The source project of this merge request has been removed.
Issue 7216 - Avoid using broken openOptionsPage API on Edge
It turns out Edge 44.17763.1.0 (unlike 42.17134.1.0) has the browser.runtime.openOptionsPage
API, but it doesn't work correctly. It opens the options page each time its called, even if the page is already open.
Edited by Dave Vandyke