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If I made changes to my about:config file and I upgrade to a new version of Firefox, do my changes transfer in the new version or do I have to reapply changes?

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ebinvestalerts
ebinvestalerts
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If I made changes to my about:config file and I upgrade to a new version of Firefox, do my changes transfer in the new version or do I have to reapply changes?

If I made changes to my about:config file and I upgrade to a new version of Firefox, do my changes transfer in the new version or do I have to reapply changes?

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John99
John99
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Firefox will nearly always where possible and applicable try to retain changes and customisations made.

Is there anything in particular that concerns you ?

You appear to be on only Firefox12, instead of Firefox 20 so you have a lot of catching up to do,and by using an outdated Firefox are increasing the risk to your system and personal data. I strongly recommend you upgrade without delay.

Sometimes extensions may not be compatible, or you may be asked to confirm you want a particular extension to continue by default. Occasionally things are by default blocked due to security issues.