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Is it a bug if Nightly causes Release to crash (crashes due to .cache/mozilla, extension data unreadable)?

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jimbo1qaz
jimbo1qaz

I downloaded and ran Firefox Nightly 64.0a1 (2018-09-13) (64-bit), and forgot to run it in a new profile.

Afterwards, Firefox 62.0 crashed immediately upon startup. Deleting ~/.cache/mozilla fixed the issue.

Even after fixing the crash, all extensions acted as though their storage data was wiped. I think the storage format changed. Is this a bug?

System: Ubuntu 18.04 x64

I downloaded and ran Firefox Nightly 64.0a1 (2018-09-13) (64-bit), and forgot to run it in a new profile. Afterwards, Firefox 62.0 crashed immediately upon startup. Deleting ~/.cache/mozilla fixed the issue. Even after fixing the crash, all extensions acted as though their storage data was wiped. I think the storage format changed. Is this a bug? System: Ubuntu 18.04 x64

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user633449
user633449

This is a known issue and is expected behavior. You should not run different versions of Firefox on the same profile. It will cause problems.