Our current favorite iPad Twitter app, Twitterrific, has just been update to version 1.0.1, which includes a bunch of bug fixes and new features. Here’s the list:

New Features:

• Support for Instapaper via Settings app.
• Support for 3rd party push services like Boxcar.
• Audio notification control via Settings App.
• Support for screen names vs real names via Settings App.
• Support for old style RTs – Forward to Followers in reply actions.

Bug Fixes:

• Fixed a popover bug that could cause timeline scrolling to lock up.
• Fixed a bug that allowed direct messages to be re-tweeted.
• Fixed a bug that allowed direct messages to be marked as favorites.
• Fixed a crashing bug that could occur when viewing certain tweets.
• iTunes and map links now open properly in the mini browser.
• Subscribed Twitter lists now appear in the sidebar.
• Fixed a display problem when opening “full” TwitPic images.
• Fixed several display bugs associated with device orientation.
• Updated the scroll indicator to white for improved clarity.
• Several graphical tweaks & improvements.
• Security improvements.

You can grab, or upgrade to, the new version now in the App Store.