# The Sims 4 March 2026 Quality of Life Base Game Update

- Product: The Sims 4 (https://whatsnew.fyi/product/the-sims-4)
- Vendor: Maxis
- Date: 2026-03-20
- Original notes: https://store.steampowered.com/news/app/1222670/view/533252382395466502
- Permalink: https://whatsnew.fyi/product/the-sims-4/releases/2026-03-20-march-2026-quality-of-life-base-game-update

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Eye and eyelid improvements
- **fixed** — Prom event fixes
- **changed** — Improve Sim autonomy to be smarter
- **fixed** — Pets and other animals will no longer disappear or get stuck in Sim inventories
- **added** — Marketplace is now available in-game featuring Maker Packs for Create-a-Sim and Build/Buy content
- **fixed** — Resolve issues affecting Custom Content and Mods

Sul Sul, Simmers!

We’ve just released a new Quality of Life update that brings over 60 quality-of-life bug fixes and improvements, many of which address top-voted issues from the community. Here’s what’s included:

• Eye and eyelid improvements

• Prom event fixes

• Smarter Sim autonomy

• Pets and other animals will no longer disappear or get stuck in Sim inventories

• And much more!

Read the full patch notes here:

[https://www.ea.com/games/the-sims/the-sims-4/news/update-3-17-2026](https://www.ea.com/games/the-sims/the-sims-4/news/update-3-17-2026)

**Plus:**
• Marketplace is now available in-game as of March 17th, featuring Maker Packs for Create-a-Sim and Build/Buy content.

• A small patch rolled out yesterday, March 18th, which resolves issues affecting Custom Content (CC) and Mods. Thanks for your reports and patience while we worked on these fixes. Find the full notes here:

[https://forums.ea.com/blog/the-sims-game-info-hub-en/custom-content-is-back-on-the-menu/13263964](https://forums.ea.com/blog/the-sims-game-info-hub-en/custom-content-is-back-on-the-menu/13263964)

You can make sure your mods are up to date here:

[https://forums.ea.com/discussions/the-sims-4-mods-and-custom-content-en/broken-and-updated-sims-4-mods-and-cc-patch-1-122-march-17-2026/13252814](https://forums.ea.com/discussions/the-sims-4-mods-and-custom-content-en/broken-and-updated-sims-4-mods-and-cc-patch-1-122-march-17-2026/13252814)

Thanks for being part of our community.