Atomos announced a free firmware update that adds ProRes RAW support to Atomos Shogun Inferno and Sumo19. They join Atomos Ninja V, announced this week, which ships with ProRes RAW support.
Simply download and install the Atomos 9 firmware and Shogun Inferno and Sumo19 will be able to record ProRes RAW and ProRes RAW HQ using any of nine supported cinema cameras including the newly announced Sony FS5 II
Atomos Sumo19 is on sale through April 15, 2018.