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NetBeans IDE 6.0 Preview (M9, build 070502) 1.5.0_07; Java HotSpot(TM) Client VM 1.5.0_07-87 Mac OS X version 10.4.9 running on i386 en_US (nb); MacRoman Steps to reproduce: 1.Push "Refresh List" button in Updates tab 2.While the progress of refresh is visible push "Refresh List" button in New Plugins tab 3.When the progress disappears the Refresh List button in Updates tab stays disabled
It's appropriate to plugin manager subcomponent.
Already fixed in M10.