Unreal Engine Issues

Visualization View Mode Shader Complexity when in Mobile Preview Vulkan with MMV will crash the editor

World Position is incorrect when used to control the opacity mask in a nanite spline mesh

When calculating the opacity mask, Nanite spline meshes do not have the correct World Position in the Material. This leads to visual artifacts when the mask relies on the world position. ...

First Person Primitive

First Person Scale and First Person Field of View on camera components do not apply to the depth prepass when rendering First Person View meshes, leading to a mismatch between the depth pre-pass and ...

Level Actors that are converted to a Blueprint using "Convert Selection to Blueprint Class" and using "Harvest Components" as the CreatingMethod, does not sanitize dots (.) character and make them invalid for operations like StaticFindObject.

When Level Actors are converted into a Blueprint using the "Convert Selection to Blueprint Class" option with "Harvest Components" as the creation method, the conversion process does not sanitize do ...

AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts

When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...

Missing Triangles on scaled MetaHuman assets with Nanite enabled

Additional information: only happens when all three conditions are true: the camera is very close to the character, the MH is Nanite, and a scaled mocap animation is appliedmaterial is opaque, shows ...

5.5.3 insights crashes when opening .utrace files with "RenderCommands,RDG,RHICommands" channels.

The customer provided reproduction steps and a trace file that crashes Insights. From the customer: manually placing if (!CurrentGraph) Unknown macro: { return; } nullchecks in RenderGraphInsi ...

Global Invalidation causes CommonAnimatedSwitcher to flicker after animation completes

The common animated switcher will currently flicker for one frame when its transition animation completes if global invalidation is enabled. This appears to be caused by a visibility change (HitTest ...

Regression: Crash when saving the level blueprint of a world-partition map containing any node with an unconnected input pin of type "Gameplay Attribute Structure"

In UE 5.5, when the user attempts to save the level blueprint of a world-partition map, the Editor crashes if the BP contains any node with an input pin of type "Gameplay Attribute Structure", as lo ...

Synthetic benchmark is affected by Scalability Settings

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...