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Internet Explorer 9
Internet Explorer 9 or IE9 (officially Windows Internet Explorer 9) is the ninth major version of the Internet Explorer web browser for Windows. It was released by Microsoft on March 14, 2011, as the successor to Internet Explorer 8. Microsoft released Internet Explorer 9 as a major out-of-band version that was not tied to the release schedule of any particular version of Windows, unlike previous versions. It is the first version of Internet Explorer not to be bundled with a Windows operating system, although some OEMs have installed it with Windows on their PCs. It was the last version to be called Windows Internet Explorer. The software was rebranded simply as Internet Explorer starting with the release of Internet Explorer 10.
Internet Explorer 9 supports ECMAScript 5 (ES5), several CSS 3 properties, and embedded ICC v2 or v4 color profiles support via Windows Color System, and has improved JavaScript performance. It was the last of the major web browsers to implement support for Scalable Vector Graphics (SVG). It also features hardware-accelerated graphics rendering using Direct2D, hardware-accelerated text rendering using DirectWrite, hardware-accelerated video rendering using Media Foundation, imaging support provided by Windows Imaging Component, and high fidelity printing powered by the XML Paper Specification (XPS) print pipeline. Internet Explorer 9 also supports the HTML media tags <video> and <audio> and the Web Open Font Format (WOFF).
It is the last version to support Windows Vista SP2, Windows Server 2008 SP2, Windows 7 RTM and Windows Server 2008 R2 RTM.
Development of Internet Explorer 9 began shortly after Internet Explorer 8 was released. Microsoft began taking features suggestions through Microsoft Connect soon after Internet Explorer 8 was released. The Internet Explorer team focused on improving support and performance for HTML5, CSS3, SVG, XHTML, JavaScript, hardware acceleration, and the user interface featuring agility and "a clean new design".
Microsoft first announced Internet Explorer 9 at PDC 2009 and spoke mainly about how it takes advantage of hardware acceleration in DirectX to improve the performance of web applications and improve the quality of web typography.
Later, Microsoft announced that they had joined the W3C's SVG Working Group, which sparked speculation that Internet Explorer 9 will support the SVG W3C recommendation. This was proven to be true at MIX 10, where they demonstrated support for basic SVG markup and improved support for HTML5. They also announced that they would increase the support greatly by the time the first Internet Explorer 9 Beta was released. The Internet Explorer team also introduced the new JavaScript engine for 32-bit Internet Explorer 9, codenamed Chakra, which uses Just-in-time compilation to execute JavaScript as native code. In mid-September 2011, the Acid3 test was revised to remove a few "antiquated and unusual" tests, and as a result, IE9 now passes the test with a score of 100/100.
At MIX 10, the first Internet Explorer 9 Platform Preview was released, which featured support for CSS3 and SVG, a new JavaScript engine called Chakra, and a score of 55/100 on the Acid3 test, up from 20/100 for Internet Explorer 8. On May 5, 2010, the second Internet Explorer 9 Platform Preview was released, which featured a score of 68/100 on the Acid3 test and faster performance on the WebKit SunSpider JavaScript benchmark than the first Internet Explorer 9 Platform Preview. On June 23, 2010, the third Internet Explorer 9 Platform Preview was released, which featured a score of 83/100 on the Acid3 test and a faster JavaScript engine than the second Internet Explorer 9 Platform Preview. The third Internet Explorer 9 Platform Preview also includes support for audio, video, and canvas tags, and WOFF. On August 4, 2010, the fourth Internet Explorer 9 Platform Preview was released, which features a score of 95/100 on the Acid3 test and a faster JavaScript engine than the third Internet Explorer 9 Platform Preview. On September 15, 2010, the Internet Explorer 9 Public Beta was released alongside Platform Preview 5, featuring a new user interface. In contrast to the previews, the Beta replaces any previously installed version of Internet Explorer. The sixth Internet Explorer 9 Platform Preview was released on October 28, 2010, and includes support for CSS 2D transforms and HTML semantic elements. The seventh Internet Explorer 9 Platform Preview was released on November 17, 2010, and features better JavaScript performance.
These previews were not full builds of Internet Explorer 9, as they were for testing the latest version of the MSHTML (Trident) browser engine. They were for web developers to send feedback on the improvements made, functioned in parallel with any other installed browsers, and were previews of the renderer technology only, containing minimalistic user interfaces and lacking traditional interface elements such as an address bar and navigation buttons. Microsoft updated these previews approximately every eight weeks.
