Unreal Engine Issues

Duplicating (Ctrl+W) a component and its child will not preserve attachment hierarchy

When the user duplicates (using Ctrl+W) two components that are attached, their attachment hierarchy isn't preserved. This occurs in both the blueprint SCSEditor and in IWCE. ...

Deploying from Windows to Linux fails on the first attempt

After hitting this failure, if you try to deploy again, then it will work. This only occurs on the first attempt. Initially, I thought I hit a disc space issue I was hitting due to having a sample ...

[CrashReport] UE4Editor_UnrealEd!UEditorEngine::bspBrushCSG() [editorbsp.cpp:1188]

This is an infrequent BSP crash occurring for users in 4.17 User DescriptionsWas getting ready to creat a stic mesh from some brushes, did the align verticies, computer chugged on it a bit then edi ...

FApp::IsUnattended checks are missing when a message box is displayed because serialization has gone out of bounds

In cases where serialization goes out of bounds, there is no check to see if the app is running in unattended mode before the message box is displayed. If the app is running unattended, such as on a ...

Xcode does not appear to search Library/Frameworks for a framework file that is included in a project

Trying to build a project after including a header file from a framework located in `Library/Frameworks` fails because the file cannot be found. It looks like `Library/Frameworks` is not searched ev ...

The nativized 'Array_Get' custom thunk implementation fails to properly initialize the item returned in the invalid index case.

FCustomThunkTemplates::Array_Get() fails to properly initialize a default item when the index is invalid: Item = U{}; That will leave the item uninitialized (e.g. UDS types). Should be using the ...

Android app will get crashed if it disable HDR and run with Vulkan API

The backtrace is： F/DEBUG   : backtrace: F/DEBUG   :     #00 pc 00070e22  /vendor/lib/hw/vulkan.msm8994.so (A4xCommandBuffer::HwProcessWorkload(QglWorkload*)+585) F/DEBUG   :     #01 pc 0004758d  / ...

Mouse control for zooming in UMG Designer is limited comparing to how it works in other Graph editor

Can not change source paths on Datasmith Scenes

You are unable to change the filepath for Datasmith Scenes. The '...' box is there for you to select but it does nothing when clicked. This issue happens in both 4.19.2 (0.182) and 4.20.1 (4.20E2) ...

Crash serializing LAN query response in OnlineSessionInterfaceSteam

Server will crash in FOnlineSessionSteam::AppendSessionToPacket due to the OwningUserId being null. ...