Unreal Engine Issues
Unreal Engine Issues
Masked areas render as black if material uses any virtual texture
UE - Graphics Features - Jun 9, 2021Masked materials that sample virtual texture don't function correctly. They render black instead of masked. This happens when there is no depth pre pass enabled. Automatically enabling depth pre p ...
Movie Scene Capture - DX12 Render Artifacts and Delay
UE - Rendering - Architecture - RHI - Jun 19, 2023If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts. However, the delay and artifacts do not appear when using ...
Debug display of TargetingSelectionTask_AOE with cylinder is unnaturally tilted
UE - Gameplay - Gameplay Ability System - Oct 30, 2024The following code fixes the tilt : void UTargetingSelectionTask_AOE::DebugDrawBoundingVolume(const FTargetingRequestHandle& TargetingHandle, const FColor& Color, const FOverlapDatum* OverlapDatum) ...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Graphics Tools - Modeling Tools - Jan 15, 2025Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...
GLTFExporter indexing issue
UE - Editor - Content Pipeline - glTF - May 29, 2025Hi, I also ran into an issue when exporting a skeletal mesh that has multiple sections that all share the same material slot. It looks like the index buffer that's constructed is incorrect. In GLTF ...
Ensures in ChaosExamples_fracture map in ChaosDestructionDemo
UE - Simulation - Physics - Destruction - Jun 4, 2019Ensures trigger when playing in the ChaosExamples_fracture map in the ChaosDestructionDemo project. The ensures seem to happen during different parts. A couple occurrences were when I triggered th ...
Execute Console Command r.SetRes Fullscreen breaks Dynamic Skylights when tied to Event BeginPlay
UE - Graphics Features - Apr 6, 2017Using the Execute Console Command 'r.SetRes 1920x1080f' directly with an Event BeginPlay node within blueprints, any Stationary/Movable Skylighting information is no longer visible. A simple workar ...
[CrashReport] UE4Editor_Engine!UEdGraphPin::Modify() [edgraphpin.cpp:619]
UE - Gameplay - Blueprint - Aug 29, 2017This is an infrequent crash coming out of the 4.17 release. User DescriptionsNICE PIN FIX NOW I CANT ADD VARIABLES NORMALLY Source Context 612 void UEdGraphPin::SerializeAsOwningNode(FArch ...
Nativizing actor does not destroy component with construction script.
UE - Gameplay - Blueprint Compiler - Nov 19, 2018Running destroy component with construction script placed on level blueprint does not destroy component when it is nativized. It works correctly with PIE and Not Nativize. Also, if the actor that wa ...
Replication issues & warnings if a client hitches while the server seamless travels
UE - Networking - Jul 28, 2020If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...