General Issues and Bug Reporting
UEFN Validation
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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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21 | 6538 | April 3, 2026 |
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v40.10 Known Issues
Hello Fortnite developers, All significant issues identified during pre-release testing for v40.10 were resolved prior to release. We’ll update this thread with any issues identified post-release. v40.10 also includes … |
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4 | 577 | April 3, 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 | 440 | 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 | 1822 | February 11, 2026 |
| Publishing Error |
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0 | 3 | April 4, 2026 |
| Player Spawner Rotation very wrong |
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2 | 63 | April 4, 2026 |
| Vehicle cosmetics don't work in a creative island |
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18 | 215 | April 4, 2026 |
| ((errors.com.epicgames.common.processing |
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10 | 497 | April 4, 2026 |
| Player Flight |
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2 | 114 | April 4, 2026 |
| Proximity voice chat |
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2 | 10 | April 4, 2026 |
| Cell Shaded Skins have incorrect reflections on Mirrors. |
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11 | 41 | April 4, 2026 |
| Critical Security Exploit: Players Forcing Server Lag and Disconnections in Creative |
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0 | 5 | April 4, 2026 |
| Creative 1.0 : Level Instance Bugs and Anomalies |
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3 | 26 | April 4, 2026 |
| VFX Creators and Spawners do not restart correctly. |
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8 | 29 | April 4, 2026 |
| [VERY CRITICAL] Fortnite Servers (All Modes) Targeted by DDoS Attacks |
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43 | 759 | April 4, 2026 |
| Copying And Pasting creates device naming issues. |
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4 | 25 | April 4, 2026 |
| Cutting and pasting do not work as intended. |
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4 | 15 | April 4, 2026 |
| Mobile Fab Store is broken |
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1 | 10 | April 4, 2026 |
| Major Visual Fidelity Loss (Critical Failure of Volumetric Lighting, Glow Assets, and Global Illumination) compared to Legacy Builds Save the World |
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11 | 620 | April 4, 2026 |
| Launch session - Cook failure out of memory |
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10 | 145 | April 4, 2026 |
| [ISSUE] Cliff textures appear stretched when using certain landscape materials in performance mode |
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0 | 6 | April 4, 2026 |
| Air vent with skydive issue |
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0 | 2 | April 4, 2026 |
| UEFN memory issue after v40.0 |
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2 | 111 | April 4, 2026 |
| UMG Widgets using Make Transform conversion function stop working |
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1 | 8 | April 4, 2026 |
| Controller Autorun Speed Exploit with Vehicles |
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7 | 138 | April 4, 2026 |
| Consumable Mushroom does not react correctly to Cutting and Pasting |
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2 | 7 | April 4, 2026 |
| Immersive Camera is broken. |
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6 | 33 | April 4, 2026 |
| Hero Device Ignores Team Settings And Inventory Device's TeamMemberEliminated Event |
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0 | 7 | April 4, 2026 |
| Duplicating items using DDoS attacks |
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5 | 170 | April 4, 2026 |
| [Major] Min / Max Aspect Ratio child layout settings are still hidden on the UMG Size Box |
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8 | 171 | April 4, 2026 |