SMPlayer 14.9.0.6672 recently released, intends to be a complete front-end for MPlayer, from basic features like playing videos, DVDs, and VCDs to more advanced features like support for MPlayer filters and more. Notable feature of SMPlayer is, it remembers the settings of all files you play. When you watch a movie and leave, when you open that movie again it will resume at the same point you left it, and with the same settings: audio track, subtitles, volume.
This latest version SMPlayer 14.9.0.6672 has added support for mpv, which provide very interesting new features. Please visit this link to know about mpv and how to get SMPlayer with mpv. This version also provides a fix for Youtube. Full changelog coming soon.
Install SMPlayer 14.9.0.6672 on Ubuntu OS