enigma2-plugin-extensions-youtube-plus-minitv_py2-git1133-5722cc7-r0.0_all.ipk Fast forward works again.
Fast start times of the streams.
YouTube with miniTV for Python 2
enigma2-plugin-extensions-youtube-plus-minitv_py2-git1133-5722cc7-r0.0_all.ipk
Tested with VTI Images, and openATV 6.4 and Kraven HD Skin
Menu settings:
Maximum resolution: 1920x1080
Dash Mp4 format: No (disable, otherwise no fast forward possible)