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Ubisoft’s Title Update 1.0.4 for Assassin’s Creed Black Flag Resynced fixes the disappearing Jackdaw bug that left players stranded after upgrading their ship at the Harbourmaster. The issue where upgrading the Jackdaw while docked could cause it to disappear, leaving players without their ship, is now resolved. This guide covers every major bug fix in the patch, how to avoid similar issues, and what changed in the weather system, quest blockers, and performance.
En resumen
- The disappearing Jackdaw bug after ship upgrades is fixed as of July 16, 2026
- Weather system rebalanced for more sun and less endless storms
- PC cutscenes unlocked from 30 FPS, multiple quest blockers resolved
- Download sizes: 2.44 GB (PS5), 2.7 GB (Steam), 3.71 GB (PC), 15.35 GB (Xbox)
What Is the Disappearing Ship Bug in AC Black Flag Resynced?
The disappearing ship bug occurred when upgrading the Jackdaw while docked could cause it to disappear, leaving players without their ship. This happened specifically when visiting a Harbourmaster in any port town, purchasing upgrades through the Upgrade Ship menu, and then returning to the dock to find the Jackdaw gone. The bug effectively stranded Edward Kenway on whatever island or city the player happened to be visiting, making naval travel impossible and blocking story progress. All upgrades are purchased through any Harbourmaster in the Upgrade Ship menu, so the issue affected a core progression mechanic. Without a ship, players could not complete naval missions, reach new locations, or engage in the piracy that defines most of Black Flag Resynced’s gameplay loop.
How to Fix the Disappearing Jackdaw Bug in AC Black Flag Resynced
Title Update 1.0.4 for Assassin’s Creed Black Flag Resynced released on July 16th, 2026 at 14:00 UTC / 10:00 AM EST / 7:00 AM PST. The patch is mandatory and applies automatically when you launch the game. If your Jackdaw disappeared before the patch, there is no official word on whether affected saves can be recovered, though some players reported the ship reappearing after fast-traveling or reloading an earlier save. The safest approach is to ensure your game is updated to version 1.0.4 or later before continuing any Harbourmaster shopping trips. Patch sizes are Xbox Series X|S: 15.35 GB, PlayStation 5: 2.44 GB, PC: 3.71 GB, Steam: 2.7 GB. Once installed, the bug is eliminated and upgrading the Jackdaw no longer triggers the disappearing ship issue.
Step-by-Step: Safely Upgrading Your Ship Post-Patch
Sigue estos pasos para hacerlo rápidamente.
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1
Verify your game version
Check that Title Update 1.0.4 or later is installed by looking at the version number in the main menu settings or by confirming the patch downloaded on your platform.
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2
Visit any Harbourmaster
To upgrade the Jackdaw, visit a Harbourmaster in any town where they are available, marked on your map with a ship icon, in ports like Nassau, Salt Key, or Great Inagua.
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3
Select Upgrade Ship
Speak to them and select the Upgrade Ship option to access the full upgrade menu and spend Reales, Metal, Wood, and Cloth on the upgrades you can afford.
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4
Exit the menu and confirm the Jackdaw is still docked
After purchasing upgrades, leave the shop and walk back to the pier to verify the ship remains visible and accessible.
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5
Upgrade the Great Inagua Harbourmaster for higher tiers
Pay the man on the pier 500 Reales to build the Harbourmaster, then pay 2,500 Reales for Level II and 5,000 Reales for Level III; Level III unlocks access to every upgrade tier.
All Major Fixes in Title Update 1.0.4
The disappearing ship was the headline fix, but it shipped alongside a much longer list: quest blockers that stranded progression, a weather rebalance nobody asked for, and a set of PC-specific fixes.
Rather than repeat the list here, the whole update is broken down in our Title Update 1.0.4 patch notes breakdown, including what is still broken after it. This page stays on the ship bug: what caused it, and what to do if your Jackdaw is already gone.
Common Misconceptions About the Ship Bug
The Bug Only Happened at Great Inagua
Not true. All upgrades are purchased through any Harbourmaster in the Upgrade Ship menu, meaning the bug could trigger at Nassau, Salt Key, or any port with a Harbourmaster vendor. Great Inagua is simply where most players first noticed it because that is where you unlock higher-tier upgrades by building the dedicated Harbourmaster stall. The disappearing Jackdaw was not location-specific; it was tied to the act of upgrading while the ship was docked nearby.
Fast Travel Could Always Fix It
Some players reported success with fast travel as a workaround, but this was inconsistent and depended on whether the game registered the Jackdaw as temporarily despawned or permanently deleted from the save file. Fixed various Fast Travel issues were part of the same patch, suggesting that fast travel itself had related problems. Relying on fast travel was a gamble, not a guaranteed solution.
The Weather Bug and Ship Bug Were Related
They were separate issues fixed in the same patch. Assassin’s Creed Black Flag Resynced made some notable changes to the original game’s weather system to make storms more dynamic and realistic, but they’ve also gotten annoyingly frequent; that’s one of the key changes in title update 1.0.4. The disappearing ship was a docking and spawn logic error, while the weather imbalance was an environmental tuning problem. Both needed independent fixes.
Our Take: Is Title Update 1.0.4 Worth the Download Time?
Nuestra opinión
The patch is mandatory, not optional, but it fixes genuinely broken systems.
The disappearing Jackdaw was a showstopper bug that could brick a playthrough if you did not have a recent manual save. Ubisoft fixed it within a week of launch, which is solid support for a remaster. The weather rebalancing is equally important — endless storms interrupt sea shanties, ruin visibility during naval combat, and make sailing feel like a chore instead of the breezy escapism the game is designed around. The weather system is being changed so that rain and storms aren’t as frequent; instead, the game will increase the proportion of clear skies and sunny days. That change alone makes exploration less tedious.
The PC cutscene unlock is a big win for anyone running custom graphics. Being locked at 30 FPS during cinematics in a game that otherwise runs at 60+ was jarring. Quest blockers like the Animus wall in “A governor no longer” were progression-ending for some players, so those fixes are critical. The audio bug where one kill sounded like multiple bodies dropping was minor but distracting during stealth sequences. Overall, the patch addresses the most disruptive launch issues without introducing new problems, which is the baseline expectation but not always the reality with day-one fixes. If you avoided the game at launch due to bug reports, it is safer now. If you were already playing, the patch removes the need to hoard manual saves before every Harbourmaster visit.
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