Unreal Engine Issues

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash

Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...

[CrashReport] UE4Editor_LandscapeEditor!ULandscapeEditorObject::PostEditChangeProperty() [landscapeeditorobject.cpp:158]

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 144 { 145 NewLandscap ...

[CrashReport] FMaterialEditor::NotifyPostChange()

This is a trending crash in the 4.17 release. Update: also trending in the 4.18 release User DescriptionsImporting new charactertogled lighting modes on shadersChanging attriubtes on a materialWa ...

[CrashReport] FDeferredShadingSceneRenderer::ShouldPrepareDistanceFieldScene()

Sent in the unattended mode ...

Converting BSP to static mesh on Linux causes the editor to crash

Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...

Niagara Fluids Grid3D_Gas_Explosion causes a crash

Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit.  This does not ...

Datasmith Tessellation does not work as operator in the visual dataprep

Crash when playing a HapticFeedbackEffect_Soundwave

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

Ensure condition failed: PrimitiveComponent tried to render with Material MaterialInstanceDynamic, which was not present in the component's GetUsedMaterials results

Top 10 ensure in 4.15. There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this. ...