Dithered LOD Transition does not work on some mobile devices

UE - Platform - Mobile - Aug 27, 2019

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...

UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision

UE - Simulation - Physics - Apr 20, 2020

Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...

ARCore: Camera does not function in ARDebugCheck app

UE - Platform - XR - Mar 14, 2022

The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...

[Interchange][FBX] Fail to import attributes animation curves with key values as integer

UE - Editor - Content Pipeline - Import and Export - Jan 13, 2025

cf[-https://forums.unrealengine.com/t/5-5-not-able-to-import-animation-curves-since-5-3-5-5/2267442/4-] Be carefull there is 2 bugs reported on that Forum and I think they are not related. The firs ...

Physics object set to OverlapAll will still collide with the player

UE - Gameplay - Aug 24, 2015

Physics object set to OverlapAll will still collide with the player User Description: The pawn is simply colliding with and causing physics on objects it shouldn't be. To replicate: Set up a new ...

Creating a plugin in a C++ project opens a second instance of Visual Studio

UE - Foundation - Cpp Tools - Plugin System - May 15, 2017

Note If creating the project outside of Binary, build the project in VS, but do not close it. When creating a new plugin, the editor compiles the project and opens in Visual Studio. If the project ...

Building UE4Game fails during the build phase while packaging on Linux

UE - Platform - Linux - May 19, 2017

This is happening only for Blueprint template projects. After I hit the issue on the BP project, I went back and tried a Code template project as well. I was NOT able to reproduce this with a Code t ...

[CrashReport] UE4Editor_PropertyEditor!TSharedPtr<IPropertyUtilities,0>::ToSharedRef() [sharedpointer.h:794]

Tools - Dec 6, 2017

Top Crash in 4.18 release Comment from User: "Picking a color for my shader" Source Context:// NOTE: The following is an Unreal extension to standard shared_ptr behavior 788 FORCEINLINE ...

Second controller input doesn't work in fullscreen mode on PIE.

UE - Editor - UI Systems - Jun 29, 2020

When two controllers connected, player2 input is disabled in full screen mode in PIE. This doesn't appear to be in focus. If seeing the any focusing widget, player1 focused on SViewport, but player ...

Delay does not tick when game is paused

UE - Gameplay - Blueprint - Jan 4, 2021

Delay nodes no longer fire within a paused actor even if that actor has been set to 'Tick Even when Paused' Removing the delay node from the equation allows the print node to continue firing while ...