[Webkit-unassigned] [Bug 252493] New: 16.4 Tensorflow / Shader Issue

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=252493

            Bug ID: 252493
           Summary: 16.4 Tensorflow / Shader Issue
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: All
                OS: iOS 16
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: heystoneybatter at gmail.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com

I noticed some issues in the new iOS 16.4 beta 1 (as well as Safari Preview 16.4 on desktop) regarding some Tensorflow models.

This demo for example works in the current live version(s) of Safari and iOS 16.3:
https://storage.googleapis.com/tfjs-models/demos/body-pix/index.html

It doesn't load now in 16.4 and also does not show an error in console.

I have a local demo (that I will try and publish and update here) that shows a type error when running the segmentation model in 16.4 that I believe is originating in a shader.

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