I don't think the wallet problem is due to KGW.

Unfortunately, we are unable to reproduce the problems everyone is having.

I don't really know what else to suggest. Are you moving the wallet.dat from a different operating system?
I would quite happily try your wallet file on my QT and see if it works, then send the coins to another address for you?
Obviously, this is not ideal because you would have to trust me with your wallet file, but the offer is there.


Here is another node;