245669 2022-09-26 04:00:30 -0700 10bit AVIF images with an alpha channel won't render 2022-12-13 16:09:39 -0800 1 1 1 Unclassified WebKit Images Safari 16 All iOS 16 RESOLVED MOVED https://bugs.webkit.org/show_bug.cgi?id=245858 https://bugs.webkit.org/show_bug.cgi?id=228739 InRadar P2 Normal --- 1 buzz_thrill_0z webkit-unassigned bfulgham greg323464 mmaxfield sabouhallawa simon.fraser webkit-bug-importer zalan oldest_to_newest 1901152 0 462620 buzz_thrill_0z 2022-09-26 04:00:30 -0700 Created attachment 462620 10bit AVIF image with alpha channel 10bit AVIF images, that contain an alpha channel, cannot be rendered in Safari on iPadOS 16.1 and Ventura Even opened in their own tab the image is never displayed. Encoding the image to an 8bit AVIF using the ImageMagick command line option -depth 8 fixes the issue. 1901295 1 webkit-bug-importer 2022-09-26 14:26:18 -0700 <rdar://problem/100428268> 1902249 2 greg323464 2022-09-29 18:55:30 -0700 I'm seeing the same issue, transparency is ignored on iOS 16.0.2 for HDR AVIF images. 1918967 3 bfulgham 2022-12-13 16:09:39 -0800 This is actually being tracked in: <rdar://100800464> The bug is in a component outside of WebKit, therefore resolving as MOVED since we cannot fix this in a WebKit change. 462620 2022-09-26 04:00:30 -0700 2022-09-26 04:00:30 -0700 10bit AVIF image with alpha channel 10bitalpha.avif application/octet-stream 890 buzz_thrill_0z AAAAHGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZgAAAZhtZXRhAAAAAAAAACFoZGxyAAAAAAAAAABw aWN0AAAAAAAAAAAAAAAAAAAAAA5waXRtAAAAAAABAAAANGlsb2MAAAAAREAAAgACAAAAAAG8AAEA AAAAAAAAugABAAAAAAJ2AAEAAAAAAAABBAAAADhpaW5mAAAAAAACAAAAFWluZmUCAAAAAAEAAGF2 MDEAAAAAFWluZmUCAAAAAAIAAGF2MDEAAAAA12lwcnAAAACxaXBjbwAAABNjb2xybmNseAACAAIA BoAAAAAMYXYxQ4EFXAAAAAAUaXNwZQAAAAAAAAUAAAAC0AAAAA5waXhpAAAAAAEKAAAAOGF1eEMA AAAAdXJuOm1wZWc6bXBlZ0I6Y2ljcDpzeXN0ZW1zOmF1eGlsaWFyeTphbHBoYQAAAAAMYXYxQ4EF TAAAAAAUaXNwZQAAAAAAAAUAAAAC0AAAABBwaXhpAAAAAAMKCgoAAAAeaXBtYQAAAAAAAAACAAEE gYYHiAACBIIDhIUAAAAaaXJlZgAAAAAAAAAOYXV4bAACAAEAAQAAAcZtZGF0EgAKBxlqZ/2fzqAy rAERMAIIVgaG/fghCaaWq/KEL0ha1w/bYOerWD5j1QfW1pdOmoA8n0/tG/+JZAi5o1ZqlpuApPZu VcF3xMU+5elyq0K3h481J1Ef2afgevpJDxtGOf6AqAne1l1Sqy/loOc3oKVR7CIaEj3+tN9TcyYj x+h7+isyt7x0OE5+CdEurUs6NqFLco4lMvpCquegME21mUZQsFxUekbqUB26n3jzbsHZBVSxujVg IMJEEgAKChlqZ/2fzQICBoQy8wERMACBBDF3QHKlYjXEYi7GFSkz4oi+/x979XdZeQyV/CvIcRJd c1wzEMPkOt4oECMtzLTiJT4wDqpP2Ild2+NfZ/zdQrmixFjgE0tMJtC9APuHG7cg+U8cIDnxG2z0 E3qtWOGDGmKnfVkeDG0odSfF4maWV+Zap+2RY2LbQiWUcYhDhIBA6xGwXAcEZQSr4S3vtlS+TnwN kc8IDina0Moc5I+sTuxUzEpigzaD4r2G51bRxF3cKwEMXvyX0z5sOYM4aipmp0V6lnJoeSQfLMUz TzynJSooF6yWLOuFRDBQFTu3Wap9IQN2H/HCVkuJXPLtpqA=