Sigma has just released a new firmware for FE 24-70mm f/2.8 DG DN Art lens (B&H Photo Video/Adorama/Focus Camera) for Sony E-mount. You can download this firmware here.
[Benefit of the update]
・It has corrected the phenomenon whereby the image is disturbed during the focus drive when the camera is set to auto with the distortion correction function in the camera and shooting a movie.
・It has improved the effect of the in-body peripheral illumination correction function.