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Tasman was a browser engine developed by Microsoft for use in the Macintosh port of Internet Explorer 5. Tasman attempted to improve support for web standards, as defined by the World Wide Web Consortium. When it was released, Tasman was seen as the layout engine with the best support for web standards such as HTML and CSS. Internet Explorer for Mac is no longer supported, but newer versions of Tasman were incorporated into some other Microsoft products, such as MSN for Mac OS X and Office 2004 for Mac.

Microsoft stopped the development of IE for Mac in 2003. By 2005, they discontinued support for the browser, and the application was removed from the Microsoft downloads website in 2006.

Tantek Çelik led the software team that developed the Tasman engine.

Version history

The first version of Tasman, referred to as "v0", was released with Internet Explorer 5 Macintosh Edition on March 27, 2000.^{[citation needed]} An upgraded version, version 0.1, followed with the release of Internet Explorer 51 for Mac.

On May 15, 2003, Microsoft released the subscription-only MSN for Mac OS X browser, which used an upgraded version of Tasman (version 0.9) as its layout engine. In a posting to the Mac Internet Explorer Talk list, Internet Explorer for Mac program manager Jimmy Grewal listed improvements:

• Full Unicode support
• Improved CSS support, with CSS 3 Selectors, CSS TV Profile, and @media
• Improved DOM support with DOM 1 Core and DOM 2 Core, Style, and Events. Improved compatibility with Windows IE DO
• XHTML 1.0 and 1.1 support, although it is not activated in MSN for Mac OS X.
• Better support for Mac OS X features such as CoreGraphics, ATSUI, and CFSocket networking.

For a while, Tasman was improved as part of a number of TV set-top box projects at Microsoft reaching version 1.0. The Tasman engine is now used in the Microsoft TV Mediaroom Edition.^{[citation needed]}

On May 11, 2004, Microsoft started shipping Microsoft Office 2004 for Mac, which incorporates a version of the Tasman layout engine in the Entourage email client. Since Microsoft Office for Mac 2011, Entourage has been succeeded by the Macintosh port of Microsoft Outlook, which instead uses a WebKit-based layout engine.

References

External links

• Tasman at Wikipedia