Unreal Engine Issues
Unreal Engine Issues
UNetDriver server-side hitch results in ActorInfo->NextUpdateTime far into future
UE - Networking - Feb 16, 2024A high UWorld::Tick DeltaSeconds (i.e. GameThread hitch) results in a high UNetDriver::TickFlush DeltaSeconds. This DeltaSeconds can high (many seconds) if the hitch is long. This value then affects ...
RemoteRole of local pawn on a listen server is ROLE_AutonomousProxy
UE - Networking - Feb 15, 2024This issue was previously reported at [Link Removed], but it seems to have regressed due to the change at CL 23357753. GetNetMode is correctly returning NM_ListenServer, but APawn::PossessedBy now c ...
NMT_Failure message not received on client when listen server shuts down
UE - Networking - Feb 6, 2024Shutting down a dedicated server seems to result in the expected behavior, where both messages are received, but it may be possible for the circumstances causing the issue to occur on a dedicated se ...
Include option to use ViewTarget's location when determining relevancy
UE - Networking - Jan 26, 2024When determining relevancy for an actor based on distance, the location of the player's view point is always used if it is available, rather than the location of the view target (see FNetViewer and ...
Multicast RPCs called from standalone instance are not recorded into replays
UE - Networking - Dec 13, 2023This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...
Duplicate child actor created on client in editor
UE - Networking - Nov 17, 2023This seems to be related to the fix for [Link Removed]. Part of that fix made sure that the child actor component recreates the child actor when GIsReconstructingBlueprintInstances is true, as previ ...
Check hit in FNetworkObjectList::MarkActiveInternal for dormant actor after seamless travel
UE - Networking - Nov 15, 2023When seamlessly traveling, FNetworkObjectList will have its data cleared. However, because FNetworkObjectList::Reset is called before FNetworkObjectList::ResetDormancyState, AllNetworkObjects will b ...
Unable to play replays with custom GameNetworkProtocolVersion set at runtime
UE - Networking - Sep 20, 2023It seems that when comparing the custom versions for a replay (in the "operator<<" defined in ReplayTypes.cpp), the value retrieved from the FCurrentCustomVersions is not the value set at runtime, b ...
Subobject of garbage actor may be reassigned to newly created actor on the client
UE - Networking - Aug 15, 2023When an actor channel is cleaned up, the actor and its subobjects in the CreateSubObjects array are destroyed/marked as garbage in DestroyActorAndComponents. However, default subobjects are not adde ...
Attachment changes on the client for non-replicated actor may be stomped by replication
UE - Networking - Aug 10, 2023For projects relying on attachment to be performed on the client before the server, such as to prevent latency, this can result in attachments being overridden when USceneComponent::OnRep_AttachChil ...