Twitter has just updated their app for Windows Phone which now makes it compatible with Mango’s task switching (multitasking) functionality. Unfortunately… that’s about it. There is still no Live Tile support or Push update support which is a bit of a letdown honestly. Still, the new version seems a good bit faster than the previous build but beyond that, not much has changed.
You can update Twitter on your Windows Phone by going to Marketplace on your device or by clicking this link.