Keeping it Simple: Migrating to Pundit from CanCan Christian Nelson · October 21st, 2013 We’ve been using CanCan for Rails Authorization on most projects for a few years now. When upgrading an internal application to Rails 4, I discovered that CanCan does not play well with strong parameters. There are some patches to make things work, but they didn’t feel right. Also, CanCan hasn’t been given muc