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New Staircases and Family Trees in The Sims 4: Free Update Details

from: TheSimsTree 6538
03.02.2026 Share:

Today, a free base game update for The Sims 4 became available to all players. The update brings several important changes, including revamped staircases with railing customization, reworked family trees, and new relationship designations. Some of the new features were previously shown in the official teaser, and the developers also shared their Laundry List.

 

Key Update Changes

The main innovation of this update is the improvement of the staircase system. Now players have gained more control over their appearance, including railing customization, which makes building more flexible and precise. Now railings won't get stuck in walls!

The developers have also updated family trees. The interface has been refined, and new designations have been added to the system, allowing for clearer display of family connections and complex family relationships. These changes are especially important for players who actively play dynasties and pay attention to their Sims' family history.

Promo: Create your Sims family tree

A detailed breakdown of all the innovations, including visual examples and explanations, can be found in our separate article dedicated to this update.

For Mod Users

Like any major base game update, the patch may temporarily affect the functionality of custom mods. We highly recommend not playing with mods until the creators update them. For more details on what to do when updating the game to avoid breaking anything — read this article.

Patch Notes

The developers will publish the official list of fixes and changes after the update's release. We'll add it to this article as soon as it becomes available.

TheSimsTree

TheSimsTree

The most avid Sims players. Their first word was 'Sul-Sul'. We're writing about the service and its capabilities, the workflow, the team and sharing stories of our dynasties.