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As the topic states, using a Rich Text Editor with a PopUpManager makes typing slow. If you try it in Firefox/Mac, it is painful. Chrome/Mac is a little slower as well. Are there any known issues with the PopUpManager and performance that can be addressed easily?
Keep in mind, this is a Flex 3 application (can’t update, unfortunately – business ‘needs’).
Thanks!
It has nothing to do with PopUpManager. Try using Flex/Flash builder to profile the app. See if there are any memory leaks.