will be able to use Canon, Olympus and other TTL flash units to work in either on-camera TTL or via radio remote TTL mode on various camera models, initially, Sigma, Sony and Fujifilm cameras, and then Micro Four Thirds Panasonic and Olympus cameras as well as Canon, Nikon, and Pentax cameras.
they will also allow remote control of power output and automatic zoom as well as Super FP/HSS mode, low output option (less than 1/128th to allow for ultra brief exposures) and Power Sync (presumably, similar to HyperSync)
two new types of unique TTL flash exposure Locks:
store a desired flash exposure that will automatically adjust according to changes in camera settings. Gone is the ever-changing flash exposures between each TTL metering.
Flash Power Lock
lock flash power output after a desired TTL exposure is achieved. Perfect for consistency in repeat shooting. Wireless TTL functions