We have another beta release for SilverStripe 3.1!
You can download 3.1.0-beta2 at http://www.silverstripe.org/pre-releases/, or you can install it with Composer.
Upgrading with Composer:
- If you are using 3.1.x-dev, then run "composer update"
- Otherwise, edit your composer.json and set the version for silverstripe/framework and silverstripe/cms to 3.1.0-beta2, and then run "composer update"