++ [jwplatform] Add support for multiple embeds (#15192)
+* [mitele] Fix extraction (#15186)
++ [motherless] Add support for groups (#15124)
+* [lynda] Relax URL regular expression (#15185)
+* [soundcloud] Fallback to avatar picture for thumbnail (#12878)
+* [youku] Fix list extraction (#15135)
+* [openload] Fix extraction (#15166)
+* [lynda] Skip invalid subtitles (#15159)
+* [twitch] Pass video id to url_result when extracting playlist (#15139)