Not an update, but a tip: I was able to install and run CocoStudio 1.4 on an iMac by running Windows 8.1 32-bit Enterprise Evaluation (http://technet.microsoft.com/en-us/evalcenter/hh699156.aspx free for 90 days) in VMWare Fusion (http://www.vmware.com/go/tryfusion free for 30 days). From another thread, it seems it must be the 32-bit version, and from my own experience you need to install the VMWare Tools in Windows for the apps to run. I haven't fully tested it out so I don't know if it fully works, but I was able to launch the Animation Editor and play around with that.
Hopefully the 30 days will be enough to get me through till CocoStudio for Mac is available.
On a side note, since CocoStudio is free, Why not open-source it and we can help make it better?