Replay rollback state doesn't recreate per-instance components

UE - Networking - Nov 26, 2019

Actor rollback state saved and restored by the replay system for placed actors in the level does not take into consideration per-instance replicated components, so they won't be recreated when the a ...

Calling GEngine->Browse from an RPC implementation causes a crash

UE - Networking - Nov 5, 2019

The engine is not resilient to calling Browse from within an RPC implementation, and likely not resilient to other ways of destroying the net driver within RPCs/OnReps. It's not something we need to ...

Connection to dedicated server no longer works on iOS devices

UE - Networking - Oct 11, 2019

"Looks like the cause of this is commit fb473a7 ( https://github.com/EpicGames/UnrealEngine/commit/fb473a7678c3669bebe0431dacaf52bcf8dee47f#diff-e6f727710008f31c0ece339b76041d2e ) included in v4.23. ...

Edited properties of replicated components created via the "AddComponent" BP node aren't correct on clients

UE - Networking - Oct 8, 2019

When properties are customized on an Add Component node, and the component is replicated, the client will create the component without the customized properties. This is likely due to subobject repl ...

Encryption handshake will fail if a seamless travel occurs during key lookup

UE - Networking - Oct 4, 2019

The encryption token challenge/response portion of the control channel handshake can fail due to a seamless travel occurring between the client's NMT_Hello being received by the server and the serve ...

Networking Engine Tests fail for NotifyParamCorrect on Client

UE - Networking - Oct 2, 2019

The following errors occur when running the networking engine tests with 2 clients and a dedicated server. LogFunctionalTest: Error: Assertion failed: 'EngineTestNetActorComponent bRepArrayAddNotif ...

Client crashes after second seamless travel when a blueprint manually placed in the world spawns a replicated actor

UE - Networking - Sep 19, 2019

When a user loads into a level that spawns replicated actors using manually placed blueprints twice using ServerTravel with Seamless Travel enabled it will crash. It looks like the engine can't find ...

OnRep_Controller is not called when Controller is set in AController::OnRep_Pawn()

UE - Networking - Aug 6, 2019

We don't call OnRep_Controller after it's set to null in AController::OnRep_Pawn, so overridden implementations won't get called. While it's a little weird to call OnReps explicitly on the client o ...

Creating Online Session always fails in Launch mode when loading another map

UE - Networking - Aug 5, 2019

Creating an Online Session and transitioning to another map does not work in a Launched Windows game. The transition event does fire but it just resets the players position on the Default map. This ...

Possessing and Unpossessing a Pawn when using NetCulling causes the Client to lock up

UE - Networking - Aug 1, 2019

In this test bench, they are using a APawn with a custom replicated Movement Component rather than using a ACharacter and they are getting a different result that ends up in a permanent softlock of ...