AIR 1.1 is out the door and even though this is a dot release, that doesn’t mean there’s not much new to tell. AIR 1.1 includes the following new capabilities:

• Installation and other runtime dialog boxes have been translated into:
  • Brazilian Portuguese, Chinese (Traditional and Simplified), French, German, Italian, Japanese, Korean, Russian and Spanish
• Support for building internationalized applications, including keyboard input for double-byte languages
• Support for localizing the name and description attributes in the application descriptor file
• Support for localizing error messages, such as SQLError.detailID  and SQLError.detailArguments, in the SQLite database
• Addition of Capabilities.languages property to obtain an array of preferred UI languages as set by the operating system
• HTML button labels and default menus, such as context menus and the Mac menu bar,
  have been localized to all supported languages
• Support for certificate migration from a self-signed application to one that chains to a
  certificate of authority (CA)
• Support for Microsoft Windows XP Tablet PC Edition and support for 64-bit editions of Windows Vista® Home Premium, Business, Ultimate, or Enterprise.
• Addition of File.spaceAvailable : API to obtain the amount of disk space available on a disk
• Addition of NativeWindow.supportsTransparency property to determine whether a window can be drawn as transparent by the current operating system
• Bug fixes and memory improvements

To start working with these new capabilities and performance improvements, there are updates available for your favorite development environment.
For Flex Builder, see this Flex Builder Technote.
For Dreamweaver, download the updated version of the Adobe AIR extension for Dreamweaver.
For Flash, follow the instructions in this Flash Technote.

Additionally, Aptana Studio (for AJAX development) is also already updated to support AIR 1.1

Download the updated runtime from http://get.adobe.com/air/. Get more information here (PDF).