Version 9.1.1 wasn't just about new hardware; it also polished the existing user experience:
This update represents the final expansion of camera compatibility for the standalone version of Photoshop before Adobe shifted entirely to the Creative Cloud subscription model. Why Version 9.1.1 is Critical for CS6 Users Camera Raw 9.1.1 Download
As a result, ACR 9.1.1 is the mandatory terminal update for anyone who refuses to move to a monthly subscription but still wants to edit Raw files from relatively modern cameras. New Cameras Supported in 9.1.1 Version 9
Beyond camera bodies, it also added numerous for brands like Sigma, Zeiss, and Lensbaby to automate the correction of distortion and vignetting. Bug Fixes and Performance Improvements Bug Fixes and Performance Improvements For years, Adobe
For years, Adobe promised to maintain Camera Raw support for CS6 even after moving toward a subscription service. However, as imaging technology advanced, the company decided to end updates for older platforms to focus on "further innovations in image processing".
Improved the speed of loading Fujifilm X-Trans raw images.