jQuery Roundup: jQuery UI 1.8.9, Zepto 0.4, Toast Message
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jQuery UI 1.8.9
jQuery UI 1.8.9 has been released. This is a maintenance release that includes bug fixes and localisations, see the 1.8.9 changelog for more.
Zepto 0.4
Zepto 0.4 was released a few days ago, which introduces JSONP and improved iterators. I also noticed Thomas Fuchs has made Zepto a lot more jQuery compatible. The Zepto GitHub repository has detailed examples and there’s a website now too at zeptojs.com.
Thomas wrote a post about it here: Zepto.js v0.4 – JSONP & more DOM goodness.
I wrote about Zepto last year in A Look Inside Zepto.js.
jquery-toastmessage-plugin

jquery-toastmessage-plugin (Apache License 2.0) by Daniel Bremer-Tonn at akquinet A.G is another handy little Growl-style messaging system. The Toast demo shows various message types in action.
I tried forcing it to display lots of messages and it handles that situation fairly well — the messages appear as others fade, rather than causing a scrollbar to appear. This seems like something that would work well in a Backbone.js/jQuery UI app.