Other than hooking my Hereflow and Here V2 GPS equip drones to MP via USB and checking for a firmware update, are there any other ways of checking? Is there a way to be informed of a new in update any other way? Like a post on FB or a message in MP?
You can check Cubepilot forum with respective section for latest updates. It’s better to follow up with things on forum so that you are aware of beta releases, stable releases and critical service bulletins. Of course @philip will usually update and share things across Facebook too.