Unreal Engine Issues
Unreal Engine Issues
Cable Actor becoming stiff when bound to two dynamic objects
UE - Simulation - Core - Jun 1, 2023the cable actor does not dynamically deform when the cable actor's parent mesh moves. Instead, the cable actor becomes rigid between the meshes it's bound between. This bug does not occur in the fo ...
Crash Occurs When Attempting to Pass a Struct Containing an int64 into a Blueprint Function
UE - Gameplay - Blueprint - Feb 17, 2016Attempting to pass a struct containing a variable of a type that is not compatible with blueprints into a blueprint function causes the editor to crash upon PIE. Found in 4.10.2 binary. Reproduced ...
Packaged size of project is double its size when packaging for Shipping Windows (32 bit)
UE - Foundation - Core - Mar 9, 2015When you package a project in 4.6.1 for Windows (32 bit) shipping, the file size is around 160 MB. When you package a sample project in 4.7.2, the packaged size will be around 345 MB. [Link Remove ...
Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
Linux Native Toolchain depends on libninfo5 which is not bundled
UE - Platform - Linux - Sep 6, 2019libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...
Sub Surface Shading Model has Strange Blotch Color Artifacts when Used with a Ambient Cubemap
UE - Graphics Features - Sep 23, 2019Sub surface shading model has strange blotch color artifacts when used with ambient cubemap. Since the subsurface profile shading model can't be used with ambient cubemap I wanted to use the regular ...
Incorrect physics interaction on rotated meshes using Complex as Simple collision
OLD - Anim - Feb 13, 2017Incorrect physics interaction on rotated meshes using Complex as Simple collision. *This is a regression Working in 4.13.2-3172292 Not working in 4.14.3-3249277* User Description: When we updat ...
Crash copying a Static Meshes primitive collision member and pasting it on another element
Tools - Jul 24, 2017Crash copying a Static Meshes primitive collision member and pasting it on another element. The pasted element seems to need at least 2 members for the crash to occur. User description: Editor Cr ...
Interchange framework is bypassed on the second attempt after a failed import
UE - Editor - Content Pipeline - Import and Export - Jul 14, 2025Hello! We have encountered a bug with the Interchange pipeline. When an interchange texture import is cancelled due to non-power of 2, and then the same texture is imported again without any change ...
"Always Center Window to Screen" No Longer Functioning in New Editor Window (PIE)
Tools - Dec 11, 2015Regression: In UE4.10, the border that now occurs around New Editor Window causes window to extend beyond native screen resolution designated in Editor Preferences causing the window to 1) Not be ce ...