The R maintainers have made some changes to how R is built on Mac OS for R 4.0+: this should make some packages like Stan easier to use, however …

Some favourite keyboard shortcuts: Switch tabs: ⌘-shift-[ and ⌘-shift-] ; Close tab: ⌘-w Open Spotlight to search for things: ⌘-space Once you’ve found something in Spotlight, use ⌘-click to open …