I did speculate a couple (?) of months ago that QF was positioning to leave OW.
If a new alliance using the skeleton of OW does eventuate, I reckon it might be close to EK - AA - QF.
And for the very brave, why not add LA as well.
I dun think QF leaving oneworld would be any great loss. They hardly fly anywhere except domestic. For international - unless you live in sydney - there's hardly any advantage of QF over someone like CX... if I'm going MEL-PVG I have to transit SYD with QF rather than HKG with CX. pretty much same same. (and why would I fly angled when I can be full flat on CX?)
OW might lose QF, but it is gaining US. I think CX/BA/AA is a pretty formidable base for an alliance?