localstorage available after upgrade

I have an extension with a fair number users and it uses localstorage to store the开发者_JS百科ir information. When I put a new version out, will the localstorage remain?

Thanks

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Local storage will remain in clients' local machines. However, you should keep in mind that users can clear their local storage data easily. Local storage is also limited to 5MB.

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Yes, that's the whole point of localStorage.