You are correct. v4 is underdeveloped in comparison to v3, not helped by the fact it is
still being worked on. If you want to find a version to get into, v3 "with everything version"
here is the way to go. It adds some cut-for-time content, custom clothing, a voice mod, cheats, decensor, and more.
v4 has a quick start feature, much more in depth clothing color system, and an updated art style, but is censored and has alot of stuff cut out. Don't feel bad about starting from an older version, the new one will take some time and v3 has a well developed mod selection
Check the
"more info" link from the front page for more info on the mods themselves and how to install if you don't have the already modded one