This also represents that Windows and Mac OS are no longer the only operating systems. Chrome and Firefox are closely equivalent. And Chrome is the leader with its dominance on Android and Desktop systems.
iOS is the only threat left and if any of the anti-trust measures against Apple are able to break Apple’s grip on the iOS enough to let Chrome or an equivalent browser act as an OS equivalent to what Chrome could do on Android, we could see a very different app ecosystem in the next decade.