Revising WordPress Revisions with Backbone, Adam Silverstein
WordPress revisions got a jolt of Backbone and a complete interface overhaul in WordPress 3.6 (as did media in 3.5 and themes in 3.8). Hear the revisions rewrite story and description of the effort involved, plus a code overview and ideas for leveraging Backbone (and Underscore) in your WordPress project.

Bulletproof Your WordPress Development, Elisha Terada
Prevention can be more valuable than a cure. Bulletproof your WordPress with WP development best practices, task automations, and safeguarding tools.

Heartbeat API Jump-Start, Mike Schroder
As of WordPress 3.9, the Heartbeat API is no longer experimental! It’s intended to help developers synchronize data between the browser and server without manually sending individual AJAX calls. Attendees will learn Heartbeat basics and have a quick runthrough on how it’s used by WordPress’ core.

Hidden Treasures of WordPress Core, Kailey Lampert
There are a lot of hidden, little-known, and under-documented parts of core that can be really handy to have in your toolkit. Let’s take a look at several of the most-loved and under-used parts of core that will make us all better developers.