types "top" and "up" are used
* 3009: Bad rendering of parsed-literals in LaTeX since Sphinx 1.4.4
* 3000: ``option`` directive generates invalid HTML anchors
* 2984: Invalid HTML has been generated if `html_split_index` enabled
* 2986: themes/basic/defindex.html should be changed for html5 friendly
* 2987: Invalid HTML has been generated if multiple IDs are assigned to a list
* 2891: HTML search does not provide all the results
* 1986: Title in PDF Output
* 147: Problem with latex chapter style
* 3018: LaTeX problem with page layout dimensions and chapter titles
* Fix an issue with ``\pysigline`` in LaTeX style file (ref 3023)
* 3038: ``sphinx.ext.math*`` raises TypeError if labels are duplicated
* 3031: incompatibility with LaTeX package ``tocloft``
* 3003: literal blocks in footnotes are not supported by Latex
* 3047: spacing before footnote in pdf output is not coherent and allows breaks
* 3045: HTML search index creator should ignore "raw" content if now html
* 3039: English stemmer returns wrong word if the word is capitalized
* Fix make-mode Makefile template (ref 3056, 2936)

* 2707: (latex) the column width is badly computed for tabular
* 2799: Sphinx installs roles and directives automatically on importing sphinx
module.  Now Sphinx installs them on running application.
* `sphinx.ext.autodoc` crashes if target code imports * from mock modules
by `autodoc_mock_imports`.
* 1953: ``Sphinx.add_node`` does not add handlers the translator installed by
``html_translator_class``
* 1797: text builder inserts blank line on top
* 2894: quickstart main() doesn't use argv argument
* 2874: gettext builder could not extract all text under the ``only``
directives
* 2485: autosummary crashes with multiple source_suffix values
* 1734: Could not translate the caption of toctree directive
* Could not translate the content of meta directive (ref: 1734)
* 2550: external links are opened in help viewer
* 2687: Running Sphinx multiple times produces 'already registered' warnings

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

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

* 2936: Fix doc/Makefile that can't build man because doc/man exists
* 3058: Using the same 'caption' attribute in multiple 'toctree' directives
results in warning / error
* 3068: Allow the '=' character in the -D option of sphinx-build.py
* 3074: ``add_source_parser()`` crashes in debug mode
* 3135: ``sphinx.ext.autodoc`` crashes with plain Callable
* 3150: Fix query word splitter in JavaScript. It behaves as same as Python's
regular expression.
* 3093: gettext build broken on substituted images.
* 3093: gettext build broken on image node under ``note`` directive.
* imgmath: crashes on showing error messages if image generation failed
* 3117: LaTeX writer crashes if admonition is placed before first section title
* 3164: Change search order of ``sphinx.ext.inheritance_diagram``