Browser features and compatibility changes

Learn about changes to Internet Explorer itself and how these changes affect compatibility. Use these to help figure out why things seem different than they used to and, more importantly, what to do.

In this section

TopicDescription

ASP.NET fails to detect Internet Explorer

Certain versions of ASP.NET do not correctly recognize the latest version of Windows Internet Explorer and must be updated.

Customizing the download experience

Downloading files is a very common activity, and in Internet Explorer 10 we made several improvements in the file download experience and integrated the SmartScreen Application reputation check to help users make better trust decisions. This article summarizes many server side customization options available with the Microsoft Download Manager so that developers can provide the best file download experience for users.

Document modes are deprecated

Starting with Internet Explorer 11, document modes are considered deprecated and should not be used. Make sure to update webpages and apps that require legacy document modes to support modern features, browsers, and devices.

Enhanced protected mode (EPM) may be enabled on the desktop

As of IE11, enhanced protected mode may be enabled for Internet Explorer for the desktop. Update add-ins, Browser Helper Objects (BHOs), and applications using local HTML resources to support enhanced protected mode.

Interoperable (HTML5) quirks mode

In Internet Explorer 10, we've modified the default behavior of quirks mode to improve support for industry standards, such as HTML5, and to increase interoperability with other browsers. Quirks mode now exposes the same set of APIs and behavior as standards mode with limited exceptions as defined in HTML5 and related W3C specifications.

Minor changes in IE11

Here is a list of some of the minor changes made to IE11 that affect many frequently visited websites.

Pseudo hit testing is disabled in IE11 edge mode

To provide better compatibility with other browsers and a more consistent experience for all interaction events (including touch and zoom), pseudo hit testing is disabled in IE11 edge mode.

Spell checking and autocorrect support

Internet Explorer 10 now includes spell checking and autocorrect support.

Understanding the Compatibility view list

Compatibility View allows content designed for older web browsers to render well in newer versions of Windows Internet Explorer 9.

User-agent string changes

Each release of Internet Explorer updates the user-agent string; here's what's changed recently.

 

Related topics

ActiveX controls and plugin changes
CSS and layout compatibility changes
HTML and DOM compatibility changes
JavaScript compatibility changes
Legacy feature support changes
Internet Explorer compatibility changes by version

 

 

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