[Webkit-unassigned] [Bug 254580] Transitent navigation doesn't trigger video autoplay with sound

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=254580

--- Comment #3 from Jer Noble <jer.noble at apple.com> ---
Navigation should not result in transient activation. Websites should not get free rein to perform actions that require a user gesture just because a user clicked on a link to navigate to that website.

Tested against the link above:

- Firefox 112.0.2 does not allow the media to play on navigation (though it doesn't display the `navigator.userActivation.isActive:` line.

- Chrome 113.0.5672.63 allows the media to play with audio on navigation, but it displays: `navigator.userActivation.isActive: false`

- Chrome with the setting "Don't allow sites to play sound" enabled plays the media back muted, and also displays: `navigator.userActivation.isActive: false`.

- ToT Safari refuses to play the unmuted video, and displays: `navigator.userActivation.isActive: false`

The difference in behavior between Chrome, Firefox, and Safari is that Chrome allows video to play with audio by default, and Firefox & Safari do not.

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