JQuery UI sorts slowly in IE8, but works well in IE7 and IE8 mode

JQuery UI sortable (including demos) are slow in all IE8 that I can test, but runs smoothly in IE7 and IE8 mode. The more complex the markup on the page, the more IE8 slows down (I can understand the DOM tree has become more complex).

I am using jQuery 1.3.2 and jQuery UI 1.7.2 (tested with 1.7.3 - same story).

I found a lot of similar reports (for the new JQuery UI 1.8.x with JQuery 1.4 too), but there are no answers.

Maybe there is some solution (EXCEPT turning IE8 into IE7 compatibility mode using a meta tag or header). Thanks in advance!

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, - , . , - jQuery 1.4 jQuery UI 1.8. , .

, jQuery 1.3, 1.4 :

https://github.com/jquery/jquery-compat-1.3

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