Attention

Version 3 is now the current version of MathJax. This document is for version 2.

# What’s New in MathJax v2.3¶

MathJax v2.3 includes a number of new features, as well a more than 30 important bug fixes.

## Features:¶

*New webfonts:*MathJax v2.3 adds new webfonts for`STIX`

,`Asana Math`

,`Neo Euler`

,`Gyre Pagella`

,`Gyre Termes`

, and`Latin Modern`

.*Localization improvements:*MathJax has been accepted into TranslateWiki.net. Thanks to the TWN community we could add 12 complete and over 20 partial translations.*MathML improvements:*MathJax’s “Show Math as” menu will now expose the MathML annotation features. There are also two new preview options for the MathML input mode:`mathml`

(now the default), which uses the original MathML as a preview, and`altimage`

, which uses the`<math>`

element’s`altimg`

(if any) for the preview.*Miscellaneous improvements:*A new extension`MatchWebFonts`

improves the interaction with the surrounding content when that uses a webfont. A new configuration method allows configurations to be specified using a regular JavaScript variable`window.MathJax`

.- MathJax is now available as a Bower package thanks to community contributions.

## TeX input:¶

- Prevent the TeX pre-processor from rendering TeX in MathML annotation-xml elements. (Issue #484)
- Fix sizing issue in
`cases`

environment (Issue #485)

## Fonts:¶

- Fix block-letter capital I (U+2111) appearing as J in MathJax font (Issue #555)

## MathML:¶

- Improved workarounds for MathML output on WebKit (Issue #482)
- Handle empty
`multiscript`

,`mlabeledtr`

, and other nodes in Native MathML output (Issue #486) - Replace non-standard
`MJX-arrow`

class by new`menclose`

notation (Issue #481) - Fix incorrect widths in Firefox MathML output (Issue #558)
- Fix display math not being centered in XHTML (Issue #650)
- Fix problem when LaTeX code appears in
`annotation`

node (Issue #484)

## HTML-CSS/SVG output¶

- Fix MathJax not rendering in Chrome when sessionStorage is disabled (Issue #584)
- Fix
`\mathchoice`

error with linebreaking in SVG output (Issue #604) - Fix poor linebreaking of “flat” MathML with unmatched parentheses (Issue #523)

## Interface:¶

- Fix Double-Click zoom trigger (Issue #590)

## Miscellaneous:¶

- Localization: improved fallbacks for IETF tags (Issue #492)
- Localization: support RTL in messages (Issue #627)
- Improve PNG compression (Issue #44)