MathJax v2.7.2 focuses on bug fixes including a workaround for a regression in Safari as well as an important update to the speech-rule engine that underlies the MathJax Accessibility Extensions. Bug fixes Accessibility Upgrade Accessibility Extensions to v1.2.3 API Properly handle arrays of elements in Typeset() call without callbacks. #1680 #1794 Output Remap newlines to spaces. #1694 #1783 Fix placement of underlines in script styles. #1686 #1792 [CommonHTML] Fix problem with ex-height detection in some instances. #1664 #1671 [CommonHTML] Add space between fractions when useMMLspacing is in effect. #1626 #1786 [CommonHTML] Don't force width of large collections of text. #1718 #1788 [CommonHTML] Fix bounding box issues with some stretchy characters. #1712 #1789 [CommonHTML] Fix problem with table row and column lines #1711 #1790 [CommonHTML] Improve position of stretchy accents. #1735 #1787 [CommonHTML] Fix problem with <=> arrow in mhchem. 1657 #1795 [CommonHTML] Fix getNode() method not descending into all the children. #1691 #1791 [CommonHTML] Use non-combining vector arrow to work around Safari regression. #1709 #1796 [CommonHTML] [SVG] Localize some variables that where accidentally global. #1806 #1809 [HTML-CSS] Work around for regression in Safari wrt combining characters. #1737 #1775 [HTML-CSS] Handle FontFaceBug interaction with web fonts in Chrome. #1774 #1776 [HTML-CSS] Fix typo in STIX font data. #1683 #1785 [HTML-CSS] Fix positioning problem with accents at large math sizes. #1798. #1799 [HTML-CSS] [SVG] Add minimum height for accents. #1706 #1781 Input [TeX] Allow negative dimensions in \Rule and add \rule macro. #1666 #1673 [TeX] Better error messages for \shoveleft and \shoveright. #1701 #1782 [TeX] Better test for \text{} in \cases{}. #1482 #1793 [TeX] Fix spacing for aligned/alignedat. #1690 #1784 [TeX] Add more unicode-based intergrals for mediawiki-texvc. #1723 #1810 [MathML] Fix problem with namespaces on internal element. #1755 #1756 Interface Fix typo in the localization menu #1746 Update menu localization; adds: Arabic, Slovak, Thai, Traditional Chinese #1821 Misc. Fixed typos in comments #1660 Fix trailing comma #1670 Fix typo in function name #1797 Fix automatic deployment to npm #1820 For more information see also The 2.7.2 milestone for details. The announcement at