Flex version comparison chart
| Enhanced feature |
| Drag and drop support |
No |
Yes |
Yes |
Yes |
| Multi-window applications |
No |
Yes |
Yes |
Yes |
| Local file system access |
No |
Yes |
Yes |
Yes |
| Local SQLite database storage |
No |
Yes |
Yes |
Yes |
| Complete HTML rendering |
No |
Yes |
Yes |
Yes |
| Full Adobe AIR code hinting and error reporting |
No |
Yes |
Yes |
No |
| AIR debugging and profiling |
No |
Yes |
Yes |
No |
| AIR application packaging and signing |
No |
Yes |
Yes |
Yes |
| Advanced Datagrid |
No |
Yes |
No |
No |
| Datagrid |
Yes |
Full |
Full |
Full |
| Charting components |
Yes |
Full |
No |
No |
| Performance profiler |
No |
Yes |
No |
No |
| Memory profiler |
No |
Yes |
No |
No |
| Support for automated functional testing |
No |
Yes |
No |
No |
| Interactive debugging |
Yes |
Full |
Full |
Yes |
| Drag and drop components to create rich UI |
Yes |
Yes |
Yes |
No |
| Pan and zoom tools |
No |
Yes |
Yes |
No |
| Improved constraints editor |
Yes |
Full |
Full |
No |
| Enhanced color picker |
Yes |
Full |
Full |
No |
| OpenType® font support |
No |
Yes |
Yes |
No |
| CSS skinning and styling |
Yes |
Full |
Full |
No |
| Visual CSS editor for graphical editing of CSS properties |
No |
Yes |
Yes |
No |
| Design view extensibility for third-party products |
No |
Yes |
Yes |
No |
| Native Flex format exporting from Adobe Fireworks®, Photoshop®, Flash, and Illustrator® |
No |
Yes |
Yes |
No |
| Custom Flex component creation using Flash CS3 Professional |
No |
Yes |
Yes |
No |
| Skin asset importing into Flex Builder |
No |
Yes |
Yes |
No |
| MXML and ActionScript™ editors |
Yes |
Full |
Full |
No |
| Refactoring |
No |
Yes |
Yes |
No |
| Faster compilation time |
No |
Full |
Full |
Full |
| Ability to save applications as Flex 2.0.1 or Flex 3 SDK |
No |
Yes |
Yes |
No |
| Version control |
Yes |
Yes |
Yes |
No |
| SWF file size reduction |
No |
Full |
Full |
Full |
| Web-tier compilers for IIS and Apache |
No |
Yes |
Yes |
Yes |
| Web service introspection |
No |
Yes |
Yes |
No |
| Code-gen wizards for Adobe ColdFusion®, Java™, PHP, .NET |
No |
Yes |
Yes |
No |
| Deep linking |
No |
Yes |
Yes |
Yes |
| JavaScript and Ajax wrappers |
No |
Yes |
Yes |
Yes |
| Flex/Ajax bridge |
Yes |
Full |
Full |
Full |
| Dynamic load of localization resource bundles at runtime |
No |
Yes |
Yes |
Yes |
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