Summary

This is a preview release for jQuery UI 1.8. It is the first beta release of the 1.8 series, not final or production-ready. This release adds

• jQuery 1.4
• a new widget factory that is not backward compatible with the old widget factory
• two new plugins: button and autocomplete

In addition, the stackfix plugin was removed in favor of reverting back to the bgiframe plugin.

Build

• Fixed: build includes @import and full CSS (5044)

Widget Factory

• Added: widget method to get the outermost element of a plugin (4913)
• Fixed: widget factory does not unbind all events (5005)
• Added: the option method now returns the full options hash when called with no parameters (5020)
• Added: widget factory now adds disabled classes to outermost element instead of main element (5028)
• Added: re-instantiating plugins without destroying is now allowed (5064)
• Fixed: using effects with jQuery 1.4 kills widget instances (5076)

Position

• Fixed: changed by option to using option to match jQuery 1.4's offset method (5030)
• Fixed: including the position plugin twice was causing a stack overflow (5041)

Widgets

• Fixed: always use bgiframe when available (5071)

Accordion

• Fixed: some demos do not work (5046)
• Fixed: animated accordions sometimes fail in IE (4382)

Datepicker

• Fixed: next button doesn't display with multiple months in one column (5022)
• Fixed: onChangeMonthYear fires at first run (4804)
• Fixed: don't reset dates on instantiation (4869)
• Fixed: proper comparison against minDate and maxDate (5026)

Dialog

• Added: support for button plugin

Slider

• Fixed: range background shifts around as range size changes (5035)

Tabs

• Fixed: selected option returns wrong value (4960)