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New updates makes YT videos jittering

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The new update 40.0.2 makes videos on YT jitter a bit at times, and it's kinda annoying. I tried refreshing the browser, and even cleaned out the cache, but it didn't work.

The new update 40.0.2 makes videos on YT jitter a bit at times, and it's kinda annoying. I tried refreshing the browser, and even cleaned out the cache, but it didn't work.

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By "jitter", do you mean the frame is shaking, or do you mean that the streaming starts and stops?

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The frame shakes.

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Try this setting in about:config: user_pref("dom.vibrator.enabled", false);

That might fix it. I cannot see why anyone would want anything on the screen to vibrate, but that apparently is a new setting.

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It fix a bit, but it still jitters at times.