Unreal Engine Issues
Unreal Engine Issues
NDC Sorting Incorrect
UE - Niagara - Rendering - Mar 12, 2026Using the new NDC BP nodes in 5.7 causes sorting to break; one system, regardless of world placement, is always drawn over the other. Even when the viewpoint puts the dominant system in the foregrou ...
JsonObjectToUStruct removes _ClassName from input FJsonObject, breaking repeated deserialization
UE - Foundation - Mar 18, 2026FJsonObjectConverter::JsonObjectToUStruct removes _ClassName from nested JSON objects during deserialization. Removing Obj->RemoveField(ObjectClassNameKey) from ConvertScalarJsonValueToFPropertyWit ...
Code Projects with Substance plugin enabled fail to convert from 4.10 to 4.11
Tools - Mar 30, 2016Converting a 4.10 project that includes the Substance Plugin to 4.11 will fail to compile. Workaround: Disabling / removing references to the plugin will allow the project to convert successfully. ...
Objects do not Scale relative to their Temporary Pivot Point (Alt+MMB Click)
Tools - Mar 19, 2015After temporarily moving the pivot point (Alt+Middle Mouse Click on the center of the translate tool), you can switch to scale. However, the object still scales from it's original (permanent) pivot ...
Expanding a folder in the Finder through the editor will crash the editor
UE - Platform - Apple - Mar 16, 2015Expanding a folder in the Finder through the editor will crash the editor. Reproduced in 4.7.2 binary on 10.9.5 Crash Report: [Link Removed] ...
Custom Component class does not show up in Add Component list
UE - Gameplay - Blueprint - Mar 5, 2015Creating a code component class and marking the UCLASS() macro with meta=(BlueprintSpawnableComponent) does not allow the component to be used inside blueprints. Workaround: Adding ClassGroup=( [Gr ...
Auto Exposure causes artifacting in the right eye of the oculus
UE - Platform - XR - Feb 23, 2016If the user uses Exposure Bias on pp volume the right eye will have a section that appears different causing a line. ...
LIVE: Multi Line Editable Text BOx in UMG does not wrap text to a new line
UE - Editor - UI Systems - Oct 24, 2014When setting up a UMG HUD system, the Multi Line Editable Text box component will accept text, but all text entered is on a single line with a horizontal scroll bar rather than wrapping to a new lin ...
called custom functions do not update parameter names upon compile, must be replaced
UE - Gameplay - Blueprint - Apr 21, 2015Parameter names do not update on custom functions that are already called in event graph after compiling blueprint. ...
UMG Textblock with no font drops FPS by ~30
UE - Editor - UI Systems - Feb 21, 2015FPS drops in PIE when a widget is called that has text with no font selected. ...