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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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736
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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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2319
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October 23, 2025
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Unable to exit any vehicle
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25
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340
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September 14, 2026
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UFO prop from the Classified Canyon Prop Gallery does not have Collision in Creative 1.0, and cannot be deleted as such
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2
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25
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September 14, 2026
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Custom Swords Glitch
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3
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77
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September 14, 2026
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Guard spawner removes weapons automatically in UEFN
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2
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115
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September 14, 2026
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fort_vehicle_seat.SetOccupant fails if agent is already seated
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1
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12
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September 14, 2026
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?creative_device_base editable variables disappear after selecting the class in UEFN
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2
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25
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September 14, 2026
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Map Indicator Device not re-enabling
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1
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8
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September 14, 2026
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Severe FPS / Performance Issues in Published UEFN Maps Since Update 42.10
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2
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148
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September 14, 2026
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World UI Widgets are not removed with .RemoveFromParent when they are sub-entities of prefabs
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7
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43
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September 14, 2026
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Falcon Eye Sniper Bug!
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6
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345
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September 14, 2026
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FloatToUInt and UIntToFloat Material Expressions Are Invalid in UEFN despite being mentioned in patch notes
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2
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52
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September 14, 2026
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Some Pistol-type weapons, including grapplers, use AR holding animations .
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4
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264
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September 14, 2026
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Disconnecting from all sessions (including Edit Sessions) after secondary account for testing was banned
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4
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53
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September 14, 2026
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Lighting Scalability Manager not working on IOS ?
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1
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25
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September 14, 2026
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CRITICAL: Landscape material is completely broken
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22
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334
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September 14, 2026
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Scoped Weapons Show Player Head While ADS
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2
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120
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September 14, 2026
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Character's head not hiding on weapons with scopes
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2
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153
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September 14, 2026
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Shows 0/x ready constantly so you cannot go into games
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4
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22
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September 14, 2026
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Live Edit sessions not joinable as of 42.10
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15
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279
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September 14, 2026
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Is that just me or the Chapter 5+ scoped weapons when you aim , the head blocks the scope?
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4
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59
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September 14, 2026
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FIRST PERSON CAMERA BUG
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2
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192
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September 14, 2026
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Can't Publish An Island due to Verse Errors.
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1
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25
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September 14, 2026
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npc_actions_component.Focus() incorrectly handles NPC yaw and pitch
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1
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19
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September 14, 2026
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`<final>` written on a class name (`x<final> := class ...`) compiles without a diagnostic and does not seal the class; the public digests use that spelling 42 times
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1
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32
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September 14, 2026
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Client crash (EXCEPTION_ACCESS_VIOLATION) preceded by continuous 'fort.input.upgrades.movement' CVar warning spam
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6
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47
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September 14, 2026
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((errors.com.epicgames.common.processing
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53
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13842
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September 14, 2026
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[GAMEBREAKING] Chapter 6 movement (wall kicking, wall scrambling) STILL completely broken.
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14
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631
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September 14, 2026
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Spatial Profiler showing 7.9gb on empty map UEFN 41.2
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20
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227
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September 14, 2026
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