The Sims 4 February 3, 2026 Update: Family Trees, Build Tools, Events, and Fixes
The Sims 4 February 3, 2026 update adds expanded family trees, stair and railing customization, a new Live Event, CAS upgrades, and bug fixes.
Update 2/‌3/‌2026
PC: 1.121.342.1030 / Mac: 1.121.342.1230
Console: Version 2.28

The February 3, 2026 update for The Sims 4 delivers a wide range of base game improvements aimed at storytelling, building, customization, and overall stability. This free update is available across PC, Mac, PlayStation, and Xbox, and also prepares the game for deeper legacy-focused gameplay ahead of upcoming content releases.

Enhanced Family Tree and Relationship Tracking

One of the most impactful changes in this update is the expanded Family Tree system. Players can now view more detailed family connections, including extended relatives and in-law relationships. The updated interface makes it easier to follow complex generations, which is especially useful for legacy and dynasty-style gameplay.

These improvements help clarify long-running family histories and provide a stronger foundation for multi-generation storytelling.

Build Mode Improvements: Stairs and Railings

Builders receive new creative tools with expanded stair and railing customization. Players can now:
  • Flare stair ends for smoother, more decorative designs
  • Control which sides of stairs display railings
  • Shorten railing lengths to stop partway instead of running the full staircase

These additions allow for more realistic architecture and greater flexibility when designing interiors and grand spaces.

Create a Sim Updates and Visual Enhancements

Create a Sim also sees quality-of-life upgrades. The update introduces new nail customization options, giving Sims more expressive detail. Hair filtering has been refined, making it easier to browse hairstyles by texture and category.

These refinements streamline character creation and expand personalization without overwhelming the interface.

New Limited-Time Live Event

This update launches a new in-game Live Event, offering players themed objectives and unlockable rewards. By completing event challenges, Sims can earn exclusive cosmetic and decorative items during the event window.

Live Events continue to provide optional, time-limited content designed to encourage active gameplay without impacting existing saves.

Bug Fixes and Stability Improvements

Alongside new features, the February 3 update addresses numerous reported issues, including:
  • Photos appearing black or blank in certain situations
  • Room types failing to assign correctly in Build Mode
  • User interface elements becoming unresponsive
  • Missing or inconsistent buttons in preferences panels

Additional performance and memory optimizations improve overall stability and reduce the likelihood of crashes during extended play sessions.

What Players Should Know

Because this update modifies core systems like family relationships and UI behavior, players who use mods should ensure compatibility before continuing long-term saves. Backing up saves and temporarily disabling outdated mods is recommended.

Overall, the February 3, 2026 game update strengthens The Sims 4’s foundation by enhancing storytelling tools, expanding build creativity, and delivering meaningful quality-of-life improvements across the base game.