Microsoft confirms Edge switch to Chromium, Windows 7, 8 and macOS support

Microsoft confirmed earlier rumors that it will be rebuilding Edge on the Chromium platform. It will also be bringing the browsers to more platforms, including Windows 7, 8 and macOS.

The Microsoft Edge browser currently runs on the EdgeHTML engine. The new variant, codenamed Anaheim, will be rebuilt on the Chromium platform and use the Blink rendering engine and V8 JavaScript engine. Chromium is an open source browser platform developed by Google and is the basis of Google's own Chrome as well as Opera. This makes Chromium and its Blink engine the most popular on the web due to Chrome's inherent popularity and omnipresence.

The switch is largely to take advantage of this popularity. Edge currently suffers from compatibility issues with some websites, many of which are now optimized to run properly on Chrome. By switching Edge to Chromium, Microsoft can leverage some of that popularity and jump ahead of the queue instead of being in a constant battle with web developers and changing goalposts.

The move to Chromium is largely going to be something that's only under the hood. As far as the users are concerned, nothing really is going to change on the surface (no pun intended) and Edge will continue to operate as before, just with better compatibility.

Because Chromium is open source, Microsoft will also be giving back to the community, causing other Chromium browsers such as Chrome to improve as well on Windows.

The second important part of this story is that Microsoft will also be bringing this new version of Edge to more platforms. Instead of being exclusively baked into Windows 10, Edge will now be a downloadable browser on all platforms, including Windows 7, Windows 8 and, macOS. The rationale here being making developmental work easy across all platforms but it won't hurt to increase the user base as well.

This will also mean the new version of Edge will be updated more frequently. Currently, Edge updates are tied with Windows 10 updates, which means it only gets a handful of updates throughout the year but once it's decoupled from the OS, it can be updated as often as required across all platforms.

There are no concrete launch dates for this browser yet. Betas may start showing up early next year but we may be a year or so from release.

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