Apple's WWDC 2021 is done and dusted, and while the developer's conference is set to last the majority of this week we've heard all about a bunch of new software. macOS Monterey was one of the stars of the show, with the new name coming to replace Big Sur as the new Mac operating system. It was Universal Control, where you can use a MacBook or iPad as a second or third screen just by placing them next to each other, that stole the show for us, but we saw new tweaks and design upgrades to…