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Disabling video autoplay in Firefox > 63
2018-12-02

Apparently the old setting media.autoplay.enabled, which stopped autoplaying videos in Firefox, has been deprecated in version 63 and no longer works. This setting has been moved to media.autoplay.default. Setting it to 1 disables autoplay, 0 enables it, and 2 asks for permission per site.

My configuration is now:

media.autoplay.default: 2
media.autoplay.ask-permission: true
media.autoplay.enabled.user-gestures-needed: true

This stops autoplaying videos on all sites I have encountered so far. You can read more in this question on the Mozilla support site. As of now this needs fiddling with about:config, but the developers plan to integrate it in the settings UI in the future.


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