I don't see Blushie being the type to just drop a mod without a word.
She's not been seen since early November 2018, so it's very likely she's dealing with important real-life stuff.
...Also people keep having these same issues, but there must be some common link other than Magic Storage, because I use Magic Storage in every modpack I make, both singleplayer and multiplayer, some of these packs very large and using obscure and sometimes even broken mods, and have never had any of these issues, so I'm led to believe it's more likely to do with some kind of server, game engine, or operating system limitations rather than just the mod itself being at fault. I could be entirely wrong, of course, but given this chunk-breaking issue first showed up due to a limit in the amount of data a multiplayer server can send about a chunk, I can't help but think that similar issues could very well be the result of other engine limitations, in which case there's nothing that could be done about them currently.