June 26, 2026

AtomOS 12.7.0 Firmware Release Notes for Sumo PRO-19

Installation Instructions

Detailed instructions on how to install the latest firmware on your device can be found on the firmware download page for your product: www.atomos.com/product-support/

Improvements for Sumo PRO-19:

• Added H.265 ISO recording with Multiple SDI Inputs
• Added Final Cut XML generation to reflect switches for Multiple SDI Input recording sessions
• Added Camera Control support
• Raw support for Sony α7R VI
• Camera filename matching support for Raw recording from Sony α7R VI
• Raw support for Canon EOS R6 V
• Raw support for Leica SL3-P
• Improved CF Express card compatibility
• Added option to disable C2C Upload while recording
• Fixed Output UHD to HD downscale for 23.98/24 framerates

See www.atomos.com/sumo-pro-certified/ for supported storage & accessories.