This is the one with Apple Fitness+.
iPadOS 14
iOS 14.1 and iPadOS 14.1 IPSW Direct Download Links
This is the one with the intercom feature for HomePods, but make sure to go through the on-boarding process in the Home app first, since it doesn’t seem to want to work otherwise.
iOS 14.0.1, iPadOS 14.0.1, and tvOS 14.0.1 IPSW Direct Download Links
This is a small bug-fix update but well worth it, considering how buggy 14.0 is. I’m currently on the 14.2 beta and even that one is far from perfect.
iOS 14, iPadOS 14, tvOS 14, and watchOS 7 IPSW Direct Download Links
Don’t forget to backup your device first and please be warned — iOS 14 and iPadOS 14 are still chock full of small bugs. You might have some software issues with your apps too, if they haven’t been updated yet.