Newly placed actor unloads after playing in editor once

UE - World Creation - Worldbuilding Tools - Jan 17, 2023

The actor placed in the level will be unloaded after play in editor.  Without save the level (repro step4), the actor is not unloaded and show in editor. ...

Switchboard Unable to Launch Multi-User Slate Server in Launcher Builds

UE - Virtual Production - Tools - Switchboard - Jan 14, 2023

Switchboard is unable to launch the Multi-User Slate Server in launcher builds.  This is because the default install location has "Program Files and "Epic Games" in the path (aka folders with spaces ...

Sky renders black after building lighting in VR Template

UE - Graphics Features - Jan 13, 2023

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does not occur so this is a regression. ...

SteamSockets not setup to handle Client/Session ID handshakes

UE - Online - Jan 13, 2023

Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...

Precomputed AO Mask renders with value of zero after building lighting

UE - Rendering Architecture - Materials - Jan 13, 2023

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does not occur so it is a regression.  This issue occurs in 5.1 for both normal light building and GPU Lightmass building. In 5.0 th ...

ExpandEnumAsExecs always uses first Exec if an argument name matches Enum value

UE - Gameplay - Blueprint - Jan 13, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. EnumBugBP uses two enum cases and three argument cases for 6 total permutations:Enum w ...

Foliage actors and deferred decals

UE - World Creation - Worldbuilding Tools - Foliage - Jan 13, 2023

Licensee - " We noticed an issue when trying to use foliage to instance deferred decals. The decal will show up, but only on what looks like the first instance of the decal. If I don't use foliage ...

Animation Sequence Keyframe icons missing after adding a Keyframe

UE - Anim - Runtime - Jan 13, 2023

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue occurs there as well so this is not a regression. This issue occurs with any bone and setting any amount of Keyframes on any frame. ...

SetNiagaraStaticMeshComponent in UNiagaraFunctionLibrary does not add NiagaraVariable to InstanceParameterOverrides

UE - Niagara - Jan 13, 2023

The result of the Set Niagara Static Mesh Component (OverrideSystemUserVariableStaticMeshComponent) function provided by the UNiagaraFunctionLibrary is different from the operation result on the det ...

Foliage cannot be selected after deleting a single instance

UE - World Creation - Worldbuilding Tools - Foliage - Jan 12, 2023

This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...