Unreal Engine Issues
Unreal Engine Issues
Instance Static Mesh element not rendered if array element is removed and another is added
UE - Gameplay - Dec 5, 2017Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...
Static imported as skeletal removing material IDs with some FBX
Tools - May 27, 2016Static imported as skeletal removing material IDs with some FBX. This user's FBX files are, so far, the only ones that exhibit this behavior ...
Animgraph-Blend node-Alpha Scale Bias-larger values imprecise
OLD - Anim - Jan 21, 2015When setting the alpha scale bias for a blend node in the AnimGraph, if you set the values so that the difference is greater than 10, the values will not enter as whole numbers (see image.) ...
Android.NewKeyboard CVar doesn't work
UE - Platform - Mobile - Jun 1, 2017Android.NewKeyboard cvar doesn't behave as documented. ...
[AI] Fill Collision Underneath for Navmesh does not work for ISM instances
UE - AI - Navigation - Sep 29, 2023Although the ISM component allows for enabling the flag for Fill Collision Underneath for Navmesh, it does not add the modifier for this to the navigation data for its instances. ...
BP using nested child actor components in streaming level causes ensure condition failed
UE - Simulation - Core - Jul 11, 2022This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...
MakeMaterialAttributes and LandscapeLayerBlend produce unexcepted results for WorldPositionOffset
UE - Rendering - Architecture - Materials - Nov 8, 2021For comparison, this issue doesn't seem to occur when recreating the setup with Set Material Attributes/GetMaterialAttributes. It seems isolated to the Make/Break nodes. ...
UV Offset Effect Material in RetainerBox Causes Visual Artifacts in Editor Preview
UE - Editor - UI Systems - UMG - Apr 22, 2025When a UV Offset is applied in a RetainerBox effect material, visual artifacts appear only in the editor — not at runtime — if a widget with a dotted preview outline (like CanvasPanel) is placed dir ...
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) ...
Components defaults not updating on hot reload
UE - Gameplay - Blueprint - Apr 11, 2017Certain values, when changed in code, are not updated in a hot reload. For example, changing the Target Arm Length of a spring arm component will updated after hot reload, but changing the Scale do ...