World Outliner selection does not update transform widget location during play

Tools - May 23, 2017

World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...

Precision issues with 16-bit Skin Cache shaders.

UE - Rendering Architecture - Sep 2, 2025

A licensee reported precision issues with position in the gpu skin cache shaders with 16-bit real types enabled. ...

Texture Files imported from 16 bit sources cannot be exported

Tools - Mar 15, 2015

Textures files that are imported into the engine from 16 bit PNG files cannot be exported from the engine. Also Reproduced in Main Promotable-CL-2473270 ...

The order of Actors assigned to a Physics Constraint affects the simulation

UE - Simulation - Physics - Jun 8, 2018

The order in which actors are listed on a physics constraint affects the physics simulation. This should not make any difference in how the physics are simulated. Regression?: No This occurred in ...

Game Controller Input affects editor input fields

Tools - Jun 30, 2015

The joystick on a game controller input will take focus away from what you're working on if the joystick is moved or set in an odd position. ...

Light Propagation Volumes Not Affected by Emissive Area Light

UE - Graphics Features - Aug 1, 2018

The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...

SkyLight is not affecting the volumetric fog

UE - Graphics Features - Lumen - Nov 24, 2022

Looks like this behavior was working as expected until 5.1 Preview 2 ...

Support for 16-bit precision for positions in vertex buffer

UE - Graphics Features - Sep 7, 2018

Add support for 16-bit per component format for POSITION in vertex buffers as an option. Half-precision is already supported for UVs and TANGENTS on a per model basis, and was hoping that this woul ...

Append node appears to flicker when placing ~3 spaces in a pin

UE - Gameplay - Blueprint - Aug 22, 2016

Append node appears to flicker when placing ~3 spaces in a pin. The pin does not appear to be able to choose a size and so it flickers randomly between them ...

Copy/Paste a data asset fields cause the fields to affect each other

Tools - Jul 7, 2016

When an element of a data asset is copied into another field, the two fields become "linked" and further edits to one field begin to affect the other. ...