UDN - "Update Navigation Automatically" turned off, does not prevent auto rebuild of sublevels after going in PIE

UE - AI - Mar 4, 2020

https://udn.unrealengine.com/questions/558782/view.html ...

Updating C++ projects with Marketplace plugins in 4.25.2 fails to build project

UE - Foundation - Cpp Tools - Plugin System - Jul 24, 2020

Projects created in previous engine versions fail to build in 4.25.2Running D:/Epic Games/UE_4.25/Engine/Binaries/DotNET/UnrealBuildTool.exe Development Win64 -Project="D:/Unreal Projects/MyProject4 ...

LocalHeightFog placed in 5.3 projects are invalid and not appearing when the project is updated to 5.4

UE - Graphics Features - May 24, 2024

LocalHeightFog actors placed in levels for 5.3 projects are invalid and not appearing in levels after the project is upgraded to 5.4. This is likely due to LocalHeightFog being renamed to LocalFogVo ...

Get HMD Worn State does not appear to working as expected for HTC Vive

UE - Platform - XR - Dec 3, 2018

The Get HMD worn State does not update the worn state when the headset is put on/taken off. Rather it only updates when the headset sleeps or wakes ups. This means that the headset can be taken off/ ...

UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update

UE - Gameplay - Blueprint - May 21, 2015

This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...

Bone LOD preview doesn't get update if change removed bones array directly in Skeletalmesh editor

OLD - Anim - Jan 12, 2017

Bone LOD preview should be correspond to the removed bones array changing The licencee wants to use same bones lod setup for those skeletalmeshes which are all sharing same skeleton via copying and ...

Switching focus to graph while updating event dispatcher tooltip in details view causes text to be reverted.

UE - Gameplay - Blueprint Editor - Dec 6, 2018

`TreeView->ClearSelection()` gets called before the text is set/committed. `FBlueprintDelegateActionDetails::GetDelegateProperty` which calls `SMyBlueprint::SelectionAsDelegate` requires the TreeVie ...

Vive - Motion Controller Component - Active Scene Capture causes 'Low Latency Update' lag

UE - Platform - XR - Sep 18, 2019

When a scene capture is active, attachment will lag behind parent. (Similar to [Link Removed] ) ...

If "Update Position Eash Frame" of "Skel Vert/Surf Location" is enabled, the particle continues to rotate.

UE - Niagara - May 25, 2020

It seems to have occurred since UE4.23, and the cause was the following part of "ParticleModules_Location.cpp".//From UE4.23 if (bOrientMeshEmitters) { //We have the mesh oriented to the normal o ...