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Can I copy the Firefox Nightly Experiment to Firefox Developer Edition or to Firefox ESR?

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  • Last reply by cor-el

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Can I copy the Firefox Nightly Setup to Firefox Developer Edition or to Firefox ESR?

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It is not advised to downgrade a profile and especially you shouldn't copy files from a Nightly profile to a release or Beta/DE/ESR profile as in Nightly a lot of features are enabled to make it possible to test whether it works properly or bugs need to be filed.

Why would you want to do this ?

You should always use a separate profile for each Firefox version.