All highlighting displayed in yellow after unlocking iPad. Why?


I have noticed a strange phenomenon. When I unlock the iPad with the Zotero PDF reader open, all the highlighting other than yellow is displayed as yellow too. This is (also) the case with locked legacy highlighted text applied with the external PDF Xchange Editor. When I then close the PDF and re-open it, all colours are displayed correctly.

Has anyone else noticed this?

Of course, this is not a major problem, more a small annoyance.
  • edited May 22, 2022
    Can you provide exact steps to reproduce that, and also take a couple screenshots, upload them somewhere (e.g., Dropbox or Google Drive), and provide a link here (or email to with a link to this thread)?
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