One consideration is how fast the packages you use are updated. I recently found a bug in some code that used purrr. I had followed the documentation and the script ran fine on most of my machines. One day I was using a computer that I update much less frequently, and I got an error. I spent a bunch of time trying to debug it and reading the documentation, but in the end the solution was that I needed to update the purrr package on that machine.
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