Over half of The Sims development team is working on The Sims 4 and 'the next evolution' so I guess it's time to start speculating again

So it's likely not working on a remaster and likely not working on The Sims 5, but is working on a "next evolution," and ...
GitHub

100 Base Game Traits – Personality Expansion Mod for The Sims 4

The 100 Base Game Traits mod for The Sims 4 introduces a massive collection of unique personality traits that expand your Sims’ individuality and interactions. From quirky habits to deep emotional ...
GitHub

Lumpinou sims 4 – Hub for Immersive Sims 4 Modifications

What are Lumpinou's Sims 4 Mods? Lumpinou's Mods for The Sims 4 represent a comprehensive collection of custom content that profoundly deepens the social and psychological aspects of the game. Created ...