Three smaller presentations.
More info posted as it becomes solidified.
Tim Uruski & Ben Stevenson
Rails 4.1: Nifty Bits - Ben
I'll be going over some of the upcoming feature additions, and let you know of any inconveniences in the new framework update.
Whence Ruby Gems? - Tim
A brief exploration of how gems enter your codebase, we'll dig into how 'bundler/setup' works and more.