Valheim patch 1.0.21 addresses weather entering buildings, several Deep North combat problems and a Steam save-cache issue. Iron Gate released the update on October 28, warning that distribution across every platform could take several days while confirming that cross-play would remain functional during the rollout.

The patch notes say snowstorms in the Deep North and Mountains, and ash storms in the Ashlands, should no longer blow indoors. Steam’s save cache also receives a fix for file status becoming inconsistent when a world is changed outside the game.

A Valheim explorer stands on frozen water among snowy trees in the Deep North
A Deep North environment from Valheim’s official press collection. The image illustrates the game and is not a before-and-after comparison of patch 1.0.21. © Iron Gate AB / Coffee Stain Publishing

Combat and crafting receive targeted changes

Nord Greatsword variants no longer lose damage per target when striking several enemies together. Kall Fimbulbringer’s Yagluth Aspect ground-fire damage is halved, and the patch fixes that boss’s loot falling through the floor.

Baked Poteitr, Kale Chips and Oven Pancake move from the Cauldron to the Food Preparation table. Deep North trees now drop Timberwood cones that can be planted in more hospitable biomes.

The Frost Foundry records the correct crafter even when another player owns its network object. However, the related crafting-achievement attribution still requires a later, network-incompatible update. The two fixes should not be confused.

The changes follow September’s Deep North release

The context is Valheim’s September 9 version 1.0 release, which added the Deep North alongside more than 40 weapons, four armor sets and over 80 building pieces. It also introduced achievements and upgradeable pockets, making both equipment progression and inventory management part of the broader update.

That release included more than 20 food items and five crafting-related structures. The subsequent adjustment to three recipes consequently affects where players prepare food within that expanded workshop system, rather than introducing another food category. September also brought a draw-distance setting and an engine upgrade; those are earlier changes, not additions made by 1.0.21.

The game’s Steam description presents exploration, construction and preparation as connected parts of survival. Materials found in different biomes unlock equipment and recipes, while food supplies temporary health and stamina benefits. A substantial expedition therefore depends on the work done at home as well as the weapon carried into combat.

Players can tackle the world alone or with up to nine others. In a shared settlement, who operates a crafting station and how that activity is recorded are practical multiplayer concerns, which explains the distinction Iron Gate makes around the Foundry.

Trophy collection was adjusted in the previous patch

Returning players may also notice changes from October 15’s version 1.0.20. That update increased trophy-drop chances according to a monster’s star level and stopped the pseudo-random drop logic resetting between sessions.

It also reset incorrect cheated-item flags left by an initial 1.0 bug. For a player sorting trophies and materials after several weeks away, those earlier changes explain part of the difference: the current patch continues a sequence of corrections to how the Deep North’s rewards, crafting and combat fit into an established world.

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