New firmware is out, available here to download:
Please note the test is unscientific, and was done quickly in my hotel room!
Shot on the Sigma 18-35 1.8 / C100 internal / Wide DR Profile
I have an example of the internal Noise Reduction applied to the extended ISO's.
Footage was imported via ClipWrap (re-wrap) and exported to vimeo via FCP.

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