Unreal Engine Issues
Unreal Engine Issues
Crash enabling Stochastic Rect Light with Ray Tracing
UE - Graphics Features - Lumen - Oct 13, 2020Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748). ...
Text type parameters show the same value after reload in duplicated actor
UE - Gameplay - Blueprint - Jan 4, 2021Issue occurs in both events and functions. Seems like it's only affecting Text, didn't notice this issue for other variable types. The original actor is working as expected. Only the duplicated one ...
JobObject appears to break /ZI pdb compiles
UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 9, 2023It seems that the [Link Removed] UBT creates to ensure any child processes are terminated on close is somehow affecting the mspdbsrv process that cl is spawning and terminating it when cl is finishe ...
Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level
UE - Editor - Workflow Systems - Mar 30, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...
Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child state.
UE - AI - StateTree - Apr 25, 2023This is a regression. Tested in //UE5/Release-5.1 CL2390901 The crash occurred 3/5 times. Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child ...
Preview rendering does not update when slider is moved below 0.0 in timeline on in Niagara Editor.
UE - Niagara - Jul 26, 2023Workaround in UE5.3: UNiagaraComponent::TickComponent if (AgeDiff < 0.0f) { SystemInstanceController->Reset(FNiagaraSystemInstance::EResetMode::ResetAl ...
VolumetricCloud crashes in orthographic view
UE - Graphics Features - Feb 17, 2025FVolumetricRenderTargetViewStateData structure for the orthographic view is not initialized and the structure has some uninitialized member variables. If uninitialized FVolumetricRenderTargetViewSta ...
Static Mesh Only enabled Foliage Actor causes serialization error in packaged game
UE - World Creation - Worldbuilding Tools - Nov 24, 2023The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA if (!Ar.IsCooking()) // ...
Editor crashed on opening level blueprint
UE - Gameplay - Apr 10, 2017I've been unable to reproduce this issue. Once only occurrence so far. I did some other things inside the level in between these steps like pressing play and copying, rotating, deleting objects in ...
Materials using Media Textures appear upside down in UMG on Android
Tools - Jul 7, 2015When a user applies a media texture to a material and then applies this to an image widget, this material appears upside down when launched on to the Galaxy Note 3 (OS-Android 5.0) and the Nexus 5 ( ...