Unreal Engine Issues
Unreal Engine Issues
PrimaryAsset reference in UserDefinedStruct default values gets nulled
UE - Framework - Blueprint - Mar 6, 2026Deleting a material layer from a stack, re-linking the layers, then deleting that layer again crashes the editor
UE - Graphics Features - Feb 5, 2021The important step here is to unlink the middle layer after first relinking everything. ...
Mobile Preview - Custom Stencil 4.23 Regression
UE - Platform - Mobile - Oct 25, 2019Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...
Skeleton mesh with hair strands material will lead to unnecessary draw call submissions
UE - Rendering - Features - Mar 27, 2025Materials with "Used With Hair Strands" enabled will cause Skeletal Meshes to draw twice in the Base Pass. ...
Plane Constraint Normal is not Properly Reset
UE - Simulation - Physics - Jan 26, 2016In the Character Movement Component, setting the Plane Constraint Normal to a value other than default, and then attempting to change the value back to the default does not revert to the default val ...
Screen Space Widget Component offset in Editor Viewport when using Windows Scaling
UE - Editor - UI Systems - Jul 23, 2018Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...
Math Expression Node produces error if it calls a variable located within a hidden variable category
UE - Gameplay - Blueprint - Jan 29, 2016The math expression node in blueprints does not recognize variables that have been hidden within a blueprint category. ...
Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart
UE - Gameplay - Blueprint - Sep 28, 2015Assigning a Parent Socket of a component in a child bp also changes that socket for all children and the parent, then resets to the parent default on restart Description: Yesterday i noticed that ...
[MetaSounds][Stereo Mixer] - When changing the gain on the Right channel dynamically, the output has clicks and pops
UE - Audio - MetaSounds - Mar 31, 2022When changing the right channel gain of the stereo mixer at runtime, it generates clicks and pops in the output. ...
Mobile Preview -> AutoLandscape Material broken if created in 4.22+
UE - Platform - Mobile - Oct 25, 2019Landscape Layers created in 4.22+ revert to default material in Mobile Preview. Confirmed in MAIN at CL 9730599 ...