notes and resources of things to check before submitting a package to CRAN, to help you and others have as stress free a time as possible
A veritable cornucopia of things to read and work through.
https://github.com/r-lib/urlchecker has functions that find errant URLs, and updates them if they need redirecting, or if they are just plain wrong. I failed submission because of a missing trailing '/' in a URL, don't let that happen to you.
Checks before submission