After upgrading Rstudio 1.2.1335 my .R script and .Rmd markdown files are displaying like text. I've checked my options in global options. Restoring the previous version of Rstudio causes the problem to go away and reinstalling 1.2 brings it back. I am running on Mac OS Mojave 10.14.6 on a 2017 iMac Retina 5k 27 inch any thoughts?
Why it should look like: