Delay nodes occasionally don't fire the "Completed" output in a nativized build.

UE - Gameplay - Blueprint - Jun 13, 2018

This happens when the 32-bit LatentUUID signed integer that we generate for the delay node starts with "-1" when converted to an FString (e.g. "-1824950080"). During compilation, we pack latent fun ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:492]

UE - Rendering Architecture - RHI - Mar 29, 2019

Callstack is garbage past D3D12 calls but logging for visibility. Generated from CrashReporter ...

Crash when spawning multiple HISM at runtime in a packaged shipping build

UE - World Creation - Worldbuilding Tools - HLOD - Feb 25, 2021

When adding multiple Hierarchical Instanced Static Meshes on a loop and packaging the project in Shipping configuration the application crashes due to LowLevelFatalError [Link Removed] [Line: 1431] ...

Blueprint Actors' Static Meshes disappear after Building Level

UE - Gameplay - Blueprint - Nov 23, 2022

Reproduced 3/3 times. Was not able to reproduce in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...

Get Instances Overlapping Box node does not pick up overlapped instances

UE - World Creation - Worldbuilding Tools - Foliage - Aug 9, 2016

Get Instances Overlapping Box node does not recognize instanced meshes overlapping the box. The bounds of the box make no difference, nor does having the box test for instances within the same bluep ...

Fix center of mass calculations with welding.

UE - Simulation - Physics - Aug 25, 2016

Welding components uses precomputed weights for to determine center of mass for the actor. This can cause problems when users want to specify custom weights for certain components. ...

Reimport for a single FBX with multiple meshes will add all mesh pieces instead of the single mesh.

Tools - Nov 21, 2016

When using a single FBX with multiple meshes that is imported as individual meshes, if you reimport after updating only a single mesh or a few of them the entirety of FBX will be imported and added ...

TimeRemaining doesn't work when animation has a negative play rate

OLD - Anim - Feb 16, 2017

TimeRemaining doesn't work when animation has a negative play rate ...

[CrashReport] UE4Editor_InputCore!FKey::FKey()

UE - Editor - UI Systems - Slate - Nov 1, 2017

This is a trending crash coming out of the 4.18 release. It may be a regression as there are no records of it occurring in 4.17. Users have not provided any descriptions of their actions when the c ...

Cannot package a Client version of a project in UFE when using VS 2017

Media Framework - May 16, 2018

Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...