Internet Explorer 10 for the next version, Michael Muchmore of "PC Magazine" tested Platform Preview 1's performance and HTML5 support with both Microsoft's and third parties' test suites. In his test, Platform Preview 1 performed better than Internet Explorer 9 but not always better than the competing web browsers. On September 13, 2011, Microsoft released the developer preview of Windows 8 to general public, which came with Internet Explorer Developer Preview (the first full browser incarnation of Internet Explorer 10). Although Internet Explorer is the last major web browser – among Mozilla Firefox, Google Chrome, Opera, and Safari – to support spell checking,
Kerning some complex typesetting functions that may be hard to implement through plug-ins (kerning in particular) may be relatively easy to implement through separate tools. The CSS property codice_1 enables kerning in Firefox, Chrome, Safari, Opera, and the Android Browser. There is also a proposed CSS3 property codice_2, but it is only supported in Firefox (prefixed with codice_3), Chrome and Opera (prefixed with codice_4 in both) and in Internet Explorer starting at version 10. The CSS3 draft suggests that kerning should always be enabled for OpenType fonts. The human perception of kerning can vary with the intraword and interword spacing during