Unreal Engine Issues
Unreal Engine Issues
Editor 'Build All Levels' discards Volumetrics Lightmaps in persistent level
UE - Graphics Features - May 14, 2025Building the level or lightmaps can clear the volumetric lightmap. In 5.5, this requires you to perform a full build, or a lighting only build with a BSP brush in the scene. In 5.6, all level build ...
Using Scene Capture 2D with a movable Skylight will cause a crash
UE - Graphics Features - May 11, 2015When placing a Scene Capture 2D with an assigned Render Target Texture and using a movable Skylight the editor will crash. [Link Removed] ...
VR Mode - Landscape Mode - Flatten tool crash
UE - LD & Modeling - Terrain - Landscape - Sep 25, 2019Crash will occur when attempting to use Flatten tool on landscape while in VR Editor. Confirmed in 4.24 MAIN @ CL 9084132 Confirmed on Vive and Rift ...
Using the Transform Tool to manipulate multiple Event Trigger keys at different times in the Sequencer Curve graph sometimes causes crash
UE - Anim - Sequencer - Dec 8, 2021This is not a regression. I was able to reproduce the crash in 4.26. Using the transform tool to manipulate keys for an Event Trigger within the curve editor of sequencer sometimes causes it to cra ...
If a component has been rotated at all, running ComponentSweepMulti on it does not return the correct position of any colliders on the component
UE - Simulation - Physics - May 14, 2015ComponentSweepMulti does not return the correct location of colliders if the component that is passed in has been rotated at all. The actual collision on the object in the game will be correct. ...
[CrashReport] UE4Editor-ShaderCore!FVertexFactoryParameterRef::SetMesh(FRHICommandList &,FShader *,FVertexFactory const *,FSceneView const &,FMeshBatchElement const &,unsigned int)
UE - Graphics Features - Feb 8, 2019Generated from CrashReporter ...
Crash when calling an event with an enum reference parameter with literal
UE - Platform - Linux - May 1, 2018The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...
Editor Crashes when Isolating a Material Element on Skeletal Meshes with Ray Tracing Enabled
UE - Graphics Features - Lumen - Jul 3, 2019With ray tracing turned on, clicking on the isolate material option next to a material slot on a skeletal mesh with more than one material slot, causes the editor to crash. Found in 4.22 CL# 7053647 ...
Crash with Gear VR when using splash screen
UE - Platform - XR - Dec 5, 2016Crash with Gear VR when using splash screen. The app appears to crash when trying to call the splash screen. ...
[CrashReport] UE4Editor_UnrealEd!UEditorEngine::bspBrushCSG() [editorbsp.cpp:1188]
UE - LD & Modeling - Modeling Tools - BSP - Sep 7, 2017This is an infrequent BSP crash occurring for users in 4.17 User DescriptionsWas getting ready to creat a stic mesh from some brushes, did the align verticies, computer chugged on it a bit then edi ...