Photoshop 21.0: Errors when using Knock Out Layers

  • 1
  • Problem
  • Updated 8 months ago
  • Solved
  • (Edited)
When I open a document with a Layer Group set to Knock Out (Shallow in this case), it appears to not be working (i.e., not knocking anything out), but when I simply click on the Layer Group to open Layer Styles, the knock out suddenly appears correctly. However if I then save the doc and reopen it the problem is back. 

Also, I frequently make Knock Out Layer Groups which contains other Knock Outs within them (i.e., punch a hole in a full-canvas Knock Out layer). These do not seem to be working either (at least not in legacy documents), although I've had limited success in rebuilding them from scratch. 

This is on Mac OS 10.14.6 (Mojave).

Thank you
Photo of STEVE SETLIK

STEVE SETLIK

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Posted 9 months ago

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Photo of Jeffrey Tranberry

Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Official Response
This issue should be fixed in the 21.0.2 update that was released yesterday.