SilverStripe 3.1.14 rc1 has been released.
The changelog, upgrading notes, and other important information is available on the release notes page at https://docs.silverstripe.org/en/3.1/changelogs/rc/3.1.14-rc1
To get setup, you can install this using composer (as below):
composer create-project silverstripe/installer path/to/project 3.1.14-rc1
This release contains bugfixes including fixes for FulltextFilter, improved case-insensitive handling of class names, and general stability improvements.
Release notes: https://docs.silverstripe.org/en/3.1/changelogs/rc/3.1.14-rc1