EA and Maxis are working with Sims 4 custom content creators to make official kits, and the first ones should start rolling out before the end of the year. These kits will function just like other Sims 4 kits and add a selection of themed items to your game,

In order to give players "an ongoing experience" with 'The Sims 4', Electronic Arts won't be making a follow-up game as the company moves "beyond linear, sequential 'Sims' releases".