Unreal Engine Issues

Crash when Opening the Class Defaults or Class Settings Tab within an Actor Blueprint

A crash occurs when attempting to open the 'Class Defaults' or 'Class Settings' tab of an Actor Blueprint. If the 'Details' tab is already open and you close it and attempt to reopen the options, th ...

Crash duplicating or deleting any component inside of Actor BP if lights or triggers are present

When duplicating or deleting a component whilst a point light is also a component within an Actor BP, the editor crashes. See callstack for info. This is a regression. Working: 4.15.2 Broken: 4.16 ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

[CrashReport] UE4Editor_ContentBrowser!SAssetView::AssetRenameBegin() [sassetview.cpp:3956]

This is a common crash that has occurred since at least 4.17. Users have not provided any descriptions about their actions when the crash occurred. Source Context 3952 void SAssetView::Ass ...

Linux crash when Exporting content

When the ExportAll window is opened, changing the file type filter and attempting to edit the chosen file field causes the editor to crash. ...

Crash when Changing LOD Group on SpeedTree Assets

A crash occurs when changing/setting the LOD Group of a SpeedTree asset within the Static Mesh editor. Regression? Yes, this crash does not occur in the 4.13.2 binary release. ...

Hot Reload crash with Scene Component tied to Actor class

After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...

Plane Constraint Normal is not Properly Reset

In the Character Movement Component, setting the Plane Constraint Normal to a value other than default, and then attempting to change the value back to the default does not revert to the default val ...

Crossfade sharing doesn't allow more than one shared transition

Looking at the propagate function:void UAnimStateTransitionNode::PropagateCrossfadeSettings() { UEdGraph* CurrentGraph = GetGraph(); for (int32 idx = 0; idx < CurrentGraph->Nodes.Num(); idx++) ...

New Material Thumbnails are appearing distorted

When creating a new material the thumbnail will start out as the default material sphere but then quickly appear distorted, almost like its zoomed in really close. This does not affect already creat ...