Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]
UE - Graphics Features - Jul 5, 2018User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...
Macros from temporary diff blueprints can be placed and corrupt blueprint
UE - Gameplay - Blueprint - Feb 1, 2021Following the repro, a temporary copy of a BP Macro library is loaded into memory. When you right click to place a node, it incorrectly lists macros defined in this temporary library. They are fully ...
Compile Warning for Local TMap Variables
UE - Gameplay - Blueprint - Apr 12, 2017When using TMaps within a function in blueprints & then compiling the blueprint causes a warning to be created in the output log. In some test cases it only occurs with a local function TMap variabl ...
Push-model blueprint array property not properly marked dirty if modified by different actor
UE - Framework - Blueprint Compiler - May 17, 2023In KismetArrayLibrary.h, functions that modify the array property call MARK_PROPERTY_DIRTY(Stack.Object, ArrayProperty). Because these calls use the stack object and not the property's owner, modify ...
Persona code calling incorrect extenders when building menus.
OLD - Anim - Jan 25, 2017Certain files for building menus is calling the wrong extenders List of known conflicting functions:FSkeletalMeshEditor::ExtendMenu() [Engine\Source\Editor\SkeletalMeshEditor\Private\SkeletalMeshEd ...
Noise Node used in UI Material is rendering Black
UE - Graphics Features - Feb 15, 2016The Noise Node when used in a UI Material is rendering completely black in 4.11. This is a Regression from Behavior in 4.10.2 It looks like the Noise Node (at least form the preview of the noise i ...
Crash in FShadowSceneRenderer::AddDirectionalLightShadow
UE - Graphics Features - Shadows - Jun 2, 2025This is a race condition between the FShadowScene update & rendering, where sometimes the renderer tries to access a data array before it has been populated leading to the crash. It happens fairly r ...
Physics actor attached during runtime doesn't have proper collision
UE - Gameplay - Oct 14, 2015Physics actor attached during runtime doesn't have proper collision User Description: It seems that the "Weld Simulated Bodies" option on the AttachToActor function (same with AttachActorToActor) ...
Scaling blueprint component via gizmo breaks if axis scale reaches 0.0
UE - Gameplay - Blueprint - Oct 4, 2016Using the transform gizmo to scale a blueprint component will break the functionality if scaled to 0.0 and released. Workaround: If the scale value is directly set to non-zero value, gizmo can be u ...
Missing assignment/recursion in UHLODProxy::FindFirstActor can potentially lead to an infinite loop
UE - World Creation - Worldbuilding Tools - HLOD - Aug 13, 2018User reports on the forums of being stuck in an infinite loop and noticed a dead branch in the titled function:The body of if (SubLODActor) doesn't actually do anything, guaranteeing an infinite loo ...