Z order in based on the position in the Hierarchy is reversed in 4.9

UE - Editor - UI Systems - Oct 13, 2015

The Z order that is given to a widget based on it's position in the Hierarchy panel in 4.9 goes from bottom of the hierarchy to the top (The bottom widget is the front most widget) instead of the to ...

SetActorLocation does not affect WheeledVehicles

UE - Simulation - Physics - Sep 21, 2015

When using SetActorPosition() on a WheeledVehicle, it does not affect it in any way. This worked previously in 4.8. This has also been tested in main CL# 2698791 This may be related with: https:// ...

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# ...

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. ...

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, ...

With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye

UE - Platform - XR - Jul 8, 2016

KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...

Movie Render Queue does not render letterboxes to exports with sensor aspect ratios between 16:9 and 1:1

UE - Anim - Sequencer - Jul 28, 2021

There is a discrepancy between how Movie Scene Capture (Legacy) and Movie Render Queue handle letterboxing for sensor aspect ratio's that do not match the export resolution, which seems to be a bug ...