Unreal Engine Issues
Unreal Engine Issues
World Partition Editor minimap build failed
UE - Engine Scaling - Streaming - Aug 10, 2023The issue was reproduced when building a minimap for an open world level with no Actors with "Is Spatially Loaded" enabled. Placing additional Actors with "Is Spatially Loaded" enabled in the level ...
Plugin Warden entitlement check "timing out" error
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 28, 2017A growing number of users are reporting the Plugin Warden entitlement check timeout error while attempting to import datasmith files. Some users have been able to resolve the issue, some have not. ...
GetMonitorSizeFromEDID may fail to acquire the native resolution for ultrawide monitors
UE - Core - Systems - Dec 20, 2023For some ultrawide monitors, UE may not correctly fetch the native resolution. GetMonitorSizeFromEDID attempts to retrieve native resolution from the Detailed Timing Descriptor of the EDID, but thes ...
Granular Synth stays silent since it cannot load the sound with Stream Caching enabled
UE - Audio - Jun 1, 2020Using Granular Synth with Stream Cache enabled, Granular Synth will stay silent since it cannot load the sound with Stream Caching turned on. This was reported and tested in 4.25 (CL-13144385). Thi ...
AsyncSaveGameToSlotForLocalPlayer does not properly handle multiple requests
UE - Gameplay - Nov 14, 2025ULocalPlayerSaveGame::AsyncSaveGameToSlotForLocalPlayer was designed to properly support multiple in flight requests at the same time, but the current code does not work correctly and this can cause ...
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateUniformBuffer() [d3d11uniformbuffer.cpp:218]
UE - Graphics Features - Jun 12, 2018No user comments in crash group 208 check(Layout.ResourceOffsets.Num() == NumResources); 209 210 for (int32 i = 0; i < NumResources; ++i) 211 { 212 ...
Crash when exposing a TOptional<FName> or TOptional<FText> to the editor through a UProperty.
UE - Editor - Mar 25, 2025Support for editor-exposed uproperties of type TOptional<T> has been added by CL 28199740 on september 2023. However, since then until today in UE 5.5, a crash can happen when exposing TOptional<FNa ...
Packaged Android file sizes have increased dramatically
UE - Foundation - Core - Cooker - Mar 6, 2015Multiple users on AnswerHub and forums have reported seeing very large increases on their packaged Android projects. One user reported being unable to get the Tappy project itself down to less than ...
FBX Import flips faces of mesh on Import for static meshes
UE - Graphics Features - Jan 29, 2016User is reporting that this is happening with some, but not all meshes. I didn't see anything out of the ordinary when looking at the asset in 3Ds Max, and the asset will import correctly into 4.10. ...
[CrashReport] PhysX3PROFILE_x64!physx::PxcDiscreteNarrowPhase() [pxcnpbatch.cpp:293]
UE - Simulation - Physics - Nov 23, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...