Unreal Engine Issues
Unreal Engine Issues
Mover Plugin: UNavMoverComponent::GetFeetLocationBased() returns incorrect FBasedPosition when using WalkingMode over a Movable floor, making UPathFollowingComponent erroneously detect a blocked move
UE - Gameplay - Player Movement - Mover - Nov 12, 2025Function UNavMoverComponent::GetFeetLocationBased() on file "NavMoverComponent.cpp" returns an FBasedPosition built from an FRelativeBaseInfo. The "MovementBaseInfo" is read from key "CommonBlackboa ...
Ray traced shadows appear even after the mesh is hidden
UE - Graphics Features - Lumen - Oct 13, 2020bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...
Physics Thruster has no effect on destruction mesh
UE - Simulation - Physics - Destruction - Apr 13, 2015Physics Thruster actor does not affect destruction meshes that it is attached to. ...
Setting Slate Font Info default value in struct crashes editor
UE - Gameplay - Blueprint - May 19, 2016Setting Slate Font Info default value in struct crashes editor Frequency: 3/3 Crashreporter N/A Regression (no) issue (does) occur in 4.11.2 ...
ARKit - Handheld AR Template Experiences Periodic Hitches when Quick Launched
UE - Platform - Mobile - Jan 14, 2025Reproduced 3/3 times. Regression testing in progress. Issue was reproduced on both Windows and MacOS launching onto iOS. Issue does not reproduce when packaging and installing an .ipa app. ...
[CrashReport] Crash on Linux - FShaderCompilingManager::LaunchWorker()
UE - Graphics Features - Jul 14, 2017This is a common crash affecting users on Linux. No additional information is available. ...
ShooterGame Crashes on Exit on iOS Due to Exhausting Real Time Allowance
UE - Platform - Mobile - Jul 30, 2018When closing ShooterGame on an iOS device, the application crashes due to "exhausting the real time allowance of 5.00 seconds". This issue is NOT a regression for //UE4/Dev-Networking as it is also ...
Build Warning when HotReloading - LogUObjectGlobals:Warning: Guid is already used by
UE - Gameplay - Blueprint - Sep 12, 2016Changing class code causes class instance placed in the viewport to produce the warning message shown below upon hot reload. Also reported that callstack occurs but does not crash the editor. The ...
Applying spline component to landscape via level blueprint crashes the editor
UE - LD & Modeling - Terrain - Landscape - May 16, 2016Applying spline component to landscape via level blueprint crashes the editor. Frequency: 3/3 CrashReporter: [Link Removed] Regression (No) issue (does) occur in 4.10.4 ...
Landscape GrassType does not have the option to exclude Decals
UE - World Creation - Worldbuilding Tools - Foliage - Feb 8, 2016Landscape grass type lacks the option to disable decals from affecting it. ...