Unreal Engine Issues
Unreal Engine Issues
Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash
UE - Graphics Features - Nov 14, 2016When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...
Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game
UE - Graphics Features - Oct 12, 2016If you set the project to use a fixed frame rate, particle collision no longer works. ...
Landscape No Longer Renders when Setting Max Desired Draw Distance Above 0
UE - World Creation - Worldbuilding Tools - World Composition - Jul 1, 2019Landscapes no longer renders when setting max desired draw distance above 0. Found in 4.21 CL# 4753647, 4.22 CL# 7053647, 4.23 CL# 7208101. 4.24 CL# 7210422 ...
Material editor crash in 5.0.2
UE - Rendering Architecture - Materials - Sep 2, 2022Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0
UE - Graphics Features - Nanite - Dec 14, 2023Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...
Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0
Docs - Samples - Aug 8, 2017Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...
Build Error when using ENUM without 0 entry
UE - Foundation - Cpp Tools - UnrealHeaderTool - Nov 26, 2019Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
"Fix root motion initial rotation handling" commit breaks root motion completely
OLD - Anim - Dec 18, 2014Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...
BlendSpace DeltaTimeRecord.Delta can incorrectly be set to zero
UE - Anim - Runtime - Apr 19, 2024It's possible for blendspaces to end up with an invalid delta time record because of how UBlendSpace::TickAssetPlayer modifies the time record. This only seems to happen with specific settings:Axis ...