Verified patch notes, affected platforms and developer-listed issues.

Sea of Thieves
Sea of Thieves Release Notes – 3.9.1
Oct 22, 2026 · Steam update tracked by Buffs & Bugs
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Official note“<!DOCTYPE html> Steam :: Sea of Thieves :: Sea of Thieves Release Notes – 3.9.1 " ); }; Sign in Store Home Discovery Queue Wishlist Points Shop News Charts Community Home Discussions Workshop Market Broadcasts About…”
Included in this official update.
Included in this official update.
Quick take
Custom SeasThe free customisation toolset introduced in Season 20 expands with new options and additions! The Devil’s Shroud surrounds the island, keeping crews focused on the action. New SwitchesEmergent Sea Forts – Within Emergent World Events, Sea Forts can now be disabled from becoming an emergent encounter during a session. Emergent Ashen Garrisons – Within Emergent World Events, Ashen Garrison encounters can now be disabled during a session. Fog – Within Wea
What officially changed
Custom SeasThe free customisation toolset introduced in Season 20 expands with new options and additions! The Devil’s Shroud surrounds the island, keeping crews focused on the action. New SwitchesEmergent Sea Forts – Within Emergent World Events, Sea Forts can now be disabled from becoming an emergent encounter during a session. Emergent Ashen Garrisons – Within Emergent World Events, Ashen Garrison encounters can now be disabled during a session. Fog – Within Wea
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