Here’s a 17 minute video all focused on Moodle 2.3 and it’s improvements and changes. The video was created by NetSpot, official Moodle Partner.
Check. it. out.
Enjoy all the great info about editing courses, aesthetic changes, usability fixes and so much more.
Direct video link: https://www.youtube.com/watch?v=1CG-AiZY_-s