I'm having major problems with Photoshop and can't seem to find a solution.
The problem persists with my mouse/cursor. I'm using a Magic Mouse on a 2015 2.9 GHz (intel Core i5) 13" MacBook Pro w/ tethered 2nd monitor. (16 GB RAM) and CC2017. macOS Sierra 10.12.5
What's happening is, the mouse/cursor seems to work fine in the OS, across all other apps, and on the canvas within P-shop, but as soon as I click into certain panels: Layers, Channels, Timeline... The cursor stutters, flipping between the Hand selector tool, and the cursor pointer tool - about 60 times per second (I only estimate this, because when I try to do a screen recording of it at 30 fps, it looks like a static Hand, or Cursor, but you don't see it flipping)...
When this happens, I can barely move the cursor, making working within Photoshop quite difficult! I have to violently move the cursor out of the panel, click somewhere else, then go back in to make a selection - however, the stuttering starts immediately again!
I had seen a similar post to this regarding an issue with CC2015 on Windows. However the fix was quite Windows specific. I need a fix for Mac!
Also, before you go right to the Magic Mouse thing... I also disconnected that, connected a wired mouse, and the problem persisted.
Any assistance would be greatly appreciated.
Please refer the feedback.Photoshop link related to the cursor issue in Mac sierra.
Also, check the Apple community link as well