Unreal Engine Issues
Unreal Engine Issues
Translucent Materials no longer reflect light when using Forward Lighting variable
UE - Graphics Features - Jun 7, 2016Translucent materials are no longer showing light reflections in scene when using r.forwardlighting 1 with lights. This is a regression from functionality in 4.11.2. This no longer works with 4.12 ...
Packaged games do not display PlayerName correctly using Steam OSS
UE - Online - Jan 2, 2016Packaged games do not display PlayerName correctly using Steam OSS. Does not occur in Standalone. Test project attached. To test, package for Development > Win64. When run (with the Steam client op ...
Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam
UE - Gameplay - Jun 24, 2015Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...
Unexpected behavior occurs when the default elements of a TMap in an Actor Component are modified in an instance of a Blueprint containing that Actor Component
UE - Gameplay - Blueprint - Jan 17, 2017Adding an Actor Component that contains a TMap property to a Blueprint results in unexpected behavior when default elements of the TMap are modified in an instance of the Blueprint in the level:Addi ...
Particle Ribbon's do not work in packaged game
UE - Graphics Features - Apr 5, 2016When a particle system has a ribbon trail it will not render when viewed in a packaged game. Attached sample asset from Content Examples with Ribbon Trail. This issue did not occur in 4.10.4, bu ...
Hot reload causes placed actor to lose variable references
UE - Foundation - Cpp Tools - Hot Reload - Nov 9, 2017Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...
Collision filtering issue when multiple shapes on an actor
UE - Runtime - Simulation - Jul 22, 2022Collision filtering is producing unexpected results in certain setup. Objects are passing through one another when they are expected to collide. ...
Skeletal Mesh with Tessellated Material causes Excessive Blur
UE - Graphics Features - Nov 18, 2014With a Tessellated Material, either Flat or PN Triangles, applied to a Skeletal Mesh when playing, the Mesh has excessive blur when in motion. If you use the same material and turn off tessellation ...
Translucency area has stripe-style issue on TSR
UE - Graphics Features - Mar 28, 2024The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...
bDisableExposure Exposure bias on Mobile
UE - Platform - Mobile - Oct 12, 2018There is this new variable. bDisableExposure which is set true when Feature level isn't SM5. Exposure bias should be supported on other platforms too. PR: https://github.com/EpicGames/UnrealEngine/ ...