Array references are not recognized in Blueprint

UE - Gameplay - Oct 12, 2020

Link to test project: [Link Removed] In BP_MyPlayerController event graph, “T” is bound to a Blueprint function called “BPSetMyArrayElement0To5”. “BPSetMyArrayElement0To5” calls the C++ function ...

Instigator is no longer automatically set when spawning actors from blueprint

UE - Gameplay - Blueprint - Aug 20, 2024

Actors that are spawned from blueprints will no longer have their instigator automatically set to the instigator that spawned them. This is a regression in 5.5, because in 5.4 and earlier a null Ins ...

FBX import freezes in DataPrep

UE - Editor - Content Pipeline - Visual Dataprep - Mar 3, 2025

FBX file import freezes UE while trying to import into DataPrep by the Interchange importer. The import will start, but then a message will pop up stating "Creating snapshot of world content ... " ...

Setup command not downloading GitDependencies on arm64 Mac

UE - Platform - Apple - Jul 26, 2023

When running setup command on an M1 arm64 mac the dependencies fail to download. This issue is occurring in Github //UE5/Release-5.3 @ CL 26560699 This issue is NOT occurring in Github //UE5/Rele ...

Certain options don't display in Context Sensitive search for Widget Blueprint until opening a regular Blueprint

UE - Gameplay - Blueprint Editor - Jan 3, 2023

Context Sensitive searches in Widget Blueprints is not working as expected in 5.1. I was able to reproduce this 4/4 times in 5.1, and confirmed that this issue is a regression as the search works as ...

Square Artifacts Appearing On Landscape Normals In Packaged Build

UE - Graphics Tools - Terrain - Oct 31, 2025

In packaged builds exclusively, a square pattern can appear in the Landscape geometry normals, aligning with the edges of the tiles. Visualizing the GBufferA does not show much, as the variation is ...

Unable to Edit Curve Names between 2 Different Animsets (if name of curve is the same)

OLD - Anim - Aug 13, 2015

If you create 3 curves in AnimSequence A and name them 1, 2 and 3 respectively, then create 3 curves in AnimSequence B and name them 4,5 and 6 respectively... In AnimSequence B you will not be able ...

LODs with screen size 0 in legacy assets are incorrectly converted to 1 on load

UE - Editor - Content Pipeline - Sep 11, 2025

When loading a mesh asset (static or skeletal) created in an old version of Unreal (e.g. 4.10), any LOD whose LOD screen size was originally set to 0, is converted to 1. This causes LODs that would ...

Physics Constraint no longer constrains components that are set to Query Only

UE - Gameplay - May 5, 2016

Physics Constraint no longer constrains conponents that are set to Query Only Regression from 4.11.2 User Description: Testing a 4.12 copy of my 4.11 project and when I tested in editor, all my ...

UMG: Drag-drop widgets get stuck at (0, 0)

UE - Editor - UI Systems - UMG - Nov 7, 2022

Reported on the dev forum, drag-drop widget is broken in the 5.1 Preview.https://forums.unrealengine.com/t/unreal-engine-5-1-preview/662523/221 Anyone else having problems with UUserWidget::SetPosi ...