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v42.20 Known Issues and Pre-Release Updates
Hello Fortnite developers,
Here’s what to know ahead of v42.20: one behavior change, a few fixes that have moved to a later version, and the issues we’re currently tracking.
Behavior change in v42.20
From v42.20, the …
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2
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562
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September 21, 2026
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v42.10 Known Issues and Pre-Release Updates
Hello Fortnite developers,
Here are the known issues we found in pre-release testing for v42.10, along with the community fixes shipping in this release. We’ll share updates in future posts as fixes roll out or timeline…
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9
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831
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September 8, 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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7
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2351
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October 23, 2025
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[CRITICAL] Proximity voice chat completely broken since update 40.20
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36
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523
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September 25, 2026
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Brutal Bastion Bugged Assets UEFN/Creative 1.0
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1
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9
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September 25, 2026
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Shogun’s Solitude Nature Gallery Bugged Textures UEFN/Creative 1.0
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3
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63
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September 24, 2026
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Creative 1.0 Reset Position Function Not Returning Objects to Original State
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6
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217
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September 24, 2026
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Japanese Fall Nature Gallery Incorrect & Missing Asset UEFN/Creative 1.0
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3
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105
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September 24, 2026
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Snowy Mountain Nature Gallery Bugged Textures UEFN/Creative 1.0
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0
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8
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September 24, 2026
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Japanese Winter Nature Gallery Bugged Textures UEFN/Creative 1.0
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0
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8
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September 24, 2026
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Frigid Fortress Nature Gallery Bugged Textures UEFN/Creative 1.0
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0
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7
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September 24, 2026
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Golden Coast Winterfest Nature Gallery Bugged Textures UEFN/Creative 1.0
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0
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10
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September 24, 2026
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UEFN 42.20: Launch Memory Calculation uploads a private version but no calculation starts
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0
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7
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September 24, 2026
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[Experimental - Scene Graph Cameras] Audio remains tied to the player’s original camera
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3
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102
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September 24, 2026
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Explosive device acts as a physics prop
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0
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9
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September 24, 2026
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Mouse + Controller Bug on PC – Version 42.10
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20
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339
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September 24, 2026
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Map Controller device bugged!
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0
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5
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September 24, 2026
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I cannot archived islands in Creator Portal, UEFN and Content Service
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1
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72
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September 24, 2026
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Npc and players are not sliding in ice and icy slopes
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2
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225
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September 24, 2026
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Scene Graph Keyframed Movement Very Jittery
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11
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110
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September 24, 2026
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CurveColor_Time_of_Day Does Not Properly Validate
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1
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182
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September 24, 2026
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Unable to exit any vehicle
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29
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455
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September 24, 2026
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42.20: Fortnite client GPU hang (DEVICE_HUNG) in LumenReflections when launching a UEFN session; the reset also kills UEFN
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0
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7
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September 24, 2026
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Players Cannot Join an Ongoing Round in Fortnite Creative 1.0
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25
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358
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September 24, 2026
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Mats UI shows 0
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1
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73
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September 24, 2026
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[Itemization] Removing items from inventories still leads to wrong unexpected behaviors.
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2
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212
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September 24, 2026
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PHYSICS TREE (DEVICE) – BUGGED / MULTIPLE ISSUES
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1
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51
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September 24, 2026
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Editable textures don't work in material parameters
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1
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17
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September 24, 2026
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UEFN 42.20: Python cleanup crashes and confirmed native callable size mismatch
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4
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34
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September 24, 2026
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In-World Widgets heavily impact performance
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1
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241
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September 24, 2026
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