I exported a list with some ggplot2 objects into a .RDS file, generated from a R 3.6.1 session. Then, tried importing it into a R 4.0.0 session and got the following error: Error in identicalUnits...

I just upgraded to R 4.0.0 and I am now trying to reinstall the packages I use. But when I try to do so in RStudio, I have the following warning: Warning in install.packages: converting NULL poi...

I've updated to R 4.0.0 and RStudio version 1.2.5042. I'm developing a package and I've regularly used the following workflow: Build the package from within RStudio by clicking the "Install &amp...