The UI Cheats Extension was specifically causing most issues with the new Sims 4 version-causing lot of weird visual glitches and misplacements in the User Interface. Unfortunately, with the latest Sims 4 update, many have reported weird glitches while having these Mods enable. The first one lets you take full control of gameplay via easy shortcuts in the User Interface, while the second lets you control pretty much every aspect of the game. Probably one of two biggest mods used by the modding community are UI Cheats Extension and MC Command Center. Plenty of us in the community who play Sims 4 on PC like the additional layer of control in gameplay that certain Mods provide.
