Bugzilla

(In reply to John Bieling (:TbSync) from comment #6)
> Thanks for that fast review!
> 
> For documentation, we are independent now. We have this:
> https://developer.thunderbird.net/add-ons/mailextensions/supported-manifest-keys
> 
> And that links `browser_action` to our own API doc, which is generated from the source. So the new thing will show up there as soon as it hits c-c and Geoff re-runs the source-to-doc script. 
> 
> In Firefox, this produces warnings about unsupported entries, but runs.
> 
> * Do you want me to add a "only supported in Thunderbird" remark to the scheme? We have not done that for any of our own APIs. But this is special, as we override an existing one...

Yeah some sort of tag would be good.

> * I would like to see this in Beta and TB78. Are you ok with that?

Uplifts are usually not my decision, but the impact of this patch may be minimal enough that we can backport so I'd be ok with it.