FUNC released a new update and it´s mandatory. There are several changes including a masternode protocol change and the cold staking ability. The cold staking feature is not yet available, but the team prepared it for the future. The updates can be found on their GitHub: https://github.com/Function-Coin/FUNC
All masternode were updated and need to be restarted. There may be a slight delay in the coming masternode rewards. All Simple Masternode users must update their wallets and restart their masternodes.