Unreal Engine Issues

No arm64 folder exists in plugins leading to an Error when packaging plugins

Regression: Checked in UE5/Release-5.0, the folder is missing from the plugin as well. This issue appears to be a problem with packaging the plugin itself, rather than packaging a full project. Pac ...

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 ...

StartPlayInEditorGameInstance doesn't consider bStartInSpectatorMode for client instances

In UGameInstance::StartPlayInEditorGameInstance, the server instance will go through the normal process of creating the URL using BuildPlayWorldURL, which checks the FGameInstancePIEParameters' bSta ...

NetStartup actors may receive old, unreliable multicast RPCs when becoming relevant again with replication graph

Unreliable multicast RPCs won't be processed for connections where the actor isn't relevant (this is checked in UNetDriver::ProcessRemoteFunction). However, UReplicationGraph::ProcessRemoteFunction ...

Recent Projects Missing Moved Projects After Browsing

When an existing project is opened from a location where it hasn't been created on that machine, the Editor is unable to parse the project's location properly and fails to show it in the Project Bro ...

Forward Rendering causes Volumetric Material to not render against background

Regression: Tested in UE5/Release-5.0, and the issue is reproduceable. This issue appears to occur when the SkySphere is deleted from the level, as leaving the SkySphere in the level causes the Vol ...

Changing Shadow Quality causes SingleLayerWater Materials to disappear

Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...

"SetOwnerNoSee" setting does not work on Nanite meshe

Licensee description of project: There is a pawn with 4 cubes attached, the 2 red on the left are "normal" static meshes, and the 2 green on the right are Nanite meshes. The 2 bottom cubes have "se ...

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

[MetaSounds] - Changes to Sort Order do not undo/redo as expected

Changes to the sort order do not revert the order of inputs on a node when undone. It will change if the node is refreshed or the graph is saved, however. ...