Photoshop CC 2018: Image changes don't show on screen or in navigator

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  • Problem
  • Updated 7 hours ago
  • (Edited)
Issue: Various edits made to the current document do not refresh the screen preview or the navigator panel until the canvas is clicked again, or a keyboard shortcut is invoked. This includes such interactions as showing and hiding a layer, entering quickmask mode, making a lasso selection, and using the Undo command.

After trying numerous fixes, I eventually narrowed it down to a single preference which is causing the problem for me. The issue seems to be caused by disabling the "Start" Workspace in Preferences > GeneralI fixed the problem by re-enabling the "Start" Workspace. As soon as I re-enable it and restart, the issue goes away. I can reliably reproduce the issue by again disabling the option.

Note: This issue began for me a couple weeks ago using CC 2017 18.1.1, and is still occurring after updating to CC 2018 19.0. I am on Mac OS X 10.11.6.

See the video below for a comparison of the normal with the default setting ("Start" Workspace Enabled), and then with the option disabled.

A similar issue for Photoshop CC 2017 is discussed here with no resolution:
Photo of Tim Mackey

Tim Mackey

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Posted 5 months ago

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Photo of Pete Green

Pete Green, Customer Advocate

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Official Response
Hi all, 

Sorry for the trouble with Photoshop not updating as you make changes. 
This is a bug we're still investigating, but we would love your help!

To help, download, extract, then install the following OSXCompatibility plug-in which will help provide info to debug this one.
  1. Get the plug-in
  2. Extract the .zip file. (contents OSXCompatibility.plugin)
  3. Place the OSXCompatibility.plugin file in Applications/Photoshop CC 2018/Plug-ins
  4. Start (restart) Photoshop and work around for a few minutes after reproducing the bug on your end.
This plug-in will output a photoshop_debug_output.txt file to your desktop as you work that measures Photoshop idle time.  
After a short while, please upload this photoshop_debug_output.txt file to this thread and I'll pass it onto the engineering team investigating this bug.

Hopefully this helps shed light on when and why this behavior is occurring. 

As you upload the text file, if you can please comment if you're using a Wacom tablet, and which driver you have currently installed, that would also be quite helpful.