Level Instance: failed check in duplication code when embedding

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 2, 2021

Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted.  ...

The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,

UE - Editor - UI Systems - Slate - Nov 26, 2021

When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...

Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered

UE - Graphics Features - Apr 5, 2022

Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered. ...

NDisplay hangs and stops responding on cluster event send

UE - Virtual Production - nDisplay - Nov 12, 2019

"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...

Sequencer based Camera Shake throws an assertion when spammed

UE - Anim - Sequencer - Apr 7, 2022

Activating a Sequencer based Camera Shake repetitively results in an assertion being thrown. Assertion failed: DestAllocationIndex != SourceAllocationIndex [File:D:\build\++UE5\Sync\Engine\Source\R ...

Building Nanite on a Landscape with Visibility Mask multiple times gives an Assert

UE - Graphics Tools - Terrain - Landscape - Aug 28, 2023

Repro Rate 15/25 Regression set to Yes as this was not found on //UE5/Release-5.2 CL 26001984 Binary Building Nanite with a Landscape that has a material including Landscape Visibility Mask still ...

[MRQ] Deleting all jobs after rendering queue with executor causes an assertion to fail.

UE - Anim - Sequencer - MRQ - Apr 18, 2022

Deleting all jobs after rendering queue with executor causes an assertion to fail. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 by utilizing a For Each Loop and Delete Job node ...

User-instanced subobjects owned by a streaming sublevel's Blueprint CDO cannot be garbage collected with the owning world after the sublevel has been reloaded in the editor.

UE - Gameplay - Blueprint - Feb 5, 2020

Strong object reference properties of an 'EditInline'-decorated UCLASS type embedded within a native C++ struct definition can be instanced at edit time by the user as part of a variable's default v ...

Arrays of user-defined structs are not initialized properly in a nativized Blueprint class.

UE - Gameplay - Blueprint - Feb 28, 2018

New elements are not being initialized properly when setting up the default value for arrays of user-defined structures in nativized Blueprint C++ constructor code. ...