Once Human 2.3.7 Patch Notes (29th April 2026)

Small patch, specific fix. The 2.3.7 update for Once Human dropped on April 29, targeting a single but annoying bug: Sunfish couldn't be placed in Fish Tanks or Specimen Racks, and some Fish Tanks had stopped accepting fish entirely due to abnormal attributes.

It's a niche issue, but base-building and decoration are a real part of how Once Human players invest in their worlds, so a bug that breaks your aquarium setup is more disruptive than it sounds. If your Fish Tank still isn't working after the patch, the development team's advice is to dismantle it and rebuild it from scratch.

Not a sweeping update by any measure, but the team has noted they're actively gathering community feedback and working through reported issues, so expect further fixes to follow. Here's the full breakdown.

Dear Metas,

If you encounter any issues while playing, please contact us using the following methods:

PC: ESC - Support & Feedback - Submit Suggestion

Mobile: Map left-side menu - Headphones icon at bottom right - Suggestions - Submit Suggestion

We've been gathering community feedback and actively addressing your concerns.

The following are the ongoing/completed fixes:

April 29

The following issues have been fixed:

1. Fixed an issue where Sunfish could not be placed in Fish Tanks or Specimen Racks, and where some Fish Tanks could not hold fish due to abnormal attributes. If your Fish Tank still cannot hold fish, please dismantle it and build it again.

Once Human Development Team