@dzimbeck thanks for the reaction, I run QT wallet. Tried to add nodes which are running this latest wallet (from this explorer:
https://chainz.cryptoid.info/bay/#!network) , but still the same. Some progress and hours of nothing after that. Never mind, I will sync it somehow, there is about 1/3 of the chain to download left. I have to close/open wallet again and again. Bootstrap could be fine, but there is no official download link and taking the one from somebody on the Internet is not the best solution.
You have to be patient, it takes 10 days to sync the chain at least without bootstrap.