Unreal Engine Issues
Unreal Engine Issues
The Perspective grid Z Fights with meshes placed in world (regression)
UE - Graphics Features - Jan 12, 2017The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...
Crash while trying to import a C4D file with Animation via Datasmith
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...
Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components
UE - Anim - Runtime - Jan 30, 2025This issue is caused by the backout in 38341618. The original code that went into 5.0 affects serialization by changing the UCS modified properties. When upgrading, the override is lost because th ...
iPadOS AR App Crashes when ARKit's "Use Scene Depth for Occlusion" is Enabled
UE - Platform - XR - Dec 13, 2024Does not crash in 5.4 on same hardware so looks like a regression. Attached Unreal logs indicate source of critical error: 'FARKitCameraOverlayMobilePS' shader uniform expression set mismatched sh ...
Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned
UE - Gameplay - Blueprint - Jan 25, 2016When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...
Physics are inconsistent between PIE and Standalone
UE - Simulation - Physics - Apr 16, 2015A user has found that they are seeing differences in how objects are affected by physics in Stand alone as apposed to PIE. While testing the amount of force applied to an object in the different pla ...
[CrashReport] UE4Editor_Landscape!ULandscapeInfo::UnregisterActor() [landscape.cpp:1856]
UE - LD & Modeling - Terrain - Landscape - Sep 21, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: LandscapeActor.I ...
Shadows of small movable components popping out
UE - Graphics Features - Jan 19, 2017This must be a regression ...
Certain Materials do not render on Destructible Meshes in Standalone and Packaged projects
UE - Content - Engine - Nov 10, 2017Certain Materials do not render on Destructible Meshes in Standalone and Packaged projects. I'm unsure of the exact cause but disabling "Used with Skeletal Mesh" in the materials Details panel, then ...
Planar Reflections do not respect SkyLight intensity
UE - Graphics Features - Nov 14, 2017Planar Reflection actor does not reflect the intensity change of the SkyLight. In attached images, the Intensity of the SkyLight is set to 2. The darker area on the right is affected by the Plana ...