Unreal Engine Issues
Unreal Engine Issues
UE4Editor modules file is not written to properly when packaging a plugin
UE - Foundation - Cpp Tools - Plugin System - Apr 8, 2019The modules file that is generated when packaging a plugin appends a number to the end of the .dll reference, similar to hot reload modules. This causes the reference to refer to a nonexistent file. ...
Color picker does not change the color of a Vector Parameter in a Material Instance until the mouse button is released
UE - Graphics Features - Mar 11, 2020This is a regression from 4.23.1 (CL-9631420). The color picker does not update in realtime anymore when holding down the left-mouse button. Only on mouse-release does it update. This was reported ...
[Groom] Very thin hair has incorrect raytraced shadow on edges
UE - Graphics Features - Lumen - Jun 8, 2020This only happens when 1) Hair Width is very small. e.g. 0.01 in the example 2) Light has raytraced shadow and Samples Per Pixel has a value > 1. e.g. 8 in the example The problem seems to be rel ...
Volumetric Clouds appear in front of foreground objects in the Right Eye of VR Headsets
UE - Platform - XR - Dec 15, 2021It seems that volumetric clouds in the background appear in front of objects in the foreground in the right eye of a VR headset. I also tested in //UE4/Release-4.26 @ CL 15973114 and the results wer ...
Text to Speech does not work in Play in Editor
UE - Audio - Aug 18, 2022This is not a regression as the TTS plugin isn't available in 4.27.2. Text to Speech does not work in Play in Editor, but does work in Stand Alone. A warning is thrown:LogSlateStyle: Warning: Unab ...
Custom Water Body does not work with its own Distance Culing
UE - Graphics Tools - Terrain - Water - Sep 14, 2023WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume. It only can be controlled by the CullingD ...
Sky Atmosphere Material Nodes not Correctly Represented in the Surface Cache for Nanite Enabled Static Meshes
UE - Graphics Features - Apr 1, 2025When nanite is enabled on a static mesh, lighting contributions from Sky Atmosphere material nodes are not incident on the static mesh and no longer present in the overall lighting of the scene. Th ...
Editor crashes when opening several marketplace assets - Assertion failed: !HasAnyFlags
UE - Gameplay - Blueprint - Jun 22, 2016Editor crashes while attempting to open several marketplace assets. Allar's Generic Shooter Defuse Studios RTS Template JCInventory Frequency: 5/5 Regression (yes) issue (does not) occur in 4.11 ...
Spin box delta does not show update values correctly
UE - Editor - UI Systems - Dec 29, 2014When setting the Spin box delta to 1 and the slider exponent to 1 the value of the spine box should go up by 1s. However, the actual value is still retains decimal points and is rounded to show whol ...
Creating and loading 1001+ instances of level crashes editor
UE - Editor - UI Systems - Localization - Aug 2, 2016Creating and loading 1001+ instances of level crashes editor. Frequency: 4/4 Crashreporter: [Link Removed] Regression (yes) issue (does not) occur in 4.11.2 Notes While not reproduced internall ...