No specific info about version 15.4. Please visit the main page of Adobe Camera Raw on Mac Informer.
Easily convert raw camera files to the DNG format.
Edit images using Athentech’s Perfectly Clear image correction libraries.
It is a free utility that enables the easy creation of lens profiles
Edit time-lapse sequences in an all-raw-file-based workflow.
The Leaf Raw Converter enables you to convert the non-standard files