Welcome to YUI Weekly, the weekly roundup of news and announcements from the YUI team and community. If you have any interesting demos or links you'd like to share, leave a comment below or email contributions to weekly at yuilibrary.com.

• 6 days until YUIConf 2012! Check out our amazing lineup of speakers and register today!

• This week saw the release of YUI 3.8.0pr1, the first preview release of the YUI's 3.8 branch. Updates and additions to 3.8 include; Y.Template, Y.Color, Y.AttributeObservable, Y.BaseObservable, ScrollView enhancements, and more! You can read all about it in the release announcement.

• Y.Color has 3 new demos that are now available to begin experimenting with, including RGB Slider, HSL Color Picker, and HSL Harmony. Fun!

• Yeti just landed support for using multiple instances of the same browser to speed up browser testing. The feature is available for those installing in-development snapshots of Yeti. A release is coming soon, so watch the Yeti blog for updates coming before next week's YUIConf.

• Version bumps this week for the following YUI devtools: yuidoc and yuitest-coverage. Upgrade with npm install -g yuidocjs yuitest-coverage. YUIDoc now has a doc linting feature, yuidoc --lint.

• New in the Gallery this week is busy, an easy way to create "busy" overlays (example). Updated Gallery modules include slidecheckbox, twitter-widget, textarea-expander, itsadialogbox, and zui-rascroll.

• Reads of the week:

  • Writing Fast, Memory-Efficient JavaScript
  • ECMAScript 6 collections, Part 3: WeakMaps
  • Tracking Down Memory Leaks in Node.js

• Tweets of the week:

YUIConf 2012 Schedule Update yuiblog.com/blog/2012/11/0…— YUI Library (@yuilibrary) November 9, 2012

"Douglas Crockford will be giving a special evening keynote entitled Monads & Gonads."... I'm there. #YUIConf yuiblog.com/blog/2012/11/0…— Pat Cavit (@tivac) November 9, 2012

I'm attending YUIConf 2012, and you should to... lanyrd.com/2012/yuiconf/ #yuiconf @yahoosports is hiring, come find me at the event— mrjonah (@mrjonah) November 9, 2012

#YUI makes it easier to build native #Windows8 applications. This article shows you how to build an app. yuiblog.com/blog/2012/11/0… @yuilibrary— ted_drake (@ted_drake) November 6, 2012