Unreal Engine Issues
Unreal Engine Issues
Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry
UE - Graphics Features - Jun 2, 2017Dynamic Light placed inside of a Dynamic Static Mesh doesn't pass through the geometry. The static mesh is not double-sided. User Description: It appears that in Unreal 4.16 one loses the ability ...
Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')
UE - Graphics Features - Feb 22, 2017This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:[Link Removed][Link Removed][Link Removed][Link Remo ...
Double Properties break reset to default and inherited value propagation
UE - Framework - LWC - Apr 13, 2022This is an issue with how FPropertyValueImpl::ResetToDefault works: it uses GetDefaultValueAsString to reset the default value. This is problematic because the LexToString function that is eventuall ...
SetCollisionProfileName and SetCollisionEnabled aren't working in Construction Script
UE - Simulation - Physics - Dec 5, 2019This is a regression from 4.22.3 (CL-7053642) where this setup executed as expected. Toggling Collision Profiles in 4.23.1 (CL-9631420) and onward do not affect the Static Mesh and it acts as if it ...
Major performance drop with instanced meshes since PhysX 3.4 upgrade
UE - Simulation - Physics - Mar 15, 2017Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...
Unable to create installed build with iOS support from PC
UE - Foundation - Core - May 3, 2017Attempting to build a local binary engine from a source engine will fail when iOS support is enabled in the setup process. Command line argument (ran from Engine/Build/BatchFiles folder location): ...
Crash when opening level that uses foliage with a deleted mesh
UE - World Creation - Worldbuilding Tools - Foliage - May 31, 2017This report was logged due to a high volume of submitted crash reports. It occurs when opening a level where a deleted mesh as being used as foliage. This is a regression. The crash does not occu ...
PhysicsBall BP not updating location with Collision volumes
UE - Simulation - Physics - Feb 2, 2017PhysicsBallBP is unable to teleport via a collision volume (with either SetActorLocation or Teleport node). Regression: Error is not present in 4.14.3 but is present in 4.15.P3 Console error descr ...
Light Function and Post Process domain material thumbnails show the default material
UE - Rendering - Architecture - Materials - Sep 25, 2026Since 5.8, materials whose Material Domain is Light Function or Post Process no longer preview correctly in the editor. They render as the default material (WorldGridMaterial) instead of the materia ...
DDC corruption creates incorrect pasted topology when using Landscape Copy / Paste Tool
UE - LD & Modeling - Terrain - Landscape - Apr 3, 2017I noticed that the copy and pasted section of the level was being painted while I was painting a nearby section of the level. This weird yellow color appeared and I undid and redid the paint to make ...