Steam AppNaval Action (311310)Event typepatch notePublished1 September 2026 - 10:40:59 UTCSourcesteam_community_announcementsCaptains, If you are experiencing issues with the in-game mail system and are using a custom localization, please update it to match the current official localization or switch to the official localization.Open original Steam updateOlder updateAugust 21 Update: PvP Fleet Chests, Rare Woods, Crafting & Test Server RewardsNewer updateCustom Localization & In-Game Mail Issues