[Webkit-unassigned] [Bug 241795] New: Visual artifacts shown on web.whatsapp.com

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 20 20:32:10 PDT 2022


            Bug ID: 241795
           Summary: Visual artifacts shown on web.whatsapp.com
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kdwkleung at protonmail.com
                CC: bugs-noreply at webkitgtk.org

Created attachment 460363

  --> https://bugs.webkit.org/attachment.cgi?id=460363&action=review

Screencast showing visual artifacts on web.whatsapp.com

In WhatsApp Web, when zooming in and out of an image using the website's media viewer, visual artifacts are left on the screen as shown in the screencast attached. The visual artifacts are rectangular bars containing parts of the image being inspected. This behaviour cannot be reproduced in other browsers on the same operating system.

How to reproduce:
1. Open a browser using WebKitGTK
2. Visit web.whatsapp.com
3. Send/ receive a photo
4. Inspect the photo by clicking on it
5. Click on the photo again to zoom in
6. Click on the photo again to zoom out
7. Observe the rectangular bars of visual artifacts

Hardware: Intel i7-9700/ Intel UHD Graphics 630
OS: Gnome 42.2, Wayland, Fedora Silverblue 36.20220617.0
Software: Gnome Web 42.2, WebKitGTK 2.36.3

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