MakeMaterialAttributes and LandscapeLayerBlend produce unexcepted results for WorldPositionOffset

UE - Rendering Architecture - Materials - Nov 8, 2021

For comparison, this issue doesn't seem to occur when recreating the setup with Set Material Attributes/GetMaterialAttributes. It seems isolated to the Make/Break nodes. ...

Vector Field Initial Rotation will always have the same initial rotations for each emitter instance

UE - Niagara - Nov 11, 2019

The Vector Field Initial rotation module will have the same rotation for all instances of the same emitter. This is a regression from 4.22. ...

SIGSEGV: invalid attempt to access memory at address 0x3

UE - Platform - Apple - Jan 30, 2015

Crash Report: [Link Removed] ...

Crashes upon project start up

Tools - Feb 10, 2015

Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...

Animgraph-Blend node-Alpha Scale Bias-larger values imprecise

OLD - Anim - Jan 21, 2015

When setting the alpha scale bias for a blend node in the AnimGraph, if you set the values so that the difference is greater than 10, the values will not enter as whole numbers (see image.) ...

WMR native plugin trigger axis not working

UE - Platform - XR - Nov 19, 2018

We are testing the new Windows Mixed Reality native support and have found that the trigger mapping to a button is working, but the trigger mapping to an axis is not, i.e. the event MotionController ...

Rounding errors are present in FJsonValue::TryGetNumber(int64&) and FMath::RoundHalfFromZero()

UE - Foundation - Core - Mar 8, 2019

A licensee reported a bug in rounding of a call to FJsonValue::TryGetNumber(int64&) with large values.  In investigating this, it appears that equivalent problems also exist in FMath:: rounding func ...

Landscape holes retain collision if Mip level changed to 1

UE - LD & Modeling - Terrain - Landscape - May 19, 2015

Landscape holes have collision if the mip level of the landscape is changed from 0 to 1. ...

Hierarchical instanced static mesh LOD is not consistent between eyes

UE - Platform - XR - Apr 7, 2017

User reports that the issue fixed for ODIN-6308 still occurs for InstancedStaticMeshes. ...

Content Browser filters don't save their state

UE - Editor - Workflow Systems - Dec 16, 2022

Content Browser filters don't save their state anymore. This is a regression from 5.0 ...