Here is a list of changes:
• Fixed error preventing some users from launching app
• Fixed a freezing issue that some users encountered when becoming BBM connected
• Limited valid username characters when signing up for new Twitter account
• Re-enabled Profile Location mapping for latitude/longitude coordinates
• Fix continuous loading bug when encountering certain tweets
As for morstAppWorld updates, it might take a while for things to reach everyone, but I find going in to My World and pressing Alt+R S T followed by a battery pull speeds things up. Get your copy in AppWorld.