Hacker News Reader

As far as I can see it takes over 5 days at least 50% of the time: https://discourse.mozilla.org/t/queue-weekly-status-2017-08-...

(E: and that's currently; go back a few months and it's nearly 90% taking over 10 days. Possibly well over 10 days. https://discourse.mozilla.org/t/queue-weekly-status-2017-05-...)

I'm curious. Does this statistic mix old XUL based add-ons with the new web extension standard addins?

As far as I can see the new web extensions based approached has much better tooling with automatic analysis and reviewing.

It doesn't show which one are web extensions. Even then, users can access the unreviewed versions of addons, IIRC.