Do you dread upgrading your giant world-spanning tree of Polymer elements? Or maybe you've got a handful of small but widely used elements that you'd like to upgrade without leaving your users in the lurch or maintaining two branches? No worries, Peter Burnsand the Polymer team have your back! Missed the summit? Catch the recordings at: https://www.polymer-project.org/summit Or watch more videos here: https://goo.gl/XDWHzT Subscribe to the channel: https://youtube.com/chromedevelopers Find out more: https://www.polymer-project.org/summit https://www.polymer-project.org/summit/codelabs Music by Terra Monk: https://goo.gl/9BkpNH