Enabling Window Animations causes drop down menus to flicker and be displaced

UE - Editor - UI Systems - Slate - Mar 10, 2021

I tested this with 3 Nvidia Drivers to see if I could find a driver that works properly. I tested the following Game Ready drivers Version 457.30, 461.40 and the latest, 461.72. The flicker occurred ...

Incorrect config property serialization for UStructs used as TMap keys or contained in a TSet with a single value. Diffs taken from default-value of each member type, instead of from default-value of the struct

UE - CoreTech - Nov 18, 2024

Consider a UStruct with some basic type members, each one with a default value specified in the struct. Also consider a TSet or TMap with that struct as keys, used inside a UObject as a UProperty an ...

GetCookedEnvelopeData Blueprint node does not work

UE - Audio - Oct 17, 2019

The GetCookedEnvelopeData Blueprint node does not output cooked audio envelope data when a Soundwave with enabled Amplitude Envelope Analysis is being played. Tested in 4.21 (CL - 4753647), 4.22.3 ...

Scrolling the mouse wheel slowly on Mac does not have any effect in the editor

UE - Platform - Apple - Jan 19, 2017

REGRESSION No, occurs in 4.14.3 On Mac, scrolling slowly (one or two notches) does not have any affect in editor, whereas on the Windows, this has full effect. This was seen in editor (with scroll ...

Split Struct nodes do not update if the struct variable is changed

UE - Gameplay - Blueprint - Aug 30, 2017

If a struct variable inside a blueprint has its node split, changing the variable form one struct to another does not update the split pin. Recombining / resplitting the struct has no affect. Work ...

Color picker does not change the color of a Vector Parameter in a Material Instance until the mouse button is released

UE - Graphics Features - Mar 11, 2020

This is a regression from 4.23.1 (CL-9631420). The color picker does not update in realtime anymore when holding down the left-mouse button. Only on mouse-release does it update. This was reported ...

Exporting a UE4 Animation into Maya results in wrong skin weight

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020

UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...

Time Synth fails to play 96KHz audio clips

UE - Audio - May 19, 2020

TimeSynth 96KHz music clips only play for a split second and then stop. 48KHz files play correctly however 96KHz 16-bit and 24-bit files do not This was reported and tested in 4.25 (CL-13144385) an ...

Crashing when Google Resonance is used with Soundfield Submix

UE - Audio - Sep 17, 2020

When PIE'ing and stopping PIE with Google Resonance in use, the engine crashes after PIE session ended. Crash appears as a result of the Soundfield Submix's Soundfield Encoding Format being set to ...

Check box takes input when set to Self Hit Test Invisible

UE - Editor - UI Systems - Jun 9, 2017

The Self Hit Test Invisible is not working as intended for the Check Box component in 4.16. The check is still taking in an input. This issue does not occur when using the "Hit Test Invisible" optio ...