Microsoft has started testing a new split-screen feature for Edge that lets you compare two tabs side-by-side. The feature was first discovered by Leopeva64-2 on Reddit, and it’s available in an experimental flag in the beta, dev, and canary versions of Microsoft Edge. Once enabled, a new button appears alongside the address bar that lets you split an Edge window into two separate tabs side-by-side.
While you can already compare tabs next to each other in Windows by dragging a tab and then…