It would be cool if the search field was focused when the extension is opened.
Then we could search without having to click the field.
I'm using Firefox Developer v57.0b6.
This is a Firefox bug. See https://bugzilla.mozilla.org/show_bug.cgi?id=1324255
Can confirm this is fixed in Firefox 60.0b3
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Can confirm this is fixed in Firefox 60.0b3