The Expression Web 4 website design and development package
received an update in the form of a service pack. This package, among other things, provides for the package new tools to support modern web standards: HTML5 and CSS3.
Service Pack 1 includes IntelliSense support for the full HMTL5 specification. In addition, some editors in the Expression Web 4 package have added support for CSS3 standard properties, for example, border-radius (screenshot below).

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In addition, support for Internet Explorer 9 has been added to Expression Web 4 as a source of web page snapshots. A tool for simultaneous work with the markup of various browsers SuperPreview received a great update and support for rendering the browser Chrome and IE9. SuperPreview also added support for password-protected pages, which users have long requested.
Expression Web 4 SP1 has improved PHP support, added support for hundreds of PHP5 features, and improved some user interface features.
As trivialities: InetlliSense support was added for special characters and codes (left) and virtually all missing main browsers for the page preview function (right).


A detailed announcement of the innovations can be found at
this link .
Download Expression Web Service Pack 1
from here .
Download the updated separate Expression Web SuperPreview package
from here .