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v40.00 Known Issues
Hello Fortnite developers,
During pre-release testing for v40.00, our expanded testing process helped us to identify a number of issues that were fixed before the build was finalized for distribution. However, a few iss…
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19
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6092
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March 23, 2026
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Your Feedback and Bug Reports Help Shape the Future of Fortnite’s Developer Tools
Your feedback directly shapes the future of Fortnite and Unreal Editor for Fortnite (UEFN), informing how we evolve our tools, features and roadmap. Today, we’re sharing how we turn your input into action using two custo…
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14
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404
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March 19, 2026
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[FORUMS] Editing Bug Reports Causes Escalation Issues
Hey folks!
We can escalate posts in the Issues and Bug Reporting forum to create a ticket for us to view. This makes it easy for us to get more information from you and for the developers to see exactly what the issue i…
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13
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1799
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February 11, 2026
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MSS_PlayRandom_Loop_Preset now reporting validation issue. Preset creates Stereo, though Validation asks for Mono. 'Fix' is not working
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3
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32
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March 26, 2026
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Trigger sound bug in UEFN
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3
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100
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March 26, 2026
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Materials are not correctly kept between rounds.
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0
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4
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March 26, 2026
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[Verse] `ToDiagnostic()` breaks when being concatenated or formatted with extra strings
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3
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24
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March 26, 2026
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Clicking on "Set Primary Vehicle" while in a Changing Booth Device soft locks the game (Workaround Included)
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1
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59
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March 26, 2026
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Can't interact with `interactable_component` during "non-round" phases anymore
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1
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20
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March 26, 2026
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IK / Retargeter / NPC Blueprint system broken after latest UEFN update (was working before)
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11
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72
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March 26, 2026
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VFX powerup device, basic glow effect
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0
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2
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March 26, 2026
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[ SW ] Missing collision on some new Star Wars props
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1
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11
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March 26, 2026
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UEFN 40.00 is easily 300% slower than previous version
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8
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178
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March 26, 2026
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Jam Emote Wheel is bugged.
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0
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2
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March 26, 2026
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Skydive Volume bugged again
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9
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53
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March 26, 2026
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Changing a game setting updates lighting
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1
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85
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March 26, 2026
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Matchmaking issue – players always placed into separate sessions instead of the same lobby
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60
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562
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March 26, 2026
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Connection TIMED OUT
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0
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6
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March 26, 2026
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Chapter 6 nature galleries missing the Large Cedar trees
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7
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258
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March 26, 2026
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Assets Not Validating on Steamy Stacks POI Island in UEFN
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6
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135
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March 26, 2026
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Grapple Glove Removes Players Ability To Fire
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1
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18
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March 26, 2026
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Memory Pressure pop-up occurs too often (40.00)
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1
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66
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March 26, 2026
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"CozySoup FishKites A" can be destroyed even if environmental damage is off
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2
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9
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March 26, 2026
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Server Crash / Freeze (random)
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1
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14
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March 26, 2026
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UI Widget Blueprint got corrupted - crashes UEFN and prevents session to load
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12
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167
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March 26, 2026
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"Goal: -1" Error in Domination/Conquest HUD
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0
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3
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March 26, 2026
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Billboard text randomly becomes invisible
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0
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3
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March 26, 2026
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[v40.00] Cannot launch session - MODULE_NOT_FOUND on Epic content-service
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0
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7
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March 26, 2026
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[ SW ] Star Wars Chest Containers visually don't close
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1
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10
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March 26, 2026
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BigBush looks different in game VS in Editor
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1
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11
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March 26, 2026
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