Inband subtitles are no longer rendered. Will attach a patch.
Created attachment 334742 [details] Patch
Comment on attachment 334742 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=334742&action=review > Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:986 > + for (auto track : m_textTracks.values()) { Nit: you better do auto& instead.
Committed r229127: <https://trac.webkit.org/changeset/229127>
<rdar://problem/38019193>