198887 2019-06-15 03:06:56 -0700 localDescription.sdp does not contain mdns host candidates 2021-10-29 01:03:11 -0700 1 1 1 Unclassified WebKit WebRTC Safari Technology Preview Unspecified Unspecified RESOLVED DUPLICATE 209050 InRadar P2 Normal --- 1 fippo webkit-unassigned mail-154060 philipp.hancke webkit-bug-importer youennf oldest_to_newest 1545000 0 fippo 2019-06-15 03:06:56 -0700 from https://stackoverflow.com/questions/56606608/is-safaris-rtcdatachannel-implementation-completely-broken Simplified steps to reproduce: On a site without getUserMedia permission, paste this: ``` const pc = new RTCPeerConnection(); pc.onicecandidate = (e) => console.log(e.candidate) pc.onicegatheringstatechange = () => { if (pc.iceGatheringState === 'complete') { console.log(pc.localDescription.sdp); } }; pc.createDataChannel("aint-broken"); pc.createOffer().then(offer => pc.setLocalDescription(offer.sdp)); ``` Note that the onicecandidate events shows mdns host candidates but pc.localDescription.sdp does not contain any candidate. 1545001 1 fippo 2019-06-15 03:08:55 -0700 err... bug in the repro script: pc.setLocalDescription(offer) not pc.setLocalDescription(offer.sdp) 1552729 2 webkit-bug-importer 2019-07-13 23:39:44 -0700 <rdar://problem/53066862> 1552730 3 youennf 2019-07-13 23:43:07 -0700 Thanks for the report. I am not sure this should be a real issue in practice. But we should get there at some point though. 1809978 4 philipp.hancke 2021-10-29 00:07:32 -0700 can you dupe this into https://bugs.webkit.org/show_bug.cgi?id=209050 please? 1809998 5 youennf 2021-10-29 01:03:11 -0700 *** This bug has been marked as a duplicate of bug 209050 ***