For the record, 1.1 is much better about keeping the tweaks/shuffles in a different thread, but it's not 100 percent perfect. If the player is under caching stress (i.e., it's hitting the hard drive to get new data) and you tweak/shuffle, it will still have a brief pause. But it's much better than it was in 1.0x, and if the disk isn't being hit when you tweak, there's no pause.

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Tony Fabris