Unreal Engine Issues
Unreal Engine Issues
When using a SpeedTree asset, a Zero Triangles warning appears
Tools - Nov 25, 2019When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...
Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug
UE - Foundation - Feb 28, 2025In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...
Scaling skeletal mesh components breaks capsule shadows
UE - Graphics Features - May 18, 2016Increasing the scale of a skeletal mesh actor with Capsule Shadows set to true causes the shadow to appear chunky and broken. Regression (No), feature was not present in 4.10.4. ...
Crash when using Vertex painter with material including cubemap texture sampler
OLD - Anim - Jul 3, 2017Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...
Regression: Shader compile failure with SceneDepth in mobile and PC, ES3_1
UE - Platform - Mobile - Nov 30, 2018SceneTexture:SceneDepth node is not properly compiled in ES3_1. Regression? yes, It is working in 4.20.3 launcher version. This log come up with compile failure LogMaterial: Display: Missing cache ...
Custom Water Body does not work with its own Distance Culing
UE - Graphics Tools - Terrain - Water - Sep 14, 2023WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume. It only can be controlled by the CullingD ...
HDRi Backdrop Animation in Sequencer
UE - Anim - Sequencer - Apr 5, 2024HDRIBackdrop objects cannot be rotated in Sequencer. This issue can be resolved by setting the "Run Construction Script in Sequencer" checkbox to True in the "HDRIBackdrop" blueprint. If HDRI Back ...
The speed and delay of Animators is increased in exports when the scene contains 3D Grass
TM - Rendering - Jul 23, 2025Reported in SF [Link Removed] For animators (translators and rotators), when the scene contains the 3D Grass materials, videos exported from the scene will display animators delay and speed up abou ...
"Enable Texture Streaming" in Render Movie Settings doesn't seem to work
UE - Anim - Sequencer - May 18, 2016"Enable Texture Streaming" in Render Movie Settings doesn't Enable/Disable Texture Streaming ...
Max Deviation setting is never used for Mesh Reduction, causes incorrect values for automatically computed LOD distances
UE - Graphics Features - Feb 1, 2018The Max Deviation setting for a static mesh LOD is never used for Mesh Reduction. This results in incorrect values for automatically computed LOD distances, because the calculation uses the Max Devi ...