jQuery UI 1.8.21

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The twenty first maintenance release for jQuery UI 1.8 is out. This update brings bug fixes for Autocomplete, Datepicker, Draggable, Position, Progressbar, and Sortable, as well as fixing some issues with ThemeRoller. For the full list of changes, see the changelog. You can download it here:


File Downloads

Svn (contains final files as they are in the zip, with @VERSION replaced with 1.8.21, all themes)

Git (contains source files, with @VERSION not yet replaced with 1.8.21, base theme only)

Google Ajax Libraries API (CDN)

Microsoft Ajax CDN (CDN)

Custom Download Builder


See the 1.8.21 Upgrade Guide for a list of changes that may affect you when upgrading from 1.8.20. For full details on what’s included in this release see the 1.8.21 Changelog.


Thanks to all who helped with this release, specifically: Amir E. Aharoni, coling, Courthead, Courtland, Eneko Illarramendi, gnarf, martinf55, non4eg, pablo.martinez, Pavel Stetina, rdworth, Scott González, SeanMcMillan, sharkodlak, skibler, squeakytoy, thufaila, Viktar Varvanovich, VitalyT.


Note: please do NOT use the comments section of this blog post for reporting bugs. Bug reports should be filed in the jQuery UI Bug Tracker and support questions should be posted on the jQuery Forum.

If you have feedback on us doing our twenty first maintenance release for jQuery UI 1.8, feel free to leave a comment below. Thank you.

3 thoughts on “jQuery UI 1.8.21

  1. Joel on said:

    Maybe Google will get this one onto their CDN before the next maintenance release? (1.8.20 is still absent from their CDN)

  2. +1 jQueryUI on Google’s CDN is wonderful. Hope the lastest versions get on there soon.

    Also, great job on the release. Looking forward to v1.9.