Alternative to runtime.onSuspend?

Andrew McKay amckay at
Thu Sep 28 00:05:09 UTC 2017

runtime.onSuspend is on suspension of the event page. Firefox doesn't
support event pages, all background pages are persistent pages.

Are you expecting to do clean up before a Firefox shutdown or uninstall?

On 26 September 2017 at 17:41, James Anderson <proginosko at> wrote:
> I see that the runtime.onSuspend event isn't supported (yet) by Firefox.
> Does anyone know when it will be?
> In the meantime, is there some other way to give an extension the
> opportunity to do cleanup before it's unloaded?
> James
> --
> James Anderson
> Email: proginosko at
> Website:
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