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R.I.P. ActiveX

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As you know, Microsoft is developing the new Microsoft Edge browser and its engine. It has been cleaned of the ballast of yesteryear like ActiveX, VBScript and attachEvent. In all, more than 220 thousand lines of MSHTML code have been removed. However, 300 thousand lines of new code has been added, so the engine has not become lighter.
R.I.P. ActiveX
Microsoft published a corporate blog post officially saying goodbye to ActiveX and explaining why they had to abandon the technology. And why they released ActiveX in the first place.
ActiveX was a framework introduced in 1996 that developers used to embed native Windows components (COM/OLE) into web pages. Such objects could be downloaded and installed directly from a website, and they were subsequently loaded and displayed in the Internet Explorer browser.
The reasons for abandoning the technology are quite obvious. The capabilities of HTML5 are enough to replace ActiveX, and HTML5 provides compatibility between different browsers.
So doing away with ActiveX is clearly a positive step for the entire web.
Microsoft’s new engine still supports native rendering of PDF and Adobe Flash documents without loading external extensions or plugins. All this is also done using the modern HTML/JavaScript model, which is compatible with HTML5.
The following technologies and programming interfaces will also not be supported in Microsoft Edge (some of them are disabled in recent versions of IE): Browser Helper Objects (BHO), Document modes, Vector Markup Language (VML), VBScript, attachEvent / removeEvent, currentStyle, conditional comments (for individual instructions to specific browser versions), IE8 markup tricks (these appeared in IE8, but were inherited in all future versions of IE), DirectX filters and others

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