I have a 4.1 wordpress and I need to update it to the latest, which is 4.6 currently. Have there been common or known issues during an upgrade like this? Also I am new to wordpress upgrading as I am mainly a Drupal dev. In drupal I would just download the newest version and just move all the files into my existing version and then do a database update. How is this done in wordpress from 4.1 to 4.6?
What is a step by step approach to this upgrade?