Hi, I’m testing the navigation-stats example on github (https://github.com/mdn/webextensions-examples/tree/master/navigation-stats). It does not work in FF 50, it never saves the stats so the popup always says “No data collected yet…”
It works for me in Firefox 50 (50.1.0, Mac OS X). I install it (from source using “Load Temporary Add-on”), navigate to a few pages, then click the browser action and see the results in the popup.
Do you see any relevant-looking errors in the browser console?
Thanks, I rebooted the browser, and it works correctly.