Unreal Engine Issues
Unreal Engine Issues
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
When the value of the TMap variable of the child blueprint is changed and compiled, it will restore to the default value of the parent blueprint.
UE - Gameplay - Blueprint - Sep 1, 2021For TMap variables of type struct created in blueprint, if change the default value in child blueprint and compile, it will restore to the default value of the parent actor. This problem does not o ...
IAnimationDataController::Evaluate implementations do not account for compatible skeletons
UE - Anim - Runtime - Aug 25, 2023Looks like we are missing code in the Evaluate methods similar to what we are doing in DecompressPose to account for compatible skeletons. The easiest way to repro is in a standalone game because ...
PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node
UE - World Creation - Procedural Tools - PCG Component - May 16, 2024PCG causes crash when UGrassInstancedStaticMeshComponent is set as a mesh entry for the static mesh spawner node. ...
Improve extra state debug box when net debug drawing
UE - Networking - Aug 28, 2024With net debug drawing enabled, an extra debug box is drawn around some actors to indicate if the actor is always relevant or if it is distance culled. However, the strange size of this box makes ne ...
Add Substrate Material Support to Lumen Performance Overview
UE - Graphics Features - Substrate - Feb 10, 2025There is a discrepancy when inspecting Substrate materials in the Lumen Performance Overview. Compared to viewing non-Substrate materials the overview show all surfaces in red indicating that Lumen ...
Overlay materials stop working when Show Collisions
UE - Simulation - Physics - Apr 7, 2025Overlay Materials are disabled when the Collision showflag is enabled. ...
GPU PCG node fails to cook if within Subgraph
UE - World Creation - Procedural Tools - PCG Graph - May 13, 2025When cooking a project that has a PCG graph with a subgraph containing a GPU node (Point Processor in the example provided), the cook fails with an illegal reference. However, the same GPU node used ...
Skeletal mesh to which the AnimationBudgetAllocator registered in the animation track is applied does not play the initial frame animation
UE - Anim - Runtime - Jun 10, 2025This issue occurs when “Auto Register with Budget Allocator” is enabled for the skeletal mesh. Unchecking “Auto Register with Budget Allocator” seems to resolve the issue. Adding the following to th ...
Bindless Textures in active use are able to be garbage collected
UE - Graphics Features - Jul 9, 2025It is possible for textures referenced in the bindless texture data assets that are actively used in materials being rendered in the active viewport to be garbage collected. This results in the mat ...