Misspellings in Material_Properties level of ContentExamples

Docs - Samples - Jan 18, 2017

In the Material_Properties level of ContentExamples, separate is misspelled in demo display 1.6 and tessellation is misspelled in demo display 1.8. ...

Crash when using "Convert to Seeded" on a Cascade Module

UE - Graphics Features - May 2, 2016

Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...

Physics Assets do not show Z (Blue) axis swing graphic.

UE - Simulation - Physics - Sep 13, 2016

4.13 Physics Asset graphics shown for swing settings in Physics Assets doesn't show for Z (blue) axis. Regression from 3039270 (4.12.5 Release), found in 3106830 (4.13 Release). ...

Chaos: geometry collection with One Way Interaction never breaks from its own collisions

UE - Runtime - Simulation - Aug 21, 2026

A geometry collection with One Way Interaction Level set to 0 never breaks from its own collisions. It falls, lands, and stays intact no matter what it hits. Set the level to -1 (feature off) and ch ...

[CrashReport] UE4Editor_MeshPaintMode!FPaintModePainter::FinishPaintingTexture() [paintmodepainter.cpp:1671]

Tools - Sep 14, 2017

This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 1660 { 1661 FScope ...

Cannot change Collision Responses once component is custom selected from scene

UE - Gameplay - Dec 27, 2016

Cannot change Collision Response channel once component is custom selected from scene. This is only an issue if the component is selected by first selecting the actor in the world (scene), then sele ...

Destructibles using Form Extended structures with rigid body collision gives wrong hit result

UE - Simulation - Physics - Destruction - Jan 7, 2015

DESCRIPTION: When using form extended structure with DMs that are hit by a rigid body the resulting hit does not reflect the correct actor if they are both using form extended. If a DM without form ...

Changing transform variable value of actor blueprint does not update child actor component using the set actor

UE - Gameplay - Blueprint - Dec 2, 2016

If an actor blueprint contains a Transform variable, setting that blueprint as the child actor component (CAC) of another blueprint / blueprint instance then updating the transform variable in the o ...

Direct Capsule Shadows with Point Lights also project shadow on opposite side and direction

UE - Graphics Features - Dec 14, 2016

When using a Direct Capsule Shadows on a skeletal mesh with a Stationary Point light, depending on the point lights placement, light source radius, and nearby surfaces will cast the shadow on the op ...

Crash when using "Convert to Variable Curve"

OLD - Anim - Jun 7, 2016

Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 7 8 DECLARE_CYCLE_STAT(TEXT("AnimSeq EvalCurveData"), STAT_AnimSeq_EvalCurv ...