GPU PCG node fails to cook if within Subgraph

UE - World Creation - Procedural Tools - PCG Graph - May 13, 2025

When 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, 2025

This 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 - Rendering Architecture - RHI - Jul 9, 2025

It 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 ...

Area scattering defaults to 0.01 spacing when input is invalid

TM - Tools - Dec 18, 2025

If the user provides an invalid input for Area spacing (for example, using the hotkey 'R' to check the raytraced image), the spacing defaults to a value of 0.01m. Depending on the size of the Area s ...

Importing an FBX twice will cause a crash

UE - Platform - Linux - Apr 9, 2015

When importing an FBX into a project if the "Import" option is chosen rather than "Import All" then importing the same FBX a second time will cause the editor to crash. ...

Expand Node on a Function node deletes the Function node

UE - Gameplay - Blueprint - Mar 13, 2015

Expand Node on a Function node deletes the Function node. If the Function node is part of a group of nodes collapsed into a function, expanding that new function node will return all nodes except th ...

Changing the Texture Quality Settings to Low or Medium Changes Topography of Landscape

UE - Graphics Features - Mar 15, 2015

When changing the Texture Quality settings through the Engine Scalability settings within the main viewport, the topography/height map of the landscape changes. The user mentions he originally impo ...

Unable to Compile Actor Blueprint with Tilemap Component

UE - Gameplay - Paper2D - May 19, 2015

Unable to compile and edit the scale of a Tilemap Component as an Actor Blueprint after Importing a Tilemap and creating a Tile Map Asset within the content browser. There are also no details shown ...

Align Brush Vertices not adjusting BSP brushes in 4.7 Preview 4

UE - LD & Modeling - Modeling Tools - BSP - Jan 22, 2015

Align brush vertices does not function in 4.7 preview 4. ...

Tessellation used on BSP causes severe graphical glitches on AMD cards

UE - Graphics Features - Jun 3, 2015

Tessellation used on BSP causes severe graphical glitches on AMD Radeon 200 Series cards. The Licensee also mentioned it occurs on the Nvidea GTX 970 (not tested) ...