Yesterday during its online WWDC event, Apple announced a couple of new features headed to its AirPods Pro: seamless switching between audio sources (as long as they're all Apple devices), and "Spatial Audio" surround sound. Today, coincidentally or not, the company has started sending out a firmware update to the AirPods Pro, which will take them from version 2D15 to version 2D27. Unfortunately Apple doesn't publish changelogs for its AirPods updates, so we don't yet know if this is the one that enables all those new features or not. It's also not very easy to get, as with all...