I tried some of the other old versions of rstudio I had downloaded from Rocker. Success! I was able to load rstudio 4.1.0 and 4.2.0. Rstudio 4.3.0, 4.3.2, 4.3.3, latest, and devel all didn’t load.
I have defined TMPDIR=${HOME}/.cache/<%= all_modules %> so the different versions don’t use the same runtime, and so that they persist across different nodes.
I’d still like to get the latest versions working, but this is good enough for me for now. Thanks for your help! I don’t think I would have gotten this far this fast without it.