Unreal Engine Issues
Unreal Engine Issues
ExponentialHeightFog is not rendering through VR
UE - Platform - Mobile - Mar 14, 2016ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...
Multi Sphere Trace is not returning the correct Impact Location
UE - Simulation - Physics - Jan 19, 2015Multi Sphere Trace is not returning the correct Impact Location. Other AnswerHub Report:https://answers.unrealengine.com/questions/30952/multisphere-trace-fhitresult-location-same-as-impa.html ...
Adding array element of instanced meshes during simulation does not increase amount of elements in array
UE - Gameplay - Blueprint - May 9, 2016Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...
Start up movies will only play for a second or two and then the level will load.
UE - Platform - Mobile - Oct 27, 2014If you place a mp4 file into the startup movies section of the Project Settings, the movie will only play for a brief time before the level loads. If you play the play the level with the startup m ...
Skeleton mesh with hair strands material will lead to unnecessary draw call submissions
UE - Graphics Features - Mar 27, 2025Materials with "Used With Hair Strands" enabled will cause Skeletal Meshes to draw twice in the Base Pass. ...
Landscape incorrectly renders when camera clips through foliage while Playing in Editor
UE - LD & Modeling - Terrain - Landscape - Dec 1, 2014Landscape sections disappear for a very brief time when the player camera clips through foliage quickly. ...
Crash and Performance issues when Generating Foliage using the Procedural Foliage Volume
UE - World Creation - Worldbuilding Tools - Foliage - Feb 14, 2017Users are reporting crashes and poor performance when generating foliage using the Experimental Procedural Foliage Volume tool. Regression? Yes, this does not occur in the previous engine version o ...
Lighting on Paper 2D Tile Maps is Broken
UE - Graphics Features - May 8, 2018In 4.18.3 this feature is working. In 4.19.2 the feature is broken. Per User: Half of the Lights Cone or Sphere will properly interact with the TileMap as intended, the other half will not for wha ...
Child Actor Component Actor Duplicates and Persists After Play
UE - Gameplay - Sep 26, 2019When an actor spawns another actor using AddChildActorComponent that comes alphabetically before it based on blueprint name it will spawn an extra actor that will persist when the scene is stopped d ...
FPS drop when deploying to a Mobile device
UE - Platform - Mobile - Feb 27, 2015The FPS drop off of this users project is significant between version of UE4. I tested this issue on a Samsung Galaxy Note 10.1 2014 edition. I also tested on a iPad air 2 on 8.1. There was a sig ...