LibertyFarmer on Nostr: Hey npub1az9xj…8y8is there a upgrade firmware version limit for mk3? Hey npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8is (npub1az9…y8is) there a upgrade firmware version limit for mk3?