0.17.0.3 worked stable, with 0.17.0.4 there are again problems. The wallets loose over the day 3-4 times their blockchain. There are already more than 51% nodes 0.17.0.4 in the chain, but not all are correct recognized. And there are again crashing wallets, not so often like with 0.17.0.1, but it happens again.
And MN is always online, but only sometime got rewards. in 7.3 MN rewards was good, continous. In 7.4 not continous...