Windows Longhorn Build 3683.0.Lab06 N.020923-1821：修订间差异

|revision = 0

|arch = x86

|compiled = 2002-9-23

|timebomb = 2003-9-18

This build is one of the earliest to introduce the blue [[Plex]] theme, which would be used all the way up to Milestone 6. Builds from this timeframe are also notable in that the window captions are centered when the Plex theme is enabled, which is reminiscent of early Windows versions and which was also later used in [[Windows 8]], [[Windows 8.1]], up to some earlier pre-release builds of [[Windows 10 (original release)|Windows 10]]. The Windows flag on the Start button has been changed to monochrome white in order to fit in the new theme. The login screen was changed to include a clock in the top-right corner and to use a silver and dark blue color scheme, although it still gets to keep the same overall layout as in [[Windows XP]]. [[File Explorer|Windows Explorer]] was updated with a new Plex-styled task pane and new templates for the My Documents and My Pictures directories. A new file copy dialog has been implemented, although it doesn't use Avalon. The fold/unfold buttons have been added to Windows Explorer when the ''Show in Groups'' option is enabled.

A preliminary version of the Avalon user interface framework is included and is used to implement the new [[Windows Sidebar]] and Desktop Properties. The [[Windows Sidebar|Sidebar]] is empty upon enabling and similarly to later builds, it can be combined with the taskbar, which enables a new Start button design also found in later builds. A new virtual desktops feature is also accessible from the Sidebar. [[Desktop Compositing Engine]] is also included with this build, although it is quite unstable and is only known to work on real hardware. When enabled, it renders open windows with a translucency effect.

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