Unreal Engine Issues
Unreal Engine Issues
Unexpected vertex normal orientation when manipulating some morph targets
OLD - Anim - Jul 19, 2016Unexpected vertex normal orientation when manipulating some morph targets. This may be related to [Link Removed], but felt different enough to enter on it's own. ...
Blutility button not working after editing blueprint - need to reopen window
UE - Gameplay - Blueprint Editor - Feb 28, 2018Blutility buttons are broken if graph is edited while panel is open. User reported bug Video repro attached ...
Cannot package a Client version of a project in UFE when using VS 2017
Media Framework - May 16, 2018Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...
Incorrect values filled for nativized struct arrays when resized and packaged
UE - Gameplay - Jun 4, 2018When packaging a resized structure array it changes the array value to a large incorrect number. Testing the struct in PIE yields expected results. ...
Child Animation Blueprints Do Not Get Recompiled Correctly
UE - Gameplay - Jan 7, 2020The child of an animation blueprint is not properly recompiled when the it's parent is compiled. Found in 4.24.1 CL#10757647 ...
Importing camera FBX into subsequence loses focal length
UE - Anim - Sequencer - Mar 27, 2020Importing a camera FBX into a sub sequence will not copy focal length animation. ...
[MetaSounds][Ladder Filter] - Ladder Filter Produces Incorrect Output when the Sample Rate is not 48kHz
UE - Audio - MetaSounds - Oct 30, 2023When the Sample Rate of the Audio Mixer or device is not 48kHz, the Ladder Filter output is not correct on PIE. It is Silent at 20000Hz, and other frequencies also sound wrong. ...
[MetaSounds][Biquad Filter] - Biquad Filter Produces Incorrect Output when the Sample Rate is not 48kHz
UE - Audio - MetaSounds - Oct 30, 2023When the Sample Rate of the Audio Mixer or device is not 48kHz, the Biquad Filter output is not correct on PIE. It is Silent at 20000Hz, and other frequencies also sound wrong. See [Link Removed] ...
Natively declared Gameplay Tags aren't counted by Reference Viewer when set default by ctor
UE - Gameplay - Jul 11, 2024Similar to Issue 199247 ([Link Removed]), Natively declared Gameplay Tags aren't counted by Reference Viewer when used in a variable set in a C++ ctor. ...
Arrays in UMaterialEditorInstanceConstant are not updated
UE - Rendering Architecture - Materials - Jun 13, 2025Any UPROPERTY TArray added to UMaterialEditorInstanceConstant will not cause UI updates when elements are added or removed. This is caused by the custom validator created in FMaterialInstanceEditor ...