Fix function forwarding in demo drivers in instant replays

UE - Networking - Jul 13, 2020

Demo drivers that are actively playing back a replay while still connected to another server as a client (via game net driver) will generate warnings due to the function forwarding code (UNetDriver: ...

Material editor: Parameter grouping does not work within functions

UE - Rendering Architecture - Materials - Nov 18, 2014

When a parameter is placed directly within a material it's group assignment works. The parameter is listed within its group in material instances. This does not work with parameters that are creat ...

Widget functionality broken when removing / recreating the same widget from a widget component

UE - Editor - UI Systems - Jul 26, 2016

When SetWidget is called, the call to Widget->MarkPendingKill(); causes the widget to lose functionality if the widget being created is the same as the widget previously removed. ...

Crash when launching dx12 for the first time with Rect Lights

UE - Rendering Architecture - RHI - Mar 20, 2019

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...

The 'Add Movement Input' node no longer functions on a Default Pawn

UE - Gameplay - Apr 1, 2015

The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...

Crash caused by Buffer Overread in TBitArray operator < function

UE - Foundation - Core - Aug 29, 2018

A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...

The IsOverInteractableWidget() function in UWidgetInteractionComponent does not correctly indicate when it is over an interactable scrollbar

UE - Editor - UI Systems - Dec 15, 2016

The scroll bar in a scroll box does not currently indicate that it is interactable. The UWidgetInteractionComponent::IsOverInteractableWidget() function returns true if it is over a button, but retu ...

The InsertFeaturePacksIntoINIFile() function creates an invalid entry in the DefaultGame.ini file

UE - Foundation - Core - Oct 10, 2018

The GameProjectUtils::InsertFeaturePacksIntoINIFile() function is not creating a valid entry in the DefaultGame.ini file. It is currently missing a double-quote at the end of the PackSource value fo ...

Control Rig function nodes cannot have their color changed in 5.3

UE - Anim - Rigging - Control Rig - Oct 5, 2023

Default property track settings for Spot Light OuterConeAngle don't work

UE - Anim - Sequencer - Aug 4, 2020

The outer cone angle will not have a default track created for it when it's added as a default property in the project settings. This seems to stem from the property having a setter function, and be ...