I wouldn't put my hopes up in any shipping here. Hussie set sail on them just to make them go all titanic in either tragic way or with they ending off-screen. Most of the times, we only know the relationship started at some point, already ended and some character will be either confused or have lingering feelings of sorts.
That being said, I don't have anything against Davekat even though I'm mainly a davejade shipper... and also a johnroxy shipper. I'm more of worried with the shit that will happen due to Caliborn's final battle spoilers, which essentially mean the beta kids will be separated from all the other protagonists for a while, which would lead for the ones left behind to go through quite the suffering wihtout their loved ones, that will be locked for eons in a juju