Manually changing the value for Constraint Value 1 & 2 causes odd visual issues

UE - Simulation - Physics - Jun 1, 2016

Changing the values that govern what bones a constraint is suppose to be a joint between (Constraint Bone 1 & 2) will cause issues where the transform widget is moved to an appropriate location but ...

Debugging Motion Matching in 5.1, looping animations don't loop root correctly

UE - Anim - Gameplay - Jan 31, 2023

Just trying a few simple animations in 5.1, I have a few short looping cycle animation that go in different directions. I see very bad results and it looks like it's because of how MM is assuming th ...

Open Sound Control Blueprint Plugin stops working around 1 minute during play

UE - Audio - Jun 3, 2020

Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1

UE - LD & Modeling - Terrain - Landscape - Sep 12, 2016

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1. NOTE If Forced LOD is set to 0, the component renders correctly. ...

Meshes made with the Pivot Painter tool don't work correctly on OpenGL ES3.1 + AEP

UE - Platform - Mobile - Dec 1, 2015

In the project attached in original UDN post (too big to attach here) there is a tree that was created with the pivot painter tool that is animated. In the editor it behaves correctly, but trying t ...

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse

UE - Editor - UI Systems - May 12, 2017

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

UE - Anim - Rigging - Control Rig - Apr 16, 2024

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...

Shader Complexity does not function properly with Android ES2 or ES3.1 set as the Preview Rendering level

UE - Platform - Mobile - Feb 25, 2019

A user has reported that Shader Complexity is not working properly in 4.21 with the Android ES2 or 3.1 preview rendering level settings. Regression?: No It did not look this way in 4.21 and prior v ...

Post process in Right eye misaligned on PSVR when using vr.PixelDensity greater then 1

UE - Platform - XR - Sep 5, 2019

When changing the pixel density for PSVR it appears that some post processes shift slightly in the Right eye ...

The size of packaged projects in 4.7 preview 8 is almost double that of the same project in 4.6.1

UE - Gameplay - Feb 17, 2015

Packaged projects in 4.7 preview 8 are significantly larger than the same projects in 4.6. Packaged projects for comparison: \\epicgames.net\root\contractors\Tim.Lincoln\Packaged Projects ...