Unreal Engine Issues
Unreal Engine Issues
Editor crashes when calling a "scroll into view" node with missing parameters
UE - Editor - UI Systems - Jan 15, 2018There is an issue where Editor crashes when calling a "scroll into view" node with missing parameters. This issue should be caught when compiling the blueprint as one of the values should not be nul ...
GenerateProxyMesh causes incorrect transform in ISM using Scale
UE - World Creation - Worldbuilding Tools - HLOD - Aug 20, 2019MeshVertex has been converted by component transform before being converted by instance transform. It is ( Vertex * ComponentTransform ) * InstanceTransform. I thought it has to be converted by (Ve ...
FCDODiffControl doesn't properly account for lists of differing size.
UE - Gameplay - Blueprint - Sep 21, 2016FCDODiffControl doesn't properly account for lists of differing size. The issues are marked in the following code:int IterOld = 0; int IterNew = 0; while (IterOld != OldProperties.Num() || IterNew ...
TickComponent and PostPhysicsTick in SkeletalMeshComponent can cause simultaneous read/write access
UE - Anim - Runtime - Jan 18, 2023When a SkeletalMeshComponent is restarted by calling in order of SetSimulatePhysics and SetComponentTickEnabled, the TickComponent and EndPhysicsTick are executed simultaneously. As a result, the ...
Sequencer autosorts alphabetically on undo
UE - Anim - Sequencer - Sep 8, 2023[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...
Crash on inputting Scalar Value in Grass Material Node
UE - LD & Modeling - Terrain - Landscape - May 6, 2015Crash occurs when inputting a Scalar Parameter into the New to 4,8 Grass Node. Also reproduced in Main Promotable-CL-2535351 ...
Lumen screen traces from hair cast noising moving shadows on faces
UE - Graphics Features - Lumen - May 17, 2024There is moving blotchy noise on the head and face from hair when Lumen HZB tracing hits hair. CL 33258050 fixes the noise in the hair, but tracing still hits hair when it starts from surfaces like ...
Hot Reload crash with Scene Component tied to Actor class
UE - Foundation - Core - Feb 19, 2015After 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. ...
Landscape Visibility Tool crashes editor
UE - LD & Modeling - Terrain - Landscape - Feb 20, 2015Editor crashes when landscape visibility tool is used on landscape. Frequency: 2/2 Crash Reporter: [Link Removed] ...
Many native-only interfaces incorrectly appear as implementable by blueprints
UE - Gameplay - Blueprint - Sep 14, 2020Right now, any UINTERFACE that is not marked as CannotImplementInterfaceInBlueprint is shown as implementable in blueprint. If these functions have BlueprintCallable functions or related things then ...