Twitter's Android app received its first major update since the v4.0 overhaul last month, with an all-new compose window, rich notifications (for Android 4.1+ devices), and more efficient use of space in the discover, search, and profile timeline areas.

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The new compose area is no longer a popup, but a full-screen window, and rich notifications now show the profile pictures of those people who have interacted with you, as well as a list of interactions if there is more than one. The more information-dense profile and discover tabs aren't exactly a huge change, but should ease the white space OCD of some folks.

The new compose window also gives you full-sized previews of photos you're about to share, and you can hot-switch accounts inside the window as well - a major convenience.

Head to the Play Store to grab the update now, and for more information, hit up the official Twitter blog.

Developer: Twitter, Inc.
Price: Free+