The following WebExtensions APIs will be sorted and prioritized at the November 28 triage meeting at 18:30 UTC/10:30am Pacific. If any of these APIs impact or interest you, please join us. For more information about the meeting, please visit the triage wiki.
Have you been working on a WebExtensions Experiment? Would you like some feedback on it? Let us know by filing an issue on Github.
I think the toolbar API will make quite a few people on Reddit go wild in /r/Firefox
Lack of toolbars was the biggest issue with web extensions people had.