>>> My Info: Win7_64, Nightly 53, 32bit, ID 20161119030204 (2016-11-19) STR_1: 1. Open attachment 8730207 [details] (from bug 1256313) 2. Hover mouse over the <select>'s dropmarker, hold left mouse button [drop-down list will open] 3. Hover mouse over the urlbar 4. Press escape to close drop-down list 5. Release left mouse button AR: Select has :active pseudoclass ER: STR_1 should result in the normal dropmarker state (e.g. not :active) NI? request was set in order to ask about exact bug that broke this (if any), and also to notify the developer about this issue This is regression between 2016-08-03 and 2016-08-04. Regression range: > https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=bfc47d8a87ef640b7a7204fa96075005fa10a954&tochange=7e96b394d5f04bebd40c6385da9b869851019967
I see this, but am not sure how one would fix it. The mouseup and capture listener are removed when the popup is closed.