The camera has been optimized for both horizontal and vertical video shooting. The new HorizonBalancing mode provides horizon leveling at a higher resolution.
New DJI Osmo Action 3 is better-built, longer-lasting
DJI announces Osmo Action 3, with 4K/120p recording, longer-lasting battery: Digital Photography Review
DJI Osmo Action 3 Review
Announcing the DJI Osmo Action 3 Camera
DJI Osmo Action 3 : our complete test - Maison Du Drone
DJI Osmo Action 3's Best Feature Is a Better Battery - CNET
The DJI Osmo Action 3 is a non-modular camera with long battery life even in freezing cold - news
DJI Osmo Action 4 Action Camera - Standard Combo
DJI Osmo Action 4 Action Camra - Adventure Combo
New DJI Osmo Action 3 is better-built, longer-lasting