QAGame projectile collisions are not working

UE - Simulation - Physics - Jul 3, 2017

I was not able to repro this with template projects in //UE4/Release-4.17. I was not able to repro the lack of collision to the same static mesh I shot at if I tried to run into it. That is why I me ...

The result of the Attach target change operation using AttackTrack's ContextMenu varies depending on the flow

UE - Anim - Sequencer - Jul 6, 2018

At present AttackTrack's context menu has three patterns of Attach target change flowChange constraintBindingIDUse ExsitBindingUse NewBinding However, 1 and 3 can correctly change the target, but t ...

Daydream "Quit Game" node returns to homescreen of device instead of Daydream VR home

UE - Platform - XR - Feb 14, 2019

Google App store rejects UE4 apps with the response: "App switches to a 2-dimensional view unexpectedly When in VR, your app should never display any 2D images. For more information and examples, p ...

SceneCaptureComponent2D leaks a ton of memory in a Packaged Build

UE - Virtual Production - Mar 12, 2020

This was initially reported in VR but the leak happens in a non-VR setup and environment. GPU utilization jumps to 84% in 4.23.1 and 98%+ in 4.24.3, 4.25, and 4.26. Tested GPUs were GTX 980 and GTX ...

C++ Class Creation Wizard does not setup include path properly when using a sub-directory with Public/Private Classes

Tools - May 7, 2020

The creation wizard is not correctly adding the #include path in the CPP file. To fix the issue to get the project to compile you have to add the path in the .CPP file within Visual Studio. In this ...

Crash when null texture parameter is present on a MIC

UE - Rendering - Architecture - Materials - Apr 22, 2022

From UDN: [Link Removed] Proposed fix: int32 FHLSLMaterialTranslator::TextureParameter(FName ParameterName, UTexture* InDefaultValue, int32& TextureReferenceIndex, EMaterialSamplerType SamplerType ...

Actors in always loaded sublevels are not immediately recorded into replays

UE - Networking - May 24, 2024

In FReplayHelper::ReplicateActor, we check Connection->ClientHasInitializedLevel(Actor->GetLevel()) to see if the actor should create a channel or not. However, the DemoNetConnection does not have a ...

All public inline methods of class "FBlueprintEditor" are inaccessible to other modules due to "DLLIMPORT"

UE - Framework - Blueprint Editor - Jun 28, 2024

Class "FBlueprintEditor" has several inline getter methods as part of its public API (e.g. GetPreviewActor() and GetPreviewScene()). However, even though they are public, those methods are inaccessi ...

Editor Crash When DFAO Viewport Has Zero Area

UE - Graphics Features - Apr 19, 2018

I've reproduced this crash in 4.16, 4.17, 4.18, 4.19, and Main. Per licensee: The editor crashes if distance field ambient occlusion is enabled and a viewport is resized to have zero height. Th ...

Characters using NavWalking on server have noticeable jitter on clients at lower framerates

UE - AI - Aug 23, 2018

AI nav walking doesn't allow clients to set a "Base" for the character (SetBase from UpdateFloorFromAdjustment), so there is no floor result on frames where there is a net update. This causes simula ...