Original-reporter here, re-opening since it's by far not fixed.
Using e17 from Gentoo's portage, the bug is still valid, though behaviour has slightly changed.
Good: the offset problem is gone
Bad: It seems there's now a hardcoded limit for entries, at least I only see a maximum of 47, though there are more items to show. I can navigate them blindly using the keyboard and pressing enter, but there's now way to see where I'm at. There should be either continuos scrolling or opening another submenu after X entries.