BuildsPatch notes

Valheim public test patch 0.221.13 introduced a new world save system

From the public record1 min read

Published Oct 20, 2026 · 11:19 UTCPosted on Steam May 6, 2026 · 07:45 UTC

GameValheim

Version0.221.13

PostedMay 6 · 07:45 UTC

SourceSteam announcement

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

Patch 0.221.13 for the Public Test branch appeared in the Steam announcements of Valheim on May 6, 2026. The notes said it introduced a new save system that saves worlds in smaller chunks, with only the chunks modified since the last save affected. They warned that the update might be unstable and advised players to back up their save files before playing. The post is in the Steam announcements of Valheim.1 2 3 4 5 6 7

How each figure was checked7 facts

the gameValheimOur database
the patch version0.221.13Our database
the day the post appearedMay 6, 2026Our database
the branch the update is for and its stability warningfor the Public Test branch of Valheim only, and may be unstableSteam, announcements of Valheim ↗
what the update introducesa new save system for your Valheim worldsSteam, announcements of Valheim ↗
how the new save system worksthe game saves the world in smaller chunks and only the chunks modified since the last save are affectedSteam, announcements of Valheim ↗
the advice on backupscreate backups of your save files before playingSteam, announcements of Valheim ↗