Unreal Engine Issues
Unreal Engine Issues
Crash compiling Widget Blueprints that contain Dynamic Entry Boxes with their Entry Widget Class set to each other
UE - Editor - UI Systems - Jun 10, 2020Currently the Dynamic Entry Box has no protection against recursion, leading to a stack overflow and a crash. This issue was reported and tested in 4.25 (CL-13144385). This was reproduced in 4.24.3 ...
Flickering artifacts are rendered when using Sky Atmosphere Component with Vulkan
UE - Rendering Architecture - RHI - Jul 16, 2020Rendering the SkyAtmopshere component using Vulkan with and without Vulkan (SM5) enabled causes artifacts to appear on screen on Windows and Linux. This was reported and tested in 4.25.1 (CL-135 ...
In Isometric Staggered and Hexagonal Staggered Projection Modes redundant rectangle is rendered
UE - Gameplay - Paper2D - Sep 25, 2020About issue:Similarly issue also can be seen in Isometric Staggered projection modeSuch issue does not occurs in Orthogonal and Isometric Diamond projection modesIn viewport in UE4Editor this redund ...
Nodes to the right of an Abort Both node in a Behavior Tree appears to still receive a tick
UE - AI - BehaviorTree - Feb 6, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Behavior Tree appears to tick nodes to the right of an aborted node that is set to abort Both. Those nodes are not executed, but visuall ...
EditorCube added to the scene with a Geometry Script will have reversed normals
UE - Graphics Tools - Modeling Tools - GeometryScripting - May 31, 2023The work around is to use the modeling mode normal tool to regenerate normals. This appears to mainly occur on any cubes added by the "Copy Mesh from Static Mesh" Regression tested in 5.0.3 at CL 2 ...
Non-edit layers landscape don't work adequately with Nanite landscape while painting
UE - Graphics Tools - Terrain - Landscape - Oct 24, 2023Result : while displaying the Nanite version of the landscape, the paint layers behave erratically (see video : [Link Removed]) If rebuilding the Nanite data, the bug gets fixed until the user sta ...
Logic error in TRange::Difference causes crash when you Trim and Preserve Left/Right and unbounded Attach section in the sequencer
UE - Anim - Sequencer - Aug 1, 2024TRange::Difference function does not handle bounds correctly, causes crash in the sequencer when "Trim And Preserve Left/Right" is used in the user's example project. User provided a potential fix: ...
MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution
UE - Graphics Features - Sep 14, 2016When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...
Project Crashes with Warning: LightPropagationVolume.dll is Missing From Your Computer
UE - Graphics Features - Mar 23, 2016After disabling LightPropagationVolume in Plugins Editor, upon restart editor issues warning message 3 times and crashes, leaving project unable to be opened. REGRESSION: This does not occur in UE ...
Calling functions that have an implicit WorldContextObject parameter in a Blueprint function library will give a compile error about a missing __WorldContext pin
UE - Gameplay - Blueprint - May 21, 2015Calling functions that have an implicit WorldContextObject parameter (line trace, execute console command, etc) in a Blueprint function library will give a compile error about a missing __WorldConte ...