Hub AI
Internet Explorer 9 AI simulator
(@Internet Explorer 9_simulator)
Internet Explorer 9
Internet Explorer 9 or IE9 (officially Windows Internet Explorer 9) is the ninth major version of the Internet Explorer web browser for Windows. It was released by Microsoft on March 14, 2011, as the successor to Internet Explorer 8. Microsoft released Internet Explorer 9 as a major out-of-band version that was not tied to the release schedule of any particular version of Windows, unlike previous versions. It is the first version of Internet Explorer not to be bundled with a Windows operating system, although some OEMs have installed it with Windows on their PCs. It was the last version to be called Windows Internet Explorer. The software was rebranded simply as Internet Explorer starting with the release of Internet Explorer 10.
Internet Explorer 9 supports ECMAScript 5 (ES5), several CSS 3 properties, and embedded ICC v2 or v4 color profiles support via Windows Color System, and has improved JavaScript performance. It was the last of the major web browsers to implement support for Scalable Vector Graphics (SVG). It also features hardware-accelerated graphics rendering using Direct2D, hardware-accelerated text rendering using DirectWrite, hardware-accelerated video rendering using Media Foundation, imaging support provided by Windows Imaging Component, and high fidelity printing powered by the XML Paper Specification (XPS) print pipeline. Internet Explorer 9 also supports the HTML media tags <video> and <audio> and the Web Open Font Format (WOFF).
It is the last version to support Windows Vista SP2, Windows Server 2008 SP2, Windows 7 RTM and Windows Server 2008 R2 RTM.
Development of Internet Explorer 9 began shortly after Internet Explorer 8 was released. Microsoft began taking features suggestions through Microsoft Connect soon after Internet Explorer 8 was released. The Internet Explorer team focused on improving support and performance for HTML5, CSS3, SVG, XHTML, JavaScript, hardware acceleration, and the user interface featuring agility and "a clean new design".
Microsoft first announced Internet Explorer 9 at PDC 2009 and spoke mainly about how it takes advantage of hardware acceleration in DirectX to improve the performance of web applications and improve the quality of web typography.
Later, Microsoft announced that they had joined the W3C's SVG Working Group, which sparked speculation that Internet Explorer 9 will support the SVG W3C recommendation. This was proven to be true at MIX 10, where they demonstrated support for basic SVG markup and improved support for HTML5. They also announced that they would increase the support greatly by the time the first Internet Explorer 9 Beta was released. The Internet Explorer team also introduced the new JavaScript engine for 32-bit Internet Explorer 9, codenamed Chakra, which uses Just-in-time compilation to execute JavaScript as native code. In mid-September 2011, the Acid3 test was revised to remove a few "antiquated and unusual" tests, and as a result, IE9 now passes the test with a score of 100/100.
At MIX 10, the first Internet Explorer 9 Platform Preview was released, which featured support for CSS3 and SVG, a new JavaScript engine called Chakra, and a score of 55/100 on the Acid3 test, up from 20/100 for Internet Explorer 8. On May 5, 2010, the second Internet Explorer 9 Platform Preview was released, which featured a score of 68/100 on the Acid3 test and faster performance on the WebKit SunSpider JavaScript benchmark than the first Internet Explorer 9 Platform Preview. On June 23, 2010, the third Internet Explorer 9 Platform Preview was released, which featured a score of 83/100 on the Acid3 test and a faster JavaScript engine than the second Internet Explorer 9 Platform Preview. The third Internet Explorer 9 Platform Preview also includes support for audio, video, and canvas tags, and WOFF. On August 4, 2010, the fourth Internet Explorer 9 Platform Preview was released, which features a score of 95/100 on the Acid3 test and a faster JavaScript engine than the third Internet Explorer 9 Platform Preview. On September 15, 2010, the Internet Explorer 9 Public Beta was released alongside Platform Preview 5, featuring a new user interface. In contrast to the previews, the Beta replaces any previously installed version of Internet Explorer. The sixth Internet Explorer 9 Platform Preview was released on October 28, 2010, and includes support for CSS 2D transforms and HTML semantic elements. The seventh Internet Explorer 9 Platform Preview was released on November 17, 2010, and features better JavaScript performance.
These previews were not full builds of Internet Explorer 9, as they were for testing the latest version of the MSHTML (Trident) browser engine. They were for web developers to send feedback on the improvements made, functioned in parallel with any other installed browsers, and were previews of the renderer technology only, containing minimalistic user interfaces and lacking traditional interface elements such as an address bar and navigation buttons. Microsoft updated these previews approximately every eight weeks.