Unreal Engine Issues
Unreal Engine Issues
Select node pins can silently change type on reload and break a previous connection.
UE - Gameplay - Blueprint - Apr 12, 2017Same issue as in [Link Removed], only this is a different node implementation that attempts to replicate similar behavior. There are a couple differences in behavior here though; notably, that the c ...
[Review Tool] The editor crashes while attempting to load a modified Blueprint that uses Interface for review.
The crash is due to previous Rename operation, that reset a preallocated array which later FAsyncPackage2::ExecuteDeferredPostLoadLinkerLoadPackageExports tries to use. Before loading change list ...
EnhancedInput Chorded Actions do not work on higher priority mappings
UE - Gameplay - Input - Aug 21, 2023Reported from Prismatic: It appears that the Add Mapping Context function currently prioritizes low numbers over high numbers, which seems inconsistent with the function description and some parts ...
Reflection Captures permanently unload with world streaming
UE - Graphics Features - Jul 19, 2024When a reflection capture is unloaded due to streaming, it cannot be reloaded when the player returns to that area in the world because FReflectionCaptureData::OnDataUploadedToGPUFinal deletes the C ...
UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired
UE - Simulation - Visual - Sep 18, 2024UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...
Base Pass Instruction Count increases on Compile and Save, then resets upon reopening Material
UE - Graphics Features - Aug 24, 2015Material Base Pass Instruction Count will change from a value established when plugging in components pre-compile to a higher value on post compile, but when the material is reopened the count rever ...
Creating TArray of components does not allow component elements to be edited in blueprints
UE - Gameplay - Blueprint - Mar 8, 2016When an array is used to declare actor components, the component elements that make up the array cannot be edited inside blueprints. ...
FCanvasTriangle Item not accepting information from material Vertex Color
UE - Gameplay - Jul 15, 2015From a Draw Material Triangle you cannot use a Material calling vertex color and the provided Vertex Color Pins to yield color on the HUD drawn triangle. It will always appear White. [Image Remove ...
Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment
UE - Gameplay - Player Movement - Feb 13, 2024In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...
[CrashReport] UE4Editor_Landscape!FLandscapeComponentSceneProxy::DrawStaticElements() [landscaperender.cpp:1631]
UE - LD & Modeling - Terrain - Landscape - Nov 5, 2018User comments in crash group:Enabled Flat Tesselation on a Terrain Material.I saved the material. 1628 if (HasTessellationEnabled) 1629 { 1630 ***** UMaterialInstance* NonTess ...