Having already adjusted an image, initiating Guided adds 'blotchy spots'. The spots are not affected by smoothening, but I can remove them later using Smart Patch.

It doesn't happen on every image, but when they do, they appear all over.

If I discard the Guided edit, and revert back to the Adjusted version, the 'spots' are no longer there. Repeating Guided, the spots reappear as before.

Attached file is a capture to demonstrate.

This problem was not present prior to the latest 365 update.

Thanks, Colin