v0.10.0-rc

Possible breaking changes:

• The folder structure of archives (tarball and zip) has been changed: files now reside at the root.
• Only "http", "https", "mailto", and relative URLs are allowed in \href and \url by default.

Bug fixes:

• Update fonts to remove \neq and \notin glyphs (#1499)
• Phantom text (#1449)
• Fix arrowheads for mhchem <--> (#1451)
• Set documentFragment.style to empty object (#1471)
• Remove tree cloning before building HTML (#1470)
• Fix \operatorname to support general math functions (#1461)
• Use \not character without left side-bearing correction (#1267)
• Remove codes that require expensive polyfill (#1469, #1563, #1591, #1597)
• Fix \not vertical alignment (#1497)
• Comments without terminating newlines, \href fixes, \url support (#1529)
• Fix \textdaggerdbl (#1539)
• Fix \neq (#1548, #1574)
• Fix wide characters (#1549)
• Fix \fbox (#1550)
• Fix \Large roots (#1485)
• index.html: replace font, make responsive, improve demo (#1547, #1577, #1615, #1601)

New features:

• Unicode corner (#1459)
• Support \gdef in multiple equations in auto-render (#1425)
• \oiint and \oiiint (#1430)
• Remove match-at dependency, use RegExp for lexer (#1447)
• \brace and \brack (#1453)
• Allow only allowed protocols in \href (#1440)
• \genfrac and \above (#1455, #1458)
• \char character escaping and nicer MathML via \html@mathml (#1454)
• @binrel (#1487)
• \pmb (#1418)
• KaTeX website & documentation (#1484, #1515, #1518, #1514, #1526, #1516, #1519, #1527, #1564, #1566, #1584)
• Improve supported functions documentation (#1511, #1517, #1532, #1533, #1576, #1556, #1580, #1602)
• Alpha sorted function support page (#1536)
• MediaWiki (texvc) (#1558)
• Add ignore option for class names in auto-render (#1555)
• ScrollSpy for table of contents in the documentation (#1557, #1567, #1568)
• Build ECMAScript modules (#1479, #1622)
• Enable environment variable USE_TTF to disable bundling TTF fonts (#1600)
• List of KaTeX users (#1569, #1579)

Other changes:

• Port to @flow: buildMathML, parseNode (#1486, #1534, #1541, #1542, #1551, #1552, #1554, #1559, #1606, #1609, #1612, #1637)
• Online screenshot diff/generation using CircleCI (#1187)
• Add display/displayMode toggle on test page (#1193)
• Change CDN links (#1243)
• Changelog for KaTeX (#1322)
• Move test helpers into common modules (#1318)
• Add regenerate option to the screenshotter (#1220)
• Upgrade to webpack 4 (#1337, #1435)
• Automatic submodule updating via husky tool (#1391)
• Refactor test helpers (#1336)
• Change build directory to dist and cleanup NPM scripts (#1500, #1610)
• Switch from nomnom to commander (#1496)
• Add test job to CircleCI (#1235)
• Switch npm to Yarn (#1522, #1528)
• Improve release script & enable versioning documentation (#1521, #1603)
• Enable stylelint-config-standard, lint CSS files (#1575)
• Rename Screenshotter -> screenshotter (#1573)