SilverStripe 3.3.1, 3.2.3 and 3.1.18 have been released to resolve some breaking regressions in recent releases.
Changelogs for each of these releases can be found at the below locations:
To get setup, you can install this using composer (as below):
composer create-project silverstripe/installer ./ss33 3.3.1
You can also download pre-built zip / tar from [url=http://www.silverstripe.org/download]http://www.silverstripe.org/download.
Damian Mooyman | Senior Platform Developer