Even EdgeHTML was originally based on the Microsoft Trident rendering engine used by Internet Explorer. After all, Microsoft had always gone its own way with web browsers. That announcement was shocking at the time. Microsoft announced it would replace Edge’s EdgeHTML rendering engine with the Chromium rendering engine in December 2018.

Why Did Microsoft Ditch EdgeHTML for Chromium? Microsoft offers a Chromium Edge update blocker toolkit that will set a “DoNotUpdateToEdgeWithChromium” registry value, ensuring PCs don’t automatically download and install the new Edge. However, Microsoft understands that some businesses will want to block their PCs from installing the new Edge. If you ignored the old Edge, you’re free to ignore the new Edge. Windows Update will just replace the old Edge browser on your Windows 10 PC with a new, more modern one that works better. You can stop Windows Update from installing the new Edge if you like, but we don’t recommend it. Can You Stop Microsoft From Installing It? The new Edge browser will be automatically installed on your PC if you’re using Windows 10’s May 2020 Update, November 2019 Update, or May 2019 Update.

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