Niagara Crash : ExportParticleDataToBlueprint module causes buffer overrun

UE - Rendering - Niagara - Aug 10, 2021

This buffer overrun is probably caused by the ExportParticleDataToBlueprint module does not respecting the GPUAllocation Fixed Size setting in the module. In fact, out-of-range export data is not c ...

DebugDrawHelper memory leak in editor

UE - Rendering - Aug 10, 2021

Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1

UE - Anim - Sequencer - Jul 28, 2021

There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...

Rendering from the Movie Render Queue at runtime while using the current level will fail, even when the levels match

UE - Anim - Sequencer - Jul 22, 2021

When Use Current Level is true, the MRQ tries to validate that the maps are the same, but this will fail when the maps actually do match.  The Use Current Level flag should allow the render to cont ...

Reset Orientation and Position node doesn't work with OpenXR enabled

UE - Platform - XR - Jul 20, 2021

When using the ResetVR input action to reset the orientation and position of the camera, the input doesn't respond when using the OpenXR plugin. When disabling the plugin and enabling SteamVR or Ocu ...

wire import crash on file generated by alias 2021.3

UE - Editor - Framework - Import and Export - Jul 20, 2021

Our company has updated Alias to 2021.3.1 and now Datasmith crashed when importing .wire files. Previously we had Alias 2019 and Alias 2021.1 installed. Now just Alias 2021.3.1 and then the issue be ...

Material of Skeletal Mesh does not render correctly when using multi-UV with ES3.1 and using Render Static

UE - Platform - Mobile - Jul 15, 2021

ES3.1 rendering does not render correctly when using TexCoord [1] in a material and RenderStatic on the SkeletalMeshComponent. ...

Crash when capturing attribute spreadsheet of Niagara GPU Particle with raytracing enabled

UE - Rendering - Niagara - Jul 8, 2021

Also, NiagaraDebugger crashes the moment I enable GPU Particle Readback. ...

Out-of-bounds read caused by improper return size from FSocketSteam::RecvFrom in Unreal Engine

Online - OSS - Steam - Jun 7, 2021

Overview: Function at fault: FSocketSteam::RecvFrom (https://github.com/EpicGames/UnrealEngine/blob/c3caf7b6bf12ae4c8e09b606f10a09776b4d1f38/Engine/Plugins/Online/OnlineSubsystemSteam/Source/Private/ ...