Unreal Engine Issues
Unreal Engine Issues
UV Flipping Mode Causes Stretching of Particles
UE - Niagara - Nov 17, 2017If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...
Crash When Assigning a Static Mesh to the "Sample Static Mesh" Module
UE - Niagara - Jun 28, 2018When assigning a static mesh to the "Sample Static Mesh" module, the engine will crash as soon as you select a mesh and click "Fix Now". If the mesh already has CPU access enabled it will crash as s ...
Edits of node properties that are not stored on pins do not diff correctly
UE - Gameplay - Blueprint Editor - Oct 2, 2015Currently details changes to the following are not noticed by the Diff tool when diffing AnimBPs:State Machines (i.e. Max transitions per frame)Transition rulesConduitsStates This also affects non- ...
Quixel Bridge opens as a blank window when opening through the UE Main toolbar on Intel Mac
UE - Platform - Apple - Sep 14, 2023Regression unconfirmed because this is a new feature. This is not a regression for UE. Tested in //UE5/Release-5.3 CL28051148. Update: When attempting to reproduce on Apple Silicon, Bridge opens ...
Using UMG on iOS devices are not displaying with the correct resolution and scaling
UE - Editor - UI Systems - Mar 18, 2015When testing UMG on an iOS device, the UMG is not rendering correctly ot the device. The UMG components seem to over lap each other. Photos of the expected outcome vs the outcome seen have been at ...
"Combine Meshes" Breaks Material Slot Assignment
Tools - Jan 18, 2017When importing an FBX with several different meshes and multiple materials with "Combine Meshes" enabled the materials will get assigned to incorrect portions of the mesh. I've included a version o ...
Packaging with Code Editor plugin crashes and then fails to build
UE - Foundation - Cpp Tools - Plugin System - Jun 18, 2015Packaging with the [experimental] Code Editor plugin enabled causes a crash during the packaging process in 4.8 source. The crash does not kill the editor, project can recover by choosing for Window ...
The Child Actor Component cannot be selected in the Blueprint Editor Viewport
UE - Gameplay - Jun 8, 2015The Child Actor Component cannot be selected in the Blueprint Editor Viewport. Selecting the Child Actor Component in the Components tab is the only way to select the component. Reproduced in 4.7.6 ...
Crash after network disconnection/pulling network cable
UE - Networking - Jul 11, 2019A very unfortunate bug shipped in 4.22 that causes a crash in many cases when a client is disconnected from the network, such as when unplugging the network cable. This will be a cert failure on con ...
Landscape Layer Blend generates bad code for preview shader
UE - LD & Modeling - Terrain - Landscape - Sep 23, 2019It breaks only when compiling the preview shader. Adding a preview weight to the Layer0 on the Layer Blend node fixes the problem. The source of the bug is in UMaterialExpressionLandscapeLayerBlend ...