A couple of 12 months in the past, Microsoft unveiled a transition from React to WebUI 2.0 for Edge in an try and make the browser sooner, particularly on lower-end gadgets that can’t boast the quickest processors and SSDs. It began with the introduction of WebUI 2.0 for the Browser Necessities interface in Edge 122, and now, Microsoft is supercharging extra elements of its browser.

In a brand new weblog publish, Microsoft introduced that “a minimum of 14” completely different areas of the consumer interface in Microsoft Edge now use WebUI 2.0 as a substitute of React. They embody parts like Favorites, Browser Necessities, Downloads, and extra. Consequently, they load as much as 40% sooner than earlier than on common. Right here is an instance exhibiting Microsoft Edge opening the downloads interface over 50% sooner:

Right here is one other instance that exhibits an enormous efficiency enchancment when loading Browser Necessities:

Microsoft says these efficiency enhancements have been made doable by minimizing the scale of code bundles and the quantity of unnecessarily shared code between parts:

On this challenge, we constructed a completely new markup-first structure that minimizes the scale of our bundles of code, and the quantity of JavaScript code that runs in the course of the initialization path of the UI. This new inside UI structure is extra modular, and we now depend on a repository of net parts which can be tuned for efficiency on trendy net engines. 

Though Edge already has a lot of its UI elements based mostly on WebUI 2.0, there are nonetheless loads of parts left to improve. Future Microsoft Edge updates will carry WebUI 2.0 to different essential interface areas just like the Settings part, print preview, Learn Aloud, and extra.

All these efficiency enhancements can be found in Microsoft Edge 132, which was launched in January 2025. To examine your Microsoft Edge model, head to edge://settings/assist or edge://model. In different information, Microsoft additionally shipped a giant replace for Edge’s built-in Surf sport, which now options extra customization, a brand new sport mode, reworked graphics, and extra.