UDelegateProperty define missing in DefineUPropertyMacros.h

UE - Foundation - Core - May 11, 2020

The following code should be added in defineUPropertyMacros.h #ifndef UDelegateProperty #define UDelegateProperty DEPRECATED_MACRO(4.25, "UDelegateProperty has been renamed to FDelegateProperty") F ...

RetargetSource in AnimSeqeuence doesn't affect DDC key

UE - Anim - Runtime - Aug 4, 2020

Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...

Sequencer unable to bind channel of a value that is part of a TArray

UE - Anim - Sequencer - Sep 23, 2020

Keyframes added to sequencer from a TArray variable are unable to be changed. The value sets correctly but displays red. [Link Removed] ...

[MetaSounds] - Browse to Asset button on Wave Player Node does not work

UE - Audio - MetaSounds - Sep 21, 2021

Selecting the Browse button on a Wave Player asset does not load the location of the selected asset for previously saved MetaSounds. Changing the Wave Asset to another Sound Wave and then selecting ...

Unreal Insights does not recognize Android if connecting with USB cable

UE - Foundation - Insights - May 13, 2022

Unreal Insights doesn't recognize USB-connected Android in UE5, even with the same flow as UE4.27. By the way, I checked UECommandLine.txt, but I didn't find any issue. It may be related to the nee ...

Loading CVAR preset does not apply the parameters to other nodes in multi-user until manually toggled on/off

UE - Virtual Production - Tools - CVAR Tool - Apr 13, 2023

Loading a CVAR preset does not apply the parameters in the preset to other nodes in multi-user. These parameter values must be toggled On/Off manually after loading to apply correctly. ...

Running Lyra with a Startup Movie causes a crash

UE - Editor - UI Systems - Slate - Jun 26, 2023

Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build.  Full callstack is attached ...

Volumetric fog flicker side screen

UE - Rendering Architecture - Nov 29, 2023

The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...

Is there a particle smoke that matches the world lighting 100%?

UE - Niagara - Oct 14, 2024

Niagara particle sprites with a Translucent Material are glowing in a completely dark area. This issue is also observed with the deprecated Cascade particles. Particle brightness is also dependent ...

Nanite - Skinned Meshes not working.

UE - Graphics Features - Oct 21, 2024

The Nanite information and views from the Static Mesh Editor are not available to Nanite Skeletal Meshes in the Skeletal Mesh Editor. ...