One of the most important ways that Microsoft wants to make the new Chromium-based Edge different from the current EdgeHTML-based Edge is in its support for other platforms. The original Edge was, for no good reason, tied to Windows 10, meaning that Web developers on platforms such as Windows 7 or macOS had no way of testing how their pages looked, short of firing up a Windows 10 virtual machine.
The new browser is, in contrast, a cross-platform affair. The first preview builds were published for Windows 10, with versions for Windows 7, 8, and 8.1 promised soon; today, these are joined by builds for macOS.
The macOS version resembles the Windows 10 builds that we’ve seen so far, but it isn’t identical. Microsoft wants to be a good citizen on macOS by producing not just an application that fits the platform’s