ATEM Switchers firmware v10.2.1
Blackmagic Design · Released Jan 15, 2026 · First seen by GearPulse Jul 5, 2026
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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