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 ...

Eye Adaptation Material Node Only Functions in Surface Material Domain

UE - Graphics Features - Apr 24, 2019

The Eye Adaptation material node only functions in Surface Material Domain. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 6074473 ...

Using a TSet in Blueprint directly into a function call crashes

UE - Gameplay - Blueprint Runtime - Nov 16, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Shadows appear to flicker on the Vive when using dynamic lighting on a translucent surface

UE - Platform - XR - May 16, 2016

Shadows appear to flicker on the Vive when using dynamic lighting on a translucent surface. This is even more noticeable if the engine scalability is turned down. ...