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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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1
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457
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September 18, 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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813
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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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2333
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October 23, 2025
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42.20: UEFN publishing validation passes but Creator Portal fails with cookplugin.heartbeattimeout
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1
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20
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September 20, 2026
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Epic Games already fixed this same ping problem for Dallas players. Perth, WA still waits.
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0
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5
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September 20, 2026
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Mouse + Controller Bug on PC – Version 42.10
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10
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190
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September 20, 2026
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Robinson Park second task bug
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0
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1
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September 20, 2026
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The actor is behaving strangely.
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0
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3
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September 20, 2026
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[CRITICAL] Proximity voice chat completely broken since update 40.20
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32
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369
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September 20, 2026
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UEFN won't launch: “Failed to open descriptor file FortniteGame.uproject”
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4
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152
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September 20, 2026
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Stuttering and Freezes Despite Stable Performance Metrics, Especially With 15+ Players
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7
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83
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September 20, 2026
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[Critical] Save file corruption when server hoping while a map update gets released
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9
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397
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September 19, 2026
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Severe FPS Drops and Short Freezes in Fortnite Creative / UEFN
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0
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22
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September 19, 2026
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Creative Options -> End Game now shows for private servers in ALL islands
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5
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216
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September 19, 2026
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[Experimental - Scene Graph Cameras] Inconsistency in player’s camera_director behavior between Edit and Playtest Sessions
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5
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96
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September 19, 2026
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[Experimental - Scene Graph Cameras] Audio remains tied to the player’s original camera
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2
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74
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September 19, 2026
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Revision control not working
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0
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14
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September 19, 2026
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Proximity voice chat produces silence in v42.20 — Sound Bus submix attach fails intermittently
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1
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16
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September 19, 2026
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Assets that touch the centre of the map seems to dissapear in game mode
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3
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55
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September 19, 2026
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All chapter 7 Terrian Cliffs render distance pop up and pop off not working as intended
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0
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10
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September 19, 2026
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PHYSICS TREE (DEVICE) – BUGGED / MULTIPLE ISSUES
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0
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16
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September 19, 2026
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Players Cannot Join an Ongoing Round in Fortnite Creative 1.0
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23
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312
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September 19, 2026
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Private matchmaking bug
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4
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162
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September 19, 2026
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Paid Player Cosmetics Not Working – Outfits, Emotes & Cosmetics Failing to Render
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1
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38
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September 19, 2026
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Custom Items lose icon and appear as generic weapon after v42.10 (worked fine before)
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8
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203
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September 19, 2026
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Players Join Other Players in Private Matches
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2
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113
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September 19, 2026
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Animation for Metahuman doesn't play in Sequencer 5.8
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2
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161
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September 18, 2026
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Chapter 3 Season 2 Filter appears twice in Prefabs and Galleries
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0
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13
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September 18, 2026
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[Physics] Physics island's Fort_Character's GetViewRotation() and GetViewLocation() have inconsistent behavior compared to normal islands
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2
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29
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September 18, 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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93
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September 18, 2026
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