Assert when toggling RHIThread

UE - Rendering Architecture - RHI - Oct 12, 2023

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

UE - Rendering Architecture - Mar 4, 2024

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

Crash when playing NiagaraSystem with mesh renderer in CPUSim with Compress Attributes enabled when stompmalloc is enabled

UE - Niagara - Jul 16, 2024

Crashes when playing Niagara particles with the following conditions enabled. It crashes only when stompmalloc is enabled, not when disabled. Enable Ray tracingEnable Compress Attributes in System P ...

K2Node_GetEnumeratorName doesn't support bitmasks

UE - Framework - Blueprint Compiler - Jan 29, 2025

This is almost identical to [Link Removed]. The difference is that we need a variant of UEnum::GetNameByValue that supports bitmasks. We'll likely have to run this by Core. ...

Physics object with collision box detects multiple begin/end overlap events even when specific collision channel is utilized.

UE - Simulation - Physics - Mar 23, 2015

If a blueprint has a physics object and a collision box, the box will register overlap begin/end events multiple times, even if the collision is set to only overlap with specific collision channels ...

Editor Crashes on Nvidia GT 630M

Tools - Nov 6, 2014

Editor Crashes on startup when using an NVidia GT 630M graphics card ...

Cannot Import Sound File with Duration Less Than 1 Second

UE - Audio - May 29, 2015

Unable to import a sound file shorter than 1 second in length. The two sound files attached are the same sound, but one has been extended to at least 1 second long and successfully imports. ...

Lit Translucency Receiving Shadows with Forward Shading Enabled

UE - Graphics Features - Aug 13, 2018

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

IOS-Shipping memory managentment failed for std::string

UE - Platform - Mobile - Oct 8, 2018

[Image Removed] [Image Removed] [Image Removed] if strip with -x option, it will fix this issue. ...

Linux Vulkan editor crashes OOM on older graphics cards

UE - Graphics Features - Oct 19, 2018

Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...