UVs are scaled drastically when importing from Solidworks

UE - Editor - Content Pipeline - Datasmith - Importer - Sep 28, 2018

UVs are scaled drastically when importing from Solidworks. When comparing it to an Engine Cube and adding a texture to it you can see the difference in UV scaling. The texture will need to scaled to ...

[Audio Modulation] - Ensure is thrown when attempting to modulate a Source Effect at runtime

UE - Audio - Modulation - Sep 6, 2023

Does *not* occur in editor. Only in standalone and runtime. Occurs when modulating Chorus or Bit Depth Also occurs in 5.2 and 5.3. I also noticed the test with this is supposed to set the chorus e ...

FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections

UE - Rendering Architecture - Materials - Apr 30, 2025

In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...

Monitor Directories does not auto import or re-import from network locations

UE - Editor - Content Pipeline - Import and Export - Nov 15, 2017

Monitor Directories feature in the editor preferences does not auto import or re-import from network locations. There is no issue if the location of the folder is local. This issue does not appear t ...

GoogleARCoreJavaHelper functions are not correctly exported publicly

UE - Platform - XR - Oct 31, 2018

The jni functions in GoogleARCoreAndroidHelper.cpp are not correctly exported, when we tried to build a Test project it failed with this exception:  java.lang.UnsatisfiedLinkError: No implementatio ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

UE - Foundation - Core - Sep 9, 2019

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...

Scale box affects all children in a parent container widget when setting User Specified Scale

UE - Editor - UI Systems - Jul 5, 2018

When a scale box is the the first child of a container widget, setting the user specified scale to 0 will affect all other widgets in the same parent container. ...

Niagara Parameters window resets when clicking in a Scratch Module

UE - Niagara - Nov 29, 2022

Regression: The UI for the Parameters window in a Niagara System is different from UE5/Release-5.0 to UE5/Release-5.1, so the issue cannot be replicated in Release-5.0 This issue occurs when going ...

Wrap function incorrect

UE - Gameplay - Blueprint - Nov 23, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Shooter Game: High Rise is rendering Red Artifacts in Reflections and AO

UE - Graphics Features - Jun 11, 2015

When running Shooter Game, Highrise map, there are red artifacts rendered in the boundary areas between AO and Reflections. This is a regression from 4.7.6. In 4.7.6 - [Image Removed] In 4.8.0, Li ...