RStudio 1.2 Preview: The Little Things

This is a companion discussion topic for the original entry at

Today, we’re continuing our blog series on new features in RStudio 1.2. If you’d like to try these features out for yourself, you can download a preview release of RStudio 1.2.
In this blog series thus far, we’ve focused on the biggest new features in RStudio 1.2. Today, we’ll take a look at some of the smaller ones.
Detect missing R packages Many R scripts open with calls to library() and require() to load the packages they need in order to execute.