Unreal Engine Issues
Unreal Engine Issues
Set Haptics By Value node does not consistently trigger successive haptic feedback effects on Oculus Touch
UE - Platform - XR - Jul 16, 2016Relatively consistently (3/5), after one haptic effect plays, pressing the button to call another won't trigger another haptic effect. Seems to be tied to Set Haptics by Value, Play Haptic Effect d ...
Editor crash when opening Project Settings on Linux
UE - Platform - Linux - Mar 29, 2017When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...
OnHit not firing when capsule collider passes onto very close and same height mesh
UE - Simulation - Physics - Sep 10, 2019When a capsule collider passes from the top of one piece of geometry to another that is very close the OnHit event doesn't fire. I have attached a project that demonstrates the issue in 4.23. A vid ...
Crash when using "Convert to Seeded" on a Cascade Module
UE - Graphics Features - May 2, 2016Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...
Instances In a Hierarchical Instance Static Mesh Component Don't Retain PerInstanceRandom Values When Rotated
UE - Graphics Features - Dec 9, 2019When an instance in a Hierarchical Instance Static Mesh component is rotated using "Update Instance Transform" it doesn't retain it's material's base color value when the material uses PerInstanceRa ...
Mesh Renders in Main Pass if Both "Render CustomDepth Pass" & "Render in Depth Pass" Are Enabled, While "Render In Main Pass" is Disabled
UE - Rendering - Graphics Features - Dec 25, 2019Meshes set to not render in the Main Pass still does if both "Render CustomDepth Pass" & "Render in Depth Pass" are enabled, while "Render in Main Pass" is disabled. Attached is an example project. ...
Enabling World Composition Skips Intro Movies
Tools - Jun 24, 2016Startup movies are skipped when World Composition is enabled. Even with the 'Wait for Movies to Complete' option enabled, the startup movie plays for a very short time, and then the level is loaded ...
Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box
UE - AI Workflows - UI Systems - Slate - Jan 31, 2020Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...
Missing material maps on user library objects created in TM 2022
TM - Core - Apr 23, 2025Reported by user in SF [Link Removed] User library assets created in TM 2022.2.3 or older will not contain texture maps for their materials when the .tmi file is added to the TM 2025.1.1 User Libra ...
Painted Instanced Foliage Actors Rendering Multiple LOD's Simultaneously
UE - World Creation - Worldbuilding Tools - Foliage - Sep 1, 2015When using a mesh as an Instanced Foliage Actor the Levels of Detail are always rendered. The user reporting this issue mentions he needs to use extreme different LOD value ranges for screen size wi ...