Does this program have a good proxy media editing workflow (automatic transcoding to lower res intra-frame codec)? It is an absolute must have feature to be abl

Does this program have a good proxy media editing workflow (automatic transcoding to lower res intra-frame codec)? It is an absolute must have feature to be able to work with multitrack editing with 4K source material. I see it was proposed for version 2: http://www.openshotvideo.com/2014/03/?m=1 http://www.openshotvideo.com/2014/03/?m=1