Photoshop CC2018 on Mac
Updated November 1, 2017
Some users have reported some issues with ProSelect connecting to Photoshop CC2018 (which has just been released).
After further investigation, the problems seem to be only arising after the initial installation and setup of CC2018. The issue with ProSelect connecting to Photoshop CC2018 no longer happen after you restart your computer.
If you are still having any issues connecting to Photoshop then you should check this article: Cannot connect to Photoshop on Mac
We have yet to track down the exact cause and recommend that you do not update to CC2018 at this stage. We will update this article with news/solutions to this issue as they become available.
CC2018 on OSX Sierra
After installing the CC2018 update, ProSelect was giving a "General Photoshop error" when trying to connect to Photoshop through Applescript. However, after re-starting the computer, it seems to now working normally.
CC2018 on OSX High Sierra