Late in 2018, Microsoft confirmed rumors that the company was rebuilding its Edge browser on Chromium, the open source base for Google Chrome. Today, the new version of Microsoft Edge, based on Google’s Chromium, has been officially launched on Windows and macOS. Microsoft Edge, the web browser that replaced Internet Explorer with the release of Windows 10, has been given a dramatic overhaul in the last year or so to be rebuilt on the same Chromium source code that Google Chrome is based on.