Unreal Engine Issues
Unreal Engine Issues
Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.
A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...
Mover character flickers downward while crouched and moving every so often
UE - Runtime - Character - May 8, 2025Repro Rate 5/5 Packaged onWindows - 10 - Enterprise - L3864 Processor: AMD Ryzen Threadripper PRO 3975WX 32-Cores 3.50 GHz RAM: 128 GB GPU: NVIDIA GeForce RTX 3080 GPU Driver Version: 572.83 ...
Crash when ribbons use delayed spawn particle as source.
UE - Graphics Features - Dec 3, 2015User has found bug but has a working fix. Verify fix and implement in engine. ...
WASM HTML5 Runs out of Memory in Chrome versions 58+ on Windows
UE - Platform - Mobile - May 5, 2017We were seeing out-of-memory errors when launching on Chrome version 58 on Windows (both 32-bit and 64-bit). After some investigation, the root cause appears to be a regression introduced in Chrome ...
Import then cancel while file is read leads to potential crash
TM - Interoperability - Oct 6, 20251/ Import a file with mootools such as an fbx 2/ while the file is still read, cancel the import Result : may crash few times after (when theoretically the file has finished being read) - not repr ...
Noise Node used in UI Material is rendering Black
UE - Graphics Features - Feb 15, 2016The Noise Node when used in a UI Material is rendering completely black in 4.11. This is a Regression from Behavior in 4.10.2 It looks like the Noise Node (at least form the preview of the noise i ...
Set world or relative rotation on a child component sets the wrong rotation
UE - Gameplay - Blueprint - Aug 21, 2018Unexpected results from setting relative rotation on child of child in BP. Also confirmed in Main CL 4302610 "I have found that changing this code from RelativeRotationCache . RotatorToQuat (NewRe ...
'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1
UE - Gameplay - Jun 8, 2015'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1 Note: The issue isn't present with whole numbers (ex: 10 decremented by 1) ...
Moving assets in the Editor fails to fixup references causing the project to generate errors
Tools - Mar 30, 2020Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...
Using Virtual Texture Streaming checkbox in texture editor can break materials
UE - Graphics Features - Feb 24, 2021A texture can be toggled between virtual texture and regular texture using the Convert to virtual texture/regular texture tool in the texture asset context menu. This updates referencing materials t ...