Unreal Engine Issues
Unreal Engine Issues
Launching to HTML5 creates an 'uncaught exception: out of memory'.
UE - Platform - Mobile - Oct 7, 2016After updating Binary to the latest CL to bypass the HTML5 issues of 3149070, I ran into an HTML5 issue. Launching onto HTML5 Firefox opens a new window with the message 'uncaught exception: out of ...
Static Mesh 's Light Map Coordinate Index set to 4 and execute a light build, the result will be incorrect.
UE - Graphics Features - Oct 1, 2018Light Map Resolution is set to a small value (4 or 8), it will build normally. ...
Inventor Assembly imports incomplete or missing geometry
UE - Editor - Content Pipeline - Datasmith - Importer - May 22, 2020It seems that UE4 has a problem with importing Inventor Assemblies and Subassemblies. Files are either the wrong orientation or missing their geometry completely. This was reported and tested in 4 ...
bUseAsOccluder not taking effect when prepass is disabled
UE - Rendering - Architecture - May 25, 2021See the licensee discussion for details discussed with [Link Removed] ...
Thin Translucent materials opaque with FS lighting mode and Output velocities active
UE - Rendering - Architecture - Materials - Nov 15, 2021Im not 100% sure this is a combination of settings that "should" work anyway, but need someone to have a look.Thin TranslucencyOutput velocities during base passForward Shading lighting modeProject ...
Nanite Displacement Bounds Mismatch Causes Floating Terrain Artifacts on Landscape
UE - Rendering - Graphics Features - Nanite - Mar 19, 2026Summary When Nanite Tessellation (Nanite Displacement) is enabled on a Landscape in UE 5.7.3, scaling the Displacement value via Multiply nodes in the material graph causes floating terrain ghost a ...
Blank project do not show steamvr motion controller and is not working.
UE - Platform - XR - Dec 18, 2019VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...
Build All Levels fails with duplicate level instances
UE - World Creation - Worldbuilding Tools - Level Instances - Jan 24, 2024Log list console command shows duplicated category entries
UE - Foundation - Core - Oct 19, 2016"log list" console command outputs log categories - a licensee reported they see duplicated category entries in 4.13. (e.g. logFileCache, logHMD, logHUD) Actually 4.11 and 4.12 had duplicated entri ...
Small seams in a rescaled Landscape between all the Landscape Components
UE - Graphics Tools - Terrain - Landscape - Jan 18, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Small seams in a rescaled Landscape between all the Landscape Components. This only happens when scaling specifically to this value. ...