Really nice changes, I am surprised you have to do this all alone. Good work! :D
I don't know where to put bug reports, so I'll put it here:
On Android 6 using Chrome, I can write only one comment, before I have to reload the page. When I try anyway, it just does not do anything. If you need more information, feel free to ask. :)
RE: D.Tube 0.7: Welcome to the HD