Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings

UE - Gameplay - Apr 16, 2015

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...

ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac

Tools - May 3, 2019

The editor will freeze for seconds at a time when selecting between objects in the viewport after using ES3.1 preview on a Mac. ...

Morph target for SK_BoxMorph_1 exceeds 1.0, causes the sphere shape to bend inward

Docs - Samples - Jul 10, 2017

In Content Examples, the morph targets assigned to SK_Box_Morph_1 exceed 1.0. While it's not "wrong" for morphs to go beyond that, it doesn't seem like it's a great demonstration in the asset. Goi ...

Camera Shake Oscillation Duration no longer accepts -1 as indefinite

UE - Gameplay - Jul 30, 2015

The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...

MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually

OLD - Anim - Apr 3, 2015

MaterialCurve of AnimSequence is not working with LOD 1~ if assigned Material manually. Assigning material to LOD0 seems sharing material info with other LODs but material info is never shared if as ...

Particle AnimTrails do not render on Android with Mali chipset when using OpenGL ES 3.1

UE - Platform - Mobile - Nov 22, 2016

Particle AnimTrails are not rendering on Mali but will render on the Adreno when using the OpenGL ES 3.1. ES2 renders correctly on both devices, just ES 3.1 does not. The devices compared: Working ...

Setting Physics Blend Weight to anything between 0 and 1 causes erratic behavior

UE - Simulation - Physics - Jul 27, 2015

If the user simulates all bodies, and then sets the physics blend weight to a decimal value between 0 and 1, the skeletal meshes will spin out of control. This doesn't happen if the physics blend w ...

FBX sdk give wrong normals when compile with Visual Studio 17.4.1

UE - Editor - Content Pipeline - Import and Export - Nov 24, 2022

At the time this Jira is created, UE 5.1 and 5.2 is using VS 17.3.6 which is working correctly. any update after should repro the issue. ...

Material expression If node has been broken, major regression that shipped in 4.6

UE - Graphics Features - Dec 9, 2014

This sounds legit. Anyone mess with the if node recently? There seems to be a regression where existing content is broken. This should be fixed ASAP and patched into 4.6. https://forums.unrealen ...

Brush Clip Affects Surrounding Geometry Beyond the Geometry It Is Applied To

UE - LD & Modeling - Modeling Tools - BSP - Dec 2, 2016

Brush Clip affects the surrounding geometry beyond the geometry it is applied to. (*See attached image for clarification) Regression: No ...