On Fri, Oct 6, 2017 at 12:15 PM, Randell Jesup <rjesup.n...@jesup.org>
wrote:

> There's "publish an extension that
> ​ ​
> lets you fiddle the width" (doable today).


​WebExtensions can't manipulate prefs other than the ones explicitly
exposed via a WebExtension API. Only "system add-ons" have that power now.

yes!  I actually often cull tabs from session-restore (vertical list
> ​ ​
> with titles!) or from about:tabs (Tab-stats extension, now broken --
> Glandium!?)
>

​about:tabs is back! If you don't have it go to about:addons and force an
update check through the gear-icon menu. It auto-updated and re-enabled
itself for me sometime in the last week. I missed that one -- my number of
open tabs tripled without the visibility that tool provides (especially
since Tab Groups, the other one I used, is dead).

-Dan Veditz
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