Iris - replication errors for actors in runtime data layer when reconnecting

UE - Networking - Iris - Mar 28, 2025

It seems like upon reconnecting to the server, the client receives a bunch containing the actor before it has loaded the data layer. See attached log snippet for errors. ...

[Iris] DestroyObjectsPendingDestroy not called on server with no clients

UE - Networking - Iris - Mar 25, 2025

In UNetDriver::TickFlush, UReplicationSystem::PreSendUpdate is not called on the server when it does not have any client connections. PreSendUpdate is where DestroyObjectsPendingDestroy is called fr ...

Iris - dynamically spawned actor components call BeginPlay before reading initial replicated properties

UE - Networking - Iris - Feb 27, 2025

The same issue reported in [Link Removed] is also present in Iris. ...

Iris - incorrect initial state in pawn's BeginPlay if replicated via huge object path

UE - Networking - Iris - Feb 11, 2025

This occurs when the pawn is initially replicated using the huge object path when first connecting to a server. Destroying and restarting the client's pawn works as expected. After connecting, the c ...

Iris - always relevant actors placed in the map do not appear in the debug list

UE - Networking - Iris - Dec 4, 2024

This seems to occur regardless of which filter is used and whether bNetLoadOnClient is true or not. ...

Iris - Non-replicated properties of FInstancedStruct reset after replication

UE - Networking - Iris - Nov 8, 2024

This issue only occurs with Iris enabled. ...

Iris - Missed subobject destruction can cause incomplete client state

UE - Networking - Iris - Oct 7, 2024

From UDN assigned to [Link Removed]  ...

Iris - Ensure in MarkObjectDirty when calling multicast from component owned by bOnlyRelevantToOwner actor

UE - Networking - Iris - Sep 24, 2024

It seems as though the component is in scope for more than one connection, despite its owner only being relevant to one. Enabling Net.Iris.Filtering.ValidateNobSubObjectInScopeWithFilteredOutRootObj ...

Iris - Fast Array ItemMap is empty in PostReplicatedAdd

UE - Networking - Iris - Sep 17, 2024

With Iris enabled, the ItemMap is populated correctly only on the next frame, but it is empty during the callback. This differs from the behavior of the current system, where the ItemMap is populat ...

Compilation errors with UE_NET_ENABLE_REPLICATIONREADER_LOG enabled

UE - Networking - Iris - Jul 15, 2024

Enabling UE_NET_ENABLE_REPLICATIONREADER_LOG results in the following errors: {{4>[1/5] Compile [x64] ReplicationReader.cpp 4>D:\P4V\UE5-Main\Engine\Source\Runtime\Experimental\Iris\Core\Private\Ir ...