@vanillaSlice hooked us up with some awesome new features in this release:
Dismissible Alerts
Ever wanted to close out of an alert? Now you can with this update! https://www.getpapercss.com/docs/components/alerts/
Progress Bars
Progress bars are here and in many different options. Try them with backgrounds, labels, or even stripes!
https://www.getpapercss.com/docs/components/progress/
Gulp Auto Prefixer
No pretty picture for this, but now the gulp build will automatically include vendor prefixes where needed. We don't need to worry about a thing anymore! Here's what is supported: https://browserl.ist/?q=defaults