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by futhey 22 days ago
Same! I distinctly remember seeing portions of this wallpaper that led me to believe it's procedurally generated and not simply a collection of video files, and had to rewatch it to confirm. There are several points where the date and time match the system date and time down to the second.
1 comments

It features the current date and time with seconds, so it must be rendered on the fly.
The assets and some? of the scripting for it are in a bundle at:

/System/Library/ExtensionKit/Extensions/WallpaperMacintoshExtension.appex

Can see the time and date being added here I think:

System6ControlPanel.program

    //
    //  System 6 Control Panel
    //  Macintosh 40th Anniversary
    //
    //  Copyright © 2024 Apple. All rights reserved.
    //
    //----------------------------------------------

    start simultaneous
        scale out
        let image = "System6ControlPanel"
        ...
        ...
        add time at 267, 165 name "Geneva12"
        add date at 274, 239 name "Geneva12"
    end simultaneous