Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor

UE - Simulation - Physics - Feb 20, 2018

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...

Dynamic Obstacle Blueprint components do not correctly affect navmesh in standalone mode

UE - AI - Jul 21, 2015

Static mesh components of blueprints with "Is Dynamic Obstacle" set to true do not correctly affect navigation when standalone mode is initially run. Once another object is moved and the navmesh is ...

VOIP Steam recieved audio will be affected by any Audio FX the player is standing in when receiving the audio.

UE - Audio - Sep 16, 2016

If the player is standing in an area that adjusted audio, VOIP audio will also be affected. ...

Unlit view is affected by Exposure Compensation when enabled by post process volume

UE - Graphics Features - Jun 7, 2018

Unlit view is affected by Exposure Compensation when enabled by post process volume. This will also carry across the other debug views.  Working as expected in 4.18 CL# 3832480 Found in  4.19 CL# ...

Noticeable Difference In Temporal AA Sharpness From 4.12 To 4.13

UE - Graphics Features - Oct 17, 2016

There seems to be a noticeable difference with the temporal AA sharpness in 4.13. This was confirmed by setting Temporal Sample count and sharpness with the same settings in a 4.12 project. A side b ...

Crash when applying Radial force to a BSP when Radial force is set to affect World static

UE - Simulation - Physics - Apr 10, 2019

If a radial force component applies force to a BSP the editor will crash. The radial force will need to be set to affect world static objects. ...

World Delta seconds appears to Cause a miss calculation (regression 4.12.3 -> 4.12.4)

UE - Gameplay - Jul 1, 2016

If the user uses world delta seconds in a calculation there appears to be some incorrect values. Note there is also a users project attached if you would like to look at that example. ...

Point lights affect indirect lighting on RTGI much less than other types of lights

UE - Graphics Features - Lumen - Aug 4, 2020

Only point lights affect indirect lighting on RTGI much less than other types of lights.[Link Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Link Removed] Apparently, ...

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam

OLD - Anim - Jun 6, 2016

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...

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 ...