Panasonic has issued a press release that Panasonic Lumix S1 (B&H Photo Video/Adorama/Amazon) 4:2:2 10-bit and V-Log paid upgrade will be released in this July, pricing for this upgrade has yet to be determined, though Panasonic says that it will be announced sooner than July.
Here is the first autofocus test of Panasonic Lumix S1 (B&H Photo Video/Adorama/Amazon) with firmware version 1.0. We can see the autofocus works very accurate, but not as fast as other recently released cameras.
Youtube user Darryl Carey has tested the new Panasonic Lumix S1R (B&H Photo Video/Adorama/Amazon) with the firmware version 1.0. You can watch the full video above, along with some sample images taken by Panasonic S1R.