I’d like to highlight few useful features in ActionScript/Flex debugger, some of which are new in IntelliJ IDEA 11.
Better members presentation in Variables view (informative icons, sorting) with ability to jump to source:
Convenient collections view (size, Vector status, collection elements):
Mark any object instance and this instance will be highlighted in all views if met again until the end of the debug session:
[SWF] and [UnloadSWF] messages are now filtered out by default. Toggle respective button in Debug tool window to switch the filter off: