Unreal Engine Issues
Unreal Engine Issues
Crash when using ConstructorHelpers on Niagara assets
UE - Niagara - Apr 10, 2019When using the ConstructorHelpers templated function, FObjectFinder, with Niagara assets, the editor crashes. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5660361), 4.23 (CL - 5806860) ...
Disabling fog in Unlit mode does not work
UE - Graphics Features - Jun 11, 2019The Show Flags for Fog no longer function correctly when in Unlit mode. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...
UGameplayAbility::ConfirmTaskByInstanceName() has incorrect code comment
UE - Gameplay - Apr 22, 2020UGameplayAbility::ConfirmTaskByInstanceName() has an incorrect code comment that was copied and pasted from UGameplayAbility::CancelAbility(). The comment for UGameplayAbility::ConfirmTaskByInstance ...
UV Rotation does not work for video materials
TM - Rendering - Dec 9, 2024The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...
UGameUserSettings::ValidateSettings fails to wipe GameUserSettings.ini
UE - Framework - Mar 4, 2025When changing the version in UGameUserSettings, the expected behaviour is that GameUserSettings.ini will be wiped/delete and then regenerated. The actual behaviour is that within the ValidateSetting ...
FFunctionalTestingModule::GetMapTests does not support World partition
UE - World Creation - Worldbuilding Tools - World Partition - Mar 15, 2022BeginPlay has inconsistent behavior
Tools - Feb 23, 2015Certain calls made on Begin Play do not function as expected. Users expect BeginPlay to be called when the game is loaded/playable EX: Using GetViewportSize on begin play will return 0 for X and Y ...
Inaccurate updates to root widget visibility binding
UE - Editor - UI Systems - Apr 6, 2017Inaccurate updates to root widget visibility binding, so far in my testing, this does not affect the functionality of the binding. Regression: affects 4.13.2, 4.14.3, 4.15.1 binary versions ...
Fbx Importer crash if answering no to the incompatible skeleton dialog
Tools - Apr 11, 2017Quote from the licensee (FbxSkeletalMeshImport.cpp inside "// merge bones to the selected skeleton"): this happens because in UnFbx::FFbxImporter::SetupAnimationDataFromMesh, the function FindFBXMe ...
Cascade drag and drop and scaling changes based on docked location with high DPI
UE - Niagara - May 11, 2018Scaling for Cascade changes when different particle effects become docked or un-docked to different windows. Drag and drop functionality is also skewed, as the module moves further than your mouse d ...