Blackmagic Design ATEM Switchers
firmware v10.2.1
Blackmagic Design · Released Jan 15, 2026 · First seen Jul 5, 2026
v10.2.1 is not the latest firmware for the Blackmagic Design ATEM Switchers: the current version is v11.0 (October 19, 2026). Go to v11.0
What's in this update
This software update adds support for cameras 41 to 80 on the GPI and Tally Interface when used with ATEM 4 M/E Constellation 4K Plus.
In addition this update resolves an intermittent issue when transitioning between sources on ATEM Constellation 4K models and when enabling downstream key tally override on ATEM 4 M/E Constellation 4K.
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