User blog comment:LostInRiverview/The Sims Wiki News - 9th January 2014/@comment-1997588-20140109182323/@comment-2201555-20140109233605

He released the source code to all of his mods, so somebody else can update and compile them should the need arise.

But yes, TS3 is an absolute mess and I honestly don't expect TS4 to be any different, despite their claims it'll be better optimised.