Unreal Engine Issues
Unreal Engine Issues
Chaining AutomationTool Commands leads to an endless loop
UE - Foundation - Cpp Tools - Automation Tool - Nov 23, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...
Expose on Spawn option removed from BP Editor for User Created Structs after Migrating
UE - Gameplay - Blueprint Editor - Dec 14, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Only seems to occur with User Defined Structs. Testing with other variable types, but all ...
Hot reloading after changing custom trigger volume code causes the volume bounds to vanish
UE - Gameplay - Nov 28, 2016When the code for a custom trigger volume is changed and a hot reload is preformed, the green bounds of the volume disappear and the volume can no longer be interacted with. The bounds do not reapp ...
Visual flicker occurs with object during play
UE - Graphics Features - Sep 5, 2017There is an issue occurring where objects are flickering, and what appears to be jittering at set distances when rendering, increasing the bounds of the mesh pushes the distance for the issue out. T ...
[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::CalculateLODFromScreenSize() [landscaperender.cpp:1522]
UE - LD & Modeling - Terrain - Landscape - Mar 27, 2018No user comments in crash group 1511 if (PreferedLOD >= 0.0f) 1512 { 1513 PreferedLOD = FMath::Clamp<int32>(PreferedLOD, FMath::Max((float)FirstLOD, MinValidLOD), FMath::Mi ...
Wrong normal map compression settings when importing USD file
UE - Editor - Content Pipeline - USD - Apr 22, 2022Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...
Network Emulation outgoing dropped packets on client higher than expected
UE - Networking - Oct 14, 2022Under certain network emulation settings, it looks like outgoing packets from the client will be dropped in groups (around 4 or more packets at a time) rather than individually. This leads to the ac ...
[Interchange] Crash on asset re-import
UE - Editor - Content Pipeline - Import and Export - Feb 7, 2025We've started seeing a crash in editor when re-importing one of our assets. <pre class="ql-syntax">Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 783] Array index out of ...
Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.
UE - Gameplay - Blueprint Compiler - Sep 27, 2021Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...
Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute
Tools - May 26, 2016When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...