Unreal Engine Issues
Unreal Engine Issues
Function input Bool loses checked value when updating from 4.16 to 4.17
UE - Gameplay - Blueprint Editor - Oct 17, 2017Licensee reported that when updating from 4.16.1 to 4.17.2 the value of a function input Boolean is being reset. It is checked as True in 4.16, but when switching to 4.17, it is no longer checked. ( ...
Converting BSP to static mesh on Linux causes the editor to crash
UE - Platform - Linux - Mar 11, 2016Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...
[CrashReport] UE4Editor_Kismet!FBlueprintGraphArgumentLayout::OnArgNameChange()
UE - Gameplay - Blueprint Editor - Jul 19, 2017This is a common crash affecting users in 4.16 and has been occurring since at least 4.14 affecting more than 300 unique users. User Descriptionsi made a macro called IsolateYaw and set the input t ...
UConsole HistoryBuffer no longer writing to disk in packaged builds
UE - CoreTech - Sep 7, 2023We started running into issues with the console history not saving after upgrading to 5.2.1. The console history (as in the commands last input into the in-game console) is no longer being saved bet ...
Arrays chosen through a Select node cannot be altered
UE - Gameplay - Blueprint - Jun 3, 2015Arrays chosen through a Select node cannot be altered. Note - This is also reproducible using any of these nodes instead of using 'Add':Add UniqueSet Array ElemInsert ...
Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values"
Tools - Jun 14, 2015Selecting a text field that is displaying "Multiple Values" will rewrite all values for all selected entities to "Multiple Values". Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2 ...
Widget Flickering Observed in RetainerBox with Incorrect LayerId
UE - Editor - UI Systems - UMG - Nov 19, 2024Setting the Phase Count of a RetainerBox to 2 or more may cause other widgets within the same UserWidget to flicker. Upon investigation, we found that during frames where the flickering occurs, the ...
Particle Lights do not honor Lighting Channel assignments
UE - Niagara - Jul 15, 2016Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, n ...
Set Morph Target not being sent to children of Inherited Mesh
OLD - Anim - Sep 4, 2015In previous versions of UE4, Set Morph target to call the Inherited Mesh and would result in any children of the Inherited Mesh that shared that morph target name to morph. In UE4.9 this no longer ...
Lightmass GI doesn't work with Material-based color changes
UE - Graphics Features - Sep 4, 2015A licensee is having trouble getting the visual results they want because Lightmass doesn't seem to handle color changes from materials. They are seeing this in 2 cases: (See attached images and tes ...