: Added automatic compensation for several lenses, including:

: Some photographers found that flash exposure became much more consistent, specifically resolving issues where exposure varied when using the Electronic Front Curtain.

: Significant speed increases for the front and rear dials, Auto review, and the power switch operation.

The update introduced several functional enhancements as detailed by Sony USA and Sony UK :

: The perceived "sluggishness" of the camera's original release firmware was considered largely resolved with this version. Installation Highlights SLT-A77V Camera Firmware Update (Windows) | Sony USA

: Better autofocus performance for scenes with high-contrast or overexposed areas.