Agent Lyoko
Farmhand
Assuming you're asking in good faith, it's really just a "no one wants to/can do so". Your original post is basically coming off as "why aren't people updating the mods I want?" which... well, aside from being a problem, you could say that about every mod in this thread (I personally am still hoping/waiting on Multiple Floor Farmhouse getting an unofficial update, but I wait roughly 40 pages in-between asking!). Everybody wants some mod updated, but unless someone's willing to put in the work, and there's a myriad of reasons why someone might not (they can't code it, they don't want to code a Yandere mod, they don't want to update it and then have to do upkeep on the mod itself, they don't have IRL time, and more reasons I'm not going to continue listing).
I'm also going to be brutally honest - if it shouldn't be hard to get it to work, I can turn your question right back around at you. If it's simple, why are you not putting in the work to update them? You could do so for personal modding (I personally have a copy of Shiko that uses the 1.6 method of adding NPCs, though due to permissions reasons I'm never putting that to the public, so you could do something similar for those). In general, I would keep to the following maxim when asking for an unofficial mod update: if you can't do it yourself, then you will have to be patient and, more importantly, understand you run the risk of it never getting updated to your specifications.
(Short version: People might just not want to. Asking for people to do so is fine, but saying "why hasn't anyone done it??" comes off as entitled, especially since if it's truly as simple as you say it should be possible for you to update it.)
