Different CRC32 Results for Repeated Hashing of UStaticMesh

UE - Foundation - Jul 15, 2024

1. Download the Licensee repro, compile, and open:https://udn.unrealengine.com/s/contentdocument/069QP00000CdN7WYAV 2. Press the first hatched button on the top bar, next to the Platforms dropdown. ...

Dragging a custom event node to event graph that is bound via output pin to an event dispatcher crashes editor

UE - Gameplay - Blueprint - Aug 3, 2016

Editor crashes if a custom event function is called after a custom event has been bound to an event dispatcher. However, this only occurs if the event binding occurs from an event delegate by ref ou ...

Value of Mass In Kg is multiplying in value when clicked

UE - Simulation - Physics - Jul 27, 2017

When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...

Build fails due to potential divide by 0 error

UE - Graphics Features - Sep 29, 2017

Shipping builds of the Engine fail when using the Visual Studio 2017 compiler due to a potential divide by 0 error. This is because the TotalColumnSize property of SMemoryStats is set to 0 by defaul ...

Light leak on mesh when in shadowed area

UE - Graphics Features - Nov 8, 2017

When Cast Shadow and Self Shadow Only in the Lighting Section of the Details of a mesh, the light will randomly hit the mesh even though it is in a shaded area. Light appears to flicker and will com ...

Split screen causes rendering issues with lightshafts

UE - Graphics Features - Feb 21, 2018

There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...

Sequencer does not save asset variables in event struct

UE - Anim - Sequencer - Jul 31, 2018

When adding a struct to a keyframe, Object Reference variables are not saved and Soft Reference variables are saved sometimes. Opening a keyframe's properties when the selected struct has an object ...

AIController can't properly unpossess character

UE - AI - Nov 5, 2018

There seems to be a bug with the Possess\Unpossess events. Because if you change the last node in "PossessCharacter", which is created in PlayerController(called "PC"), to Unpossess the AI still con ...

Smart Nav Links created via Load Level Instance are broken, but Simple Nav Links are fine

UE - AI - May 20, 2019

Maps brought in via Load Level Instance that contain Nav Link Proxys configured to use the Smart Link instead of the Simple Link end up creating a link at the center of the world instead of their ac ...

Animation Montage Details Panel Closes When Attempting to Update Animation Segment Data

UE - Anim - Runtime - Apr 27, 2022

Occurs 5/5 times. Details panel in Animation Montage goes blank when fields (Start Time, End Time, Play Rate, Loop count) are clicked in to update data. This defect also occurs when clicking in th ...