209739 2020-03-30 07:24:54 -0700 iOS 13.4 enumerateDevices() does not report the camera after the first call 2020-03-30 07:32:31 -0700 1 1 1 Unclassified WebKit WebRTC Safari 13 Unspecified iOS 13 RESOLVED DUPLICATE 209417 P2 Normal --- 1 milen.yordanov webkit-unassigned youennf oldest_to_newest 1635494 0 milen.yordanov 2020-03-30 07:24:54 -0700 Tested on iPhone 7, iOS 13.4 Open Mobile Safari and go to https://milen-yordanov.github.io/webrtc-ios13_4-enumerateDevices/ The first call to enumerateDevices() reports two devices: videoinput and audioinput. The second call to enumerateDevices() reports two devices: audioinput and audioinput. There is no videoinput! The code to reproduce it is as simple as: await navigator.mediaDevices.enumerateDevices() await navigator.mediaDevices.enumerateDevices() See: https://raw.githubusercontent.com/milen-yordanov/webrtc-ios13_4-enumerateDevices/master/index.html Older iOS 13.x and 12.x did not have this issue. 1635495 1 youennf 2020-03-30 07:26:41 -0700 This is a dupe of bug 209417 which is now fixed in WebKit ToT. *** This bug has been marked as a duplicate of bug 209417 *** 1635498 2 youennf 2020-03-30 07:32:31 -0700 There are a number of workarounds: - On iOS, all devices running Safari should have a camera. - Add a shim to enumerateDevices so as to buffer the result of enumerateDevices until capture is granted/devicechange event is fired.