Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate

UE - Graphics Features - Ray Tracing - Jan 31, 2025

A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements  File: Engine\Source\Runtime\Renderer\ ...

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale

UE - Simulation - Core - Nov 22, 2024

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...

[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2305]

UE - Gameplay - Jan 24, 2018

Comments from users:I was simply syncing my project with the git repository at the end of it, it crashed with this errorperforce resync ...

StaticMesh->RenderData->LODResources[0].IndexBuffer empty in Standalone games.

UE - Gameplay - Nov 14, 2014

GetArrayView is returning incorrect values in Standalone games. The correct values are returned when played in Editor. ...

[CrashReport] UE4Editor_Kismet!FBlueprintEditorToolbar::GetStatusImage() [sblueprinteditortoolbar.cpp:669]

UE - Gameplay - Blueprint Editor - Aug 15, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided descriptions of their actions when the crash occurred. Source Context 658 switch (Status) 659 { ...

Crash on Check Always Create Physics State on Simulated Skeletal Mesh

UE - Gameplay - Components - Jun 25, 2015

When you place a Skeletal Mesh using a Simulated Physics Asset into a Blueprint, check Always create a Physics State and Save BP, crash. [Link Removed] Also reproduced in Main Promotable-CL-259954 ...

Error packaging Android after disabling Vulkan Support

UE - Platform - Mobile - Jan 3, 2023

Regression: Tested in UE5/Release-5.0, this issue does not occur and is a regression. This issue occurs when packaging for Android ASTC, ETC2, and DXT. Packaging with Support Vulkan enabled results ...

Creating new objects inside ForEachObjectWithOuter may cause the bucket of the iterated outer to be read-locked permanently

UE - Foundation - Feb 8, 2022

Not a Regression. Tested in: //UE5/Release-5.0 CL 18747223 Source-GitHub //UE4/Release-4.27 CL 18319896 Binary User Description: "The crash test code is located at Source/HashBucketLockedBug/Pr ...

Renaming a Blueprint interface asset doesn't update the ImplementedInterfaces list in the Blueprint editor's Class Settings tab

UE - Framework - Blueprint Editor - Nov 13, 2023

There is no UI refresh for the Implemented Interfaces list in the Blueprint editor UI after a Blueprint Interface asset is renamed in the Content Drawer. Consequently, the interface cannot be remove ...

Compiling a grandchild Blueprint via automated test can lead to crash

UE - Gameplay - Blueprint Compiler - Feb 10, 2020

The crash doesn't happen if the blueprints are loaded ahead of the test by opening them, or if you compile all of them in the same test run. ...