Unreal Engine Issues
Unreal Engine Issues
UE5.4 Regression - crash when disabling shader optimization while raytracing is enabled on D3D12
UE - Rendering - Architecture - Shaders - Jul 15, 2024Certain interactions between a Rect Light with a Light Function and a Post-Process volume lead to a check() when compiling a Ray Tracing PSO for tracing lights. This check() only happens when shader ...
Viewport stuttering during orbit/zoom navigation
UE - Rendering - Graphics Features - Dec 17, 2025Received a report of persistent stutters in the editor when trying to navigate in the viewport, including asset editor viewports like the Skeletal mesh editor and control rig editor. Hardware used ...
Setting the brush type of a custom volume BP causes the editor to crash
Tools - Nov 17, 2014Setting the brush shape of the root component for a custom volume BP causes the editor to immediately crash. ...
LIVE: A Local Variable cannot have its type changed if another local variable with the same name in a different function is in use
UE - Gameplay - Blueprint - Nov 6, 2014Two local variables with the same name in two different functions still interact with each other in some way. This was reported in TTP 346132 and fixed in that case, but currently if a local variabl ...
Undo when modifying a single channel causes Entire Actor track to be selected
UE - Anim - Sequencer - Jul 6, 2016Undo when modifying a single channel causes Entire Actor track to be selected. This is problematic when you're trying to modify just the X, Y, or Z channel in the Graph Editor. ...
Destroying a Component doesn't trigger the OnComponentEndOverlap node
UE - Gameplay - Sep 1, 2015Destroying a Component doesn't trigger the OnComponentEndOverlap node User Description: OK, so I have an actor with only one component: BoxCollision, with default settings. I place it on map. In m ...
Error when attempting to generate an SSH key for remote building
Tools - Oct 7, 2016Error is displayed when attempting to generate an SSH key.Unexpected remote arg: [email protected]:.ssh/RemoteToolChainPrivate.key rsync error: syntax or usage error (code 1) at /home/lapo/packa ...
Mouse is captured when starting PiE, but PiE viewport is not focused
Tools - Mar 29, 2016Enviroment: Windows 7 Professional SP1 64-bit Intel(R) Xeon(R) CPU E5-2643 v3 @ 3.40GHz 64GB Ram NVidia GTX 980 (Driver version: 364.51 ) DirectX 11 Behavior in 4.10: The mouse is not captured/focu ...
Attaching capsule to Root component triggers VS Break on PIE
UE - Foundation - Core - Feb 13, 2015When a capsule is attached to an actor Root Component followed by playing in editor through VS debug mode there is a breakpoint triggered in VS upon pressing PIE. Continuing through the break allow ...
[Mac] [Preview] Texture nodes do not clip behind parts outside of the graph editor until the node is completely obfuscated
UE - Platform - Apple - Mar 10, 2016When using the Material editor, the preview slides on the texture nodes do not clip behind the other elements of the UI as the nodes do. This issue only occurs on Mac OSX El Capitan version. It was ...