4.5 (SDK only) which delivers full support for building Flex and ActionScript applications for Google Android, as well as support for building ActionScript applications for BlackBerry Tablet OS and Apple iOS. An update to Flash Builder 4.5 and Flex 4.5 adds support for building Flex applications for BlackBerry Tablet OS and Apple iOS. Flex 4.5 SDK delivers many new components and capabilities, along with integrated support in Flash Builder 4.5 and Flash Catalyst CS 5.5. With the Adobe Flex 4.5 SDK which is governed by three main goals: Allow developers to use Flex for multiscreen application development Further mature the Spark (skinning) architecture and component set which was introduced in Flex 4 Adobe Flex 4.6.0 In November 2011 Adobe released Flex SDK update 4.6, with the following changes: More Spark mobile components including: SplitViewNavigator, CalloutButton, Callout, SpinnerList, DateSpinner, and ToggleSwitch Better performance Updated platform support Enhanced Tooling – Flash Builder 4.6 Text Enhancements Apache Flex 4.8.0 - incubating Jul 25, 2012, Apache Flex community releases Flex 4.8.0-incubating and it as a parity release with Adobe Flex 4.6.0. This is the first release under the incubator of the Apache Software Foundation and represents the initial donation of Adobe Flex 4.6 by Adobe System Inc. Differences and highlights include: Flex trademark issues are largely cleared up Bug-tracking / issue-tracking system (JIRA) transferred from the Adobe bug tracker to Apache bug tracker Mustela test suite is donated to Apache Apache Flex 4.9.0 Jan 11, 2013, Apache Flex community releases Flex 4.9.0. This is the first release since Apache Flex became a top level project of the Apache Software Foundation. Differences and highlights include: New locales for Apache Flex including Australian, British, Canadian, Greek, Switzerland (German) and Portuguese Apache Flex SDK can be compiled for any version of the Flash Player from 10.2 to 11.5 New PostCodeFormatter and PostCodeValidator classes for international postcode formatting and validation New VectorList and VectorCollection classes for lists and collections of vectors New version of the TLF (Text Layout Framework), the TLF 3.0.33 source code is now included as it is now part of the Apache Flex donation Can use Java 7 to compile SDK (see README for instructions) Many improvements and updates to Mustella tests An SDK installer has also been created and is the recommended way of installing the Apache Flex SDK in an IDE Various important bug fixes Apache Flex 4.9.1 Feb 28, 2013, Apache Flex