You may have noticed that T7G uses its own save/load menu instead of the F5 menu at the moment.
This could (I'm not sure) mean its not that easy to add the autosave feature.
Probably. It could of course use an "out-of-reach" position like number 10 as autosave. And it would just be loadable from the scummvm launcher.
I found the bug and submitted it. Sometimes the menu is completely black, but the cursor is working. Annoying...