The Photoshop team has tested the following versions of Photoshop on Mac OSX 10.10 (Yosemite) and found no issues specific to this operating system:
- Photoshop CC 2014 (2014.2)
- Photoshop CC (14.2.1)
- Photoshop CS6 (13.0.6; 13.1.2)
If you do encounter an issue, please let us know.
For compatibility with other Adobe applications, see the following doc: Mac OS X Yosemite (10.10) compatibility FAQs