Unreal Engine Issues
Unreal Engine Issues
PIE Dedicated Servers Have Lower Saturation Limits
UE - Networking - Jun 16, 2020UNetConnection::Tick() clamps the delta time used for the bandwidth limit to the desired tick rate (1 / DesiredTickRate). In PIE, this number is different than the net server max tick rate, so the b ...
Blueprint properties of replicated subobjects don't replicate by default
UE - Networking - May 18, 2020The base implementation of UObject::GetLifetimeReplicatedProperties doesn't check to see if its class is a blueprint-generated class and add its properties, like UActorComponent::GetLifetimeReplicat ...
Cannot access private member MarkPropertyDirtyFromRepIndex error when building a nativized blueprint with a replicated property
UE - Networking - May 14, 2020The following error occurs when building a project that has a replicated variable with the replication condition set to Skip Owner inside a nativized blueprint.UATHelper: Packaging (Windows (64-bit) ...
IsReplicationPausedForConnection is never called
UE - Networking - Apr 20, 2020AActor.IsReplicationPausedForConnection is never called. ...
Replay playback can become paused indefinitely after scrubbing with high time dilation
UE - Networking - Feb 19, 2020When playing a replay with DemoPlayTImeDilation set to 5, and jumping around the timeline using GotoTimeInSeconds(), the play back can break, with game actors freezing and violently shaking. It seem ...
PIE crash due to non-empty ULevel::DestroyedReplicatedStaticActors array
UE - Networking - Feb 17, 2020It's possible to end up in a state where some entries were saved in ULevel::DestroyedReplicatedStaticActors, which causes a crash when PIE starts up. I'm not sure how entries could end up in this l ...
Incorrect level sequence playback in replay with sequence start time != 0
UE - Networking - Jan 16, 2020"Our dynamic duplicate in-memory replays broke when an artist put an ULevelSequencePlayer in one of the dynamic source level levels. The UMovieSceneSequencePlayer base class has PostNetReceive call ...
Using ServerTravel <MapName> command with Seamless travel causes level blueprint logic to not run on client
UE - Networking - Jan 14, 2020When calling the ServerTravel command when using seamless travel, level blueprint logic is not being run on the client side. NOTE: Adding a small delay (tested with .2 to 2 seconds) after the "B ...
Replay scrubbing causing issues with placed actors with negative scales
UE - Networking - Dec 19, 2019A replicated actor placed in a map with a negative scale value becomes inverted when scrubbing a replay. ...
It may be possible to send an actor RPC before successful replication of the actor
UE - Networking - Nov 27, 2019It was reported on UDN that it's possible to receive an RPC for an actor before the actor itself has replicated. The net driver tries to prevent this possibility by calling ReplicateActor in UNetDri ...