IOS 13.3.1 is recommended for your updates.  It was released on January 28 and is intended to fix a number of bugs and improvements.  No significant features were added to the release.  For a full list of fixes, click here for the Apple release notes.     I found no issues with the update and the process tool about 20 minutes.  I would recommend the update particularly to get the security fixes that come with the release.  For example, it fixes an issue where some contact information could be displayed from the devices lock screen.  It’s not likely that this would impact you but it is a good idea to update in order to get these fixes. Learn about our upgrade principles and track our upgrade recommendations online at: IOS Version Recommendation.