Bill, that has been always the case. You have to re-install XQuartz with every macOS upgrade. There are many issues with Catalina, but at least this one is not new ;).
Cheers, Simon > On 22/04/2020, at 4:37 PM, William Michels via R-SIG-Mac > <r-sig-mac@r-project.org> wrote: > > Hello, > > Regarding R with XQuartz on Mac--I found one reference claiming that > after upgrading to MacOS 10.15 Catalina, users may be required to > re-install XQuartz. The MacOS Catalina installer moves/quarantines > prior XQuartz installations to a folder called "Relocated Items", > which may disrupt programs linking to XQuartz and expecting to find it > in the old location: > > "Installing or Reinstalling XQuartz if Upgrade to macOS 10.15 Catalina > Causes Issues" > https://www.harrisgeospatial.com/Support/Self-Help-Tools/Help-Articles/Help-Articles-Detail/ArtMID/10220/ArticleID/23855/default > > HTH, Bill. > > W. Michels, Ph.D. > > > > On Tue, Apr 21, 2020 at 4:25 PM <r-sig-mac-requ...@r-project.org> wrote: >> >> Send R-SIG-Mac mailing list submissions to >> r-sig-mac@r-project.org > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac