In a strategic move towards modernization, Microsoft has announced the deprecation of a suite of legacy web components built on EdgeHTML. These components, which have roots in Windows 8 and the pioneering Edge browser, include Legacy Web View, HTML and JavaScript apps from Windows 8/8.1 that were later transformed into Universal Windows Platform (UWP) apps, along with first-generation Progressive Web Apps and the developer tools from the initial Edge iteration.

Transitioning to Modern Alternatives

While these EdgeHTML-based components played a substantial role in Microsoft's browser ecosystem, the time has come for them to give way to more advanced technologies. Currently, Microsoft assures that while these components won't be immediately removed, they will continue to receive essential security updates. However, new features will not be developed for them, signaling their eventual phasing out from future Windows releases.

Developers are urged to adapt by transitioning to contemporary tools such as WebView2 and Chromium-based Progressive Web Apps. These platforms are not only in line with current web standards but also promise increased security and compatibility with modern web advances. The shift illustrates Microsoft's broader commitment to enhancing user and developer experiences with streamlined, modern solutions.

Part of a Broader Technological Cleanup

The deprecation of these outdated components forms a part of a wider effort by Microsoft to clean up obsolete elements from its Windows operating systems. Such efforts have also targeted a range of other aging technologies. Alongside EdgeHTML components, applications and elements like WordPad, Mixed Reality components, NTLMv1, WMIC, and PowerShell 2.0 have been earmarked for obsolescence, each scheduled for removal or significant transformation in future updates. This comprehensive cleanup reflects Microsoft's strategic pivot towards modern technology stacks designed for heightened security and innovation.

By encouraging migration to modern alternatives, Microsoft continues to demonstrate its commitment to fostering a progressive tech landscape. The continued evolution of its platforms ensures that users and developers alike can harness the power of current and future web capabilities more effectively.

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10 Sep 2025

Microsoft Phases Out EdgeHTML Legacy Components

Microsoft is deprecating EdgeHTML legacy components from Windows 8, transitioning developers to modern standards like WebView2 and Chromium-based apps.

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