Chrome flag #enable-features=WebRtcAllowH264HighProfile is enabled, but the extension v2.1.4’s still killing the SIP audio path with ERR_CONNECTION_REFUSED right at the orgs/{id}/media/recordings endpoint. Service worker logs dump codec negotiation failed on opus/48000 before the BYOC handshake ts, doing jack all for the call. Docs say v2.1.5 patches the manifest lock, yet the store’s stuck on 2.1.4.