jQuery UI 1.8a1

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The first preview release for jQuery UI 1.8 is out. You can download it here:


File Downloads



See the 1.8a1 Changelog for full details on what’s included in this release.

New Plugins

In addition to a number of bug fixes, this release adds three new plugins:

  • Position
  • Stackfix (update: later removed, changed back to bgigframe)
  • zIndex

Please help us test these out and beat them up. The plan is to have one more alpha releases, and then two beta releases. New plugins may be added still before the first beta. The plugins in the first 1.8 beta will be the plugins in 1.8 final.


A big thanks to all that have worked on creating these new plugins, incorporating them into this release, as well as all the bug fixes and other improvements that have gone into this release.