The term "CS3 Raw" is essentially a relic of a specific era of digital photography.
Raw files are not universal like JPEGs. Every time a camera manufacturer releases a new model (like a Canon EOS R5 or a Sony A7IV), they change the file structure. Adobe then updates their "Camera Raw" plugin to read those new files. cs3 raw
The biggest issue with using Adobe Camera Raw (ACR) in Photoshop CS3 is that it is frozen in time. The term "CS3 Raw" is essentially a relic
However, for :