Adobe-photoshop-cc-2015-v16-1-0-inc-update-2 -

Despite the new features, the 2015 release is frequently cited in Adobe Community forums for performance issues:

: A new, streamlined environment specifically for web and app designers that removed unnecessary legacy tools to provide a cleaner interface. adobe-photoshop-cc-2015-v16-1-0-inc-update-2

: Many users reported severe lag and "unusable" performance when working with large files or many layers, even on high-end hardware. Despite the new features, the 2015 release is

: The "Save for Web" feature was moved to a "Legacy" status, which initially frustrated long-time users. Despite the new features

photoshop cc 2015/2017 too slow, is unusable. - Adobe Community

Adobe Photoshop CC 2015 (v16.1), released in late 2015, was a significant update that introduced several design-centric features but also faced notable performance criticism from the user community. Key Features and Improvements