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Firefox uses a crazy amount of power on Mac - latest version

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Looking at my Activity Monitor on Mac, it seems that Firefox uses a crazy amount of energy. Indeed, when using Firefox, my battery lasts up to 4 hours, whereas when using Safari, it lasts up to 12! Average energy impact is 1510!

I've talked to Apple Support who agreed this was an issue.

Looking at my Activity Monitor on Mac, it seems that Firefox uses a crazy amount of energy. Indeed, when using Firefox, my battery lasts up to 4 hours, whereas when using Safari, it lasts up to 12! Average energy impact is 1510! I've talked to Apple Support who agreed this was an issue.

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Hello abarzelay, please see if you have the same behavior in a new firefox profile.

thank you