Updated: July 10, 2020 (November 21, 2005)
Charts & IllustrationsNew Windows APIs by Platform
Some of the new APIs that will ship in Windows Vista will also be available on other platforms. This chart lists key Windows APIs that will ship with Vista and identifies some of the other platforms to which Microsoft intends to deliver these APIs. While Microsoft has said that Windows XP SP2 and Windows Server 2003 SP1 will support the WinFX APIs, there may be issues on the older platforms, such as hardware support for graphics cards that mean only a subset of the new managed APIs will be available.
| WinFX API | Code Name | Windows XP SP2 | Windows Server 2003 SP1 | Apple OS X and Linux |
| Windows Communication Foundation (WCF) | Indigo | Yes1 | Yes1 | No |
| Windows Presentation Foundation (WPF)2 | Avalon | Yes1 | Yes1 | Yes3 |
| Windows Workflow Foundation (WWF) | WinOE | Yes1 | Yes1 | No |
| XML Paper Specification Reader | Metro | Yes | Yes | Unknown |
1Distributed as the WinFX Runtime components.
2Full availability will depend on the graphics hardware support.
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