Some of the new features:
Ansible Tower is configurable directly from Red Hat OpenShift Container Platform.
Ansible Tower 3.3 also focuses on providing easier job configuration in scheduling and workflows.
Any items that can be configured at launch can be saved to be used in a workflow or schedule.
Customers will now be able to create tailored Ansible environments to include custom modules and libraries.
The improved user interface shows more information at a glance and offers better navigation.
More granular control.
More information available here.