NEW255192
[GTK] Some GIFs fail to load on Reddit main page 
https://bugs.webkit.org/show_bug.cgi?id=255192
Summary [GTK] Some GIFs fail to load on Reddit main page
Kdwk
Reported 2023-04-08 05:44:04 PDT
Created attachment 465816 [details] Screencast showing GIF not loading on main page but only when post is opened On https://www.reddit.com/r/memes/comments/12eog2u/crossgenerational_meme/, the GIF can load when the post is opened but not on the main page itself. Tested on WebKitGTK 2.40, Gnome Web 44.1
Attachments
Screencast showing GIF not loading on main page but only when post is opened (310.04 KB, video/webm)
2023-04-08 05:44 PDT, Kdwk 		no flags
Details
The GIF in question (32.24 KB, image/gif)
2023-04-08 06:47 PDT, Kdwk 		no flags
Details
Loupe the image viewer is unable to display the GIF (504.38 KB, image/png)
2023-04-08 06:48 PDT, Kdwk 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Michael Catanzaro
Comment 1 2023-04-08 06:40:16 PDT
I suppose https://www.reddit.com/r/memes/ would be the link for reproducing the bug with the GIFs not loading, but actually they do load for me when I view that page....
Kdwk
Comment 2 2023-04-08 06:47:11 PDT
Created attachment 465817 [details] The GIF in question
Kdwk
Comment 3 2023-04-08 06:48:28 PDT
Created attachment 465818 [details] Loupe the image viewer is unable to display the GIF Loupe the image viewer reports that the GIF has a malformed GIF header and is not able to open the file. EOG could not open the GIF either.
Kdwk
Comment 4 2023-04-08 06:49:45 PDT
However, the GIF was able to play when Epiphany opens the URL I downloaded the GIF from, https://preview.redd.it/6nv9i3ucahsa1.gif?format=mp4&v=enabled&s=2488375b3a897f877b62c50d40bd123b738ef883
Michael Catanzaro
Comment 5 2023-04-08 15:51:13 PDT
Well there's a hint right there in the URL. It's an MP4 with a .gif file extension for some reason.
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