Unreal Engine Issues
Unreal Engine Issues
Physics enabled Child Actor components that spawn with with a delay, always spawns at world origin
UE - Gameplay - Jun 3, 2016Physics enabled Child Actor components that spawn with with a delay, always spawns at world origin **This is a regression. It was working in 4.11.2 Could also be related to: [Link Removed] User D ...
Ray traced shadows appear even after the mesh is hidden
UE - Graphics Features - Lumen - Oct 13, 2020bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...
Trace complex for assets simulating physics does not show accurate collision
UE - Gameplay - Apr 27, 2015When using Trace Complex in a LineTraceByChannel node does not give accurate results when object is simulating physics and scaled. The scaled root mesh in the BP will only register its collision rat ...
Setting blueprint name as a copied blueprint node crashes editor
UE - Editor - UI Systems - Slate - Jun 1, 2016Setting blueprint name as a copied blueprint node crashes editor Frequency 5/5 Crashreporter [Link Removed] Regression (no) issue (does) occur in 4.10.4 ...
Copy/paste of multiple components does not preserve component names or attachment hierarchy
OLD - Enterprise - Mar 9, 2016Copy/pasting scene components between blueprints loses: 1. The component name. 2. The parent/child hierarchy. It keeps the offsets, which is helpful. [image: Inline image 1] ...
Scene Capture 2D Generates Artifacts with Orthographic Projection of Nanite Mesh on Plane
UE - Graphics Features - Nanite - Apr 5, 2022Occurs 5/5 times: The Scene Capture 2D camera displays artifacts when the projection is set to Orthographic and a nanite mesh is projected on the Scene Capture 2D plane. ...
[CrashReport] Crash on Linux - FShaderCompilingManager::LaunchWorker()
UE - Graphics Features - Jul 14, 2017This is a common crash affecting users on Linux. No additional information is available. ...
Add Submix Effect Blueprint Does Not Have Any Effect
UE - Audio - Dec 11, 2020Adding a second effect to the Submix Effect Chain on a Submix works as expected, but when trying to add a Submix Effect via Blueprint, there is no effect. This also applies to "Add Master Submix Ef ...
A chaos vehicle that moves at very high speeds with CCD enabled on the vehicle sometimes has a collision response that is abnormal where the vehicle loses a significant amount of speed when colliding with dynamic objects configured as One Way Interaction
UE - Simulation - Gameplay - Dec 16, 2025Context: Continuous Collision Detection (CCD) is being used on a Chaos Vehicle to avoid tunneling issues with certain surfaces as it prevents any missed collisions between fast moving particles and ...
Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale
UE - Simulation - Core - Nov 22, 2024Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...