I was able to reproduce this on todays Nightly. Didn't find a specific regression range with mozregression though. There is no exception thrown in the console unless I click the webrtc sharing indicator. Then it throws because there are no active streams in the array which `webrtcUI.getActiveStreams` returns here: https://searchfox.org/mozilla-central/rev/3ce874dc2703831af3e5ef3a1d216ffd08057fa5/browser/base/content/webrtcIndicator.js#142-143 The indicator disappears when I close the the parent tab (which originally launched the popup with the video call).
Bug 1636496 Comment 5 Edit History
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I was able to reproduce this on todays Nightly on Google Hangouts / Meet on Linux. Didn't find a specific regression range with mozregression though. There is no exception thrown in the console unless I click the webrtc sharing indicator. Then it throws because there are no active streams in the array which `webrtcUI.getActiveStreams` returns here: https://searchfox.org/mozilla-central/rev/3ce874dc2703831af3e5ef3a1d216ffd08057fa5/browser/base/content/webrtcIndicator.js#142-143 The indicator disappears when I close the the parent tab (which originally launched the popup with the video call).