An update is available as a follow up to the recently released pfSense version 2.3.1. Version 2.3.1. addressed over 100 bug fixes. See the link below to grab the latest version.
2.3.1 Update 1 (2.3.1_1) is now available. This includes one security fix to the web GUI, and 7 other bug fixes. The 2.3.1-RELEASE change list has been updated with an Update 1 section specifying the changes.
This update will reboot the system after installing.
pfSense 2.3.1 announcement: https://blog.pfsense.org/?p=2050
Update 1 announcement: https://blog.pfsense.org/?p=2068