Created attachment 460264 [details] Console Log when the MP4 is playing 1. with Safari build 18614.1.14.1.15 on macOS Ventura 2. Go to http://ipla-e1-78.pluscdn.pl/p/movies/8f/8fc6aa7d3808f476dee9b99722343b30.mp4 3. Wait for the file to load 4. Click Play Expected: Video starts with the sound Actual: Video starts without sound * Working on Firefox 103.0a1 (2022-06-14) (64-bit) * Working on Chrome Version 104.0.5106.0 (Official Build) canary (arm64) * Was already failing on Safari 13.1.2 and Safari 13.1 on Mac OS X 10.15.4
<rdar://problem/95254892>
Initially reported on https://github.com/webcompat/web-bugs/issues/69920
We have determined that this is an issue in an underlying framework, so closing as INVALID. This will continue to be tracked by Apple internally. This file's audio is also not working in the built-in QuickTime Player.