Unreal Engine Issues
Unreal Engine Issues
Update DefaultEngine.ini file when open project settings tab.
Tools - Nov 12, 2019There are no changes to the parameters in the .ini file, just the file has been updated. Source control becomes dirty by re-saving the file. ...
Physics Constraint Component loss of accuracy
UE - Simulation - Physics - Mar 6, 2025Physics Constraint Component has lost accuracy between Unreal versions 5.2 and 5.4 (and up). When measuring the exact distance between rigid bodies constrained by a Physics Constraint Component, the ...
Instanced Stereo setting crashes engine when building lighting, creating a vector3 or disabling setting
UE - Platform - XR - Apr 4, 2022After further investigation we noticed that the issue is arising from the Instanced Stereo setting. When creating a Vector3 in a new material, building lighting or disabling the Instanced Stereo set ...
[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]
UE - Graphics Features - Jun 14, 2017This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...
[CrashReport] UE4Editor_CoreUObject!PackageReloadInternal::LoadReplacementPackage() [packagereload.cpp:274]
Tools - Aug 17, 2018No user comments in crash group 262 UPackage* LoadReplacementPackage(UPackage* InExistingPackage, const uint32 InLoadFlags) 263 { 264 if (!InExistingPackage) 265 ...
Validity of a workaround for an issue with MobileRenderer where RecieveShadow can't be rendered properly
UE - Platform - Mobile - Nov 11, 2024Dynamic instancing is likely causing an issue where meshes that need shadows are getting combined with meshes that do not need shadows causing missing shadows. Tests were done with CSMs. Reproducti ...
Deprecate GeometryCollectionDebugDrawActor and its Component
UE - Simulation - Physics - Destruction - Oct 1, 2020/// We are going to deprecate this component for the UE5 release. /// The issue also reproduces if console command"p.gc.ShowRigidBodyId -1" is executed in PIE The issue can be reproduced ...
[CrashReport] Assertion failed in UE4Editor_LandscapeEditor!FLandscapeEditorCustomNodeBuilder_TargetLayers::HandleDragDetected()
UE - LD & Modeling - Terrain - Landscape - May 31, 2017This report has been logged due to a high volume of submitted crash reports. Additional information is not currently available. User Descriptionsi create A game ENd Crashi was trying to create a l ...
Crash when pasting transform in Sequencer
UE - Anim - Sequencer - Aug 21, 2017The editor crashes when trying to copy and paste a key in sequencer if the mouse has been slightly moved. ...
Crash occurs when importing attached FBX with default import settings
UE - Editor - Content Pipeline - Import and Export - Dec 22, 2016While verifying a bug for 4.15 UE-39952 , I tried to repro in 4.14.2 and the editor crashed while attempting to import the attached FBX In 4.15, the Editor does NOT crash a window pops up stating t ...