RIM has at last officially released Twitter for BlackBerry v2.1, which brings multi-account support, BBM sharing, and more. The app has left beta and has hit App World. Twitter for BlackBerry 2.1 has the following features:

  • Multi-Account Support – Have up to five accounts on your Twitter for BlackBerry smartphones app. Switch between accounts and cross-post Tweets and Retweets from one account to another without switching the current account view.
  • Enhanced “Share with BBM™” functionality – Easily share Tweets with BBM Contacts and Groups.
  • View multiple Twitter accounts in a single timeline – View a stream of Tweets from up to five Twitter accounts in the Social Feeds timeline, or opt to filter individual Twitter accounts.
  • Post a Tweet to multiple Twitter Accounts – Publish a Tweet to one or more Twitter accounts simultaneously using Social Feeds.
Twitter for BlackBerry 2.1 may not show up right away, but you will be able to download it from App World here.