If you are coming from version 11 or earlier, these features are worth the upgrade price:

PTGui Pro 12 introduces a blending engine. Unlike its predecessors, it distributes brightness differences across the entire image, minimizing inconsistencies precisely where the images meet at the seams. This means you no longer need excessive overlap to hide blending errors. Even scenes with significant exposure differences or moving objects result in an absolutely seamless panorama.

: Open PTGui Pro 12 and drag your source images (RAW, TIFF, or JPEG) directly onto the Project Assistant Automatic Camera Detection

The Ultimate Guide to PTGui Pro 12: The Industry Standard for Panoramic Image Stitching