[Wanilton]

@thereverend 

About submenu, Marcos explain it in official Kodi forum about, here text

Code:

Talking about the submenus I'll explain:
The Aeon MQ7 code has a submenu for each menu, there are thousands of submenus and thousands of lines of code that weigh heavily.
It is a powerful feature but few users need.
During the development of MQ8 I created a discussion to evaluate the possibility of unifying some submenus and no user (vip, translator, code collaborator) was against. The change occurred in ALPHA 1 BUILD 0.3.0 - RELEASE DATE 7/16/2017.
About 15k lines of code were eliminated and the result was a faster overall skin.

And what is the unification of the submenus exactly?
All items tagged with MOVIES share the same submenu.
All items tagged TVSHOWS share the same submenu.
All video playlists share the same submenu.
All audio playlists share the same submenu.
All program add-ons share the same submenu.
All video add-ons share the same submenu.
All audio add-ons share the same submenu.
All game add-ons share the same submenu.
All image add-ons share the same submenu.

For most users this does not make any difference, but for some to be a problem, I'm sorry for that.
I'm working on new code for the Aeon MQ9 that can bring all of the thousands of submenus back without it hurting anyone who does not use such a feature.

About images for audio and subttitle (nope, don't have support), Marcos prefer text. Feature available only in MQ7  mod.

About Show Progress Watching in library, no available, only in mq7 mod skin.

I have sets here, and extrafanart work too. Your text is no clear for me. Extrafanarts is default for one item or for sets, If dont like have option for show only 1 fanart.

About bluray, it's used filename for it.