This conversation has been merged. Please reference the main conversation: Lightroom Classic: Keyword hierarchies not being broken up when synced to Lightroom CC
This change seems to have happened over a year ago, but I didn't notice it because I was only using Lightroom CC for certain parts of my workflow where keywords weren't ever a consideration, and the large bulk of my library wasn't uploaded. It may relate to the change from Lightroom CC 6.x to 7.x - that's when the switch happens in the files I've looked at.
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