Unreal Engine Issues

ReflectionCaptures as ChildActorComponents does not capture and reload the MapBuildData Correctly.

AO Decals not working when using Lumen

When lumen enabled, and with static lighting disabled, we expect the Material AO to contribute to diffuse lighting occlusion. However AO from decals does not have any effect. ...

NormalizePackageNames() should interpret 'exclude developer folders' to also exclude packages in ExternalActors and ExternalObjects

In NormalizePackageNames() (PackageUtilities.cpp), there is a PackageFilter parameter, which can be set to exclude developer packages (NORMALIZE_ExcludeDeveloperPackages). The code only checks the b ...

Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function

This is not a regression tested in //UE5/Release-5.0 CL22491701 Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

Switching to very high sample rate audio device on XBox causes crash

When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...

FMath::Eval ignores groupings while solving

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Rigidbody world space simulation overwrites scaling of the skeletal mesh

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

Crash after enabling iOS Metal Desktop Renderering and then enabling iOS SM5 Preview Rendering Level

GAS and single process PIE: modifiable static variables accessed by server and client

See: UAbilitySystemGlobals::HandlePreLoadMap GAS features static variables that are modified by both server and client, thus result in issues in single process PIE where they access the same memory ...