Unreal Engine Issues
Unreal Engine Issues
Trace Hit.Z varies strangely based on trace start/end Z
OLD - Anim - May 8, 2017The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...
Realtime Rendering toggle disabled after using Cloth Painting
UE - Simulation - Physics - Character - Jul 29, 2021After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...
Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface
Tools - Nov 30, 2017When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...
RecastNavMesh - Agent Height changes back to default value after project restart
UE - AI - Jan 16, 2018When trying to change the value of Agent Height under RecastNavMesh-Default it will change back to its default value when you open back up the project. ...
DefaultSceneRoot causes Get Actor Bounds to Return 128
UE - Gameplay - Jun 1, 2016When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...
Draw at desired size does not return to being false when unchecked
UE - Editor - UI Systems - Aug 4, 2017When setting "draw at desired size" for a widget component to true, the "Draw size" will no longer respond to input. ...
If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible
UE - Virtual Production - Tools - Jul 31, 2025If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...
Mouse dragging cursor accelerates significantly on Mac
Tools - Jan 18, 2017This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...
Set tracking origin has a 90 degree offset between Floor and Eye level
UE - Platform - XR - Jun 15, 2017Set tracking origin has a 90 degree offset between Floor and Eye level. When switching the Setting for the Set Tracking Origin Node from Floor level to Eye level, there appears to be a 90 degree dif ...
Changing a variable during simulate will cause physics object to jump around
UE - Simulation - Physics - Mar 16, 2016If a user has an actor that is simulating physics during simulation of play in the editor and they then change the value of a variable trough the details panel below the world outliner then the acto ...