Inherited TMap value of type UObject* is not saved on blueprint compile

UE - Gameplay - Blueprint - Oct 20, 2017

When a blueprint inherits a TMap variable with a UObject* as the value, compiling the blueprint causes anything set for the value to rest to "none" Workaround: Adding the TMap through the editor re ...

Crash upon editing a GameplayTagQuery inside of a DataAsset

UE - Gameplay - Oct 27, 2017

When a GameplayTagQuery variable is edited from inside of a DataAsset, the editor crashes when the changes are saved. This could be related to a bug that was fixed previously: [Link Removed] Regres ...

Widget components set as IsVariable have non-functional settings/variables

UE - Editor - UI Systems - Feb 12, 2018

There is an issue occurring where Widget components set as IsVariable have non-functional settings/variables. This issue occurs with multiple widget components. This does not appear to be a regressi ...

Certain materials are overly bright with Ray Traced Global Illumination denoiser

UE - Graphics Features - Lumen - Mar 14, 2019

Ray Traced Global Illumination is causing some materials to glow extremely bright Disabling r.raytracing.globalillumination.denoiser fixes the issue In 4.22 preview 5 binary (5365847) the result i ...

Large Amount of Aliasing in Ray Traced Reflections

UE - Graphics Features - Lumen - Apr 9, 2019

There is a large amount of aliasing on ray traced reflections. The reflections look as expected until you zoom in on the sphere (press Z or C to zoom in/out). The reflections become very noticeably ...

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 ...

Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source object is referenced utilizing FObjectFinder in C++

UE - Audio - MetaSounds - Apr 14, 2022

Crash occurs when trying to edit a MetaSound Source asset while a MetaSound Source is referenced utilizing FObjectFinder in C++ Repro Rate: 3/3Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\R ...