4.6.2R

• Improved ReplicateState changes are now beta and can be toggled via Fish-Networking menu.
• Improved RigidbodyPauser, you can now specify which Rigidbodies to use manually.
• Fixed harmless error in NetworkTickSmoother, null reference exception, when exiting play mode in Unity.
• Fixed ReplicateState.FastContains returning incorrectly.

4.6.1R

• Fixed Network/OfflineTickSmoother detach/reattach settings not working.
• Improved normalized ReadMe file layouts and names.
• Fixed Review Reminder window no longer shows for Virtual Players on Unity 6.

4.6.0

• Added preciseTick.AsDouble extension.
• Added double.AsPreciseTick extension.
• Added NetworkObject.IsDestroying to know when a NetworkObject is being destroyed or pooled during OnStop callbacks.
• Added TimeManager.TimeToTicks(long).
• Added NetworkObject.IsInitializedNested.
• Added ServerSpawner component which automatically spawns NetworkObjects when the server starts.
• Added OfflineTickSmoother.
• Added NetworkTickSmoother.
• Improved ReplicateState terminology: Future is now only ever true when reconciling, and when data tick has not been run as Current.
• Changed ReplicateState is now a flag.
• Changed ReplicateState previous values now use flag checks internally.
• Added replicateState.FastContains for flag checking.
• Added ReplicateState.IsCurrent, which is the opposite of IsFuture.
• Obsoleted several ReplicateState values in favor of new terminology.
• Improved CharacterControllerPrediction demo notes.
• Improved CharacterControllerPrediction now uses NetworkTrigger to attach and detach from platforms.
• Improved Stable and Beta mode are now available per feature.
• Improved several API and ToString methods to be more verbose.
• Improved PlayerSpawner to find NetworkManager within hierarchy, using InstanceFinder only as a fallback.
• Changed PredictionManager.StateInterpolation is now public.
• Changed Reader.Initialize methods are now public.
• Fixed set RollbackPhysicsType enum as flag.
• Fixed OnStop callbacks not firing on Instantiated objects nested to scene objects when server suddenly disconnects.
  Removed debug.
• Fixed DefaultScene incorrectly loading Offline scene when a server stops, even if another server is running such as through Multipass.
• Fixed TimeManager.Tick drifting with latency.
• Fixed UseGlobalCustomSerializer attribute not working on types within read-only assemblies.
• Fixed Object Initialized Twice Error when stopping and starting all sockets without stopping the editor or application.
• Fixed conditional Writer corruption when manually calling RebuildObservers.
• Fixed NetworkObject.SetInitializedValues not running on prefab scene objects with properties that differed from the prefabs.
• Fixed nested NetworkObjects being destroyed on socket stop when using object pooling (#842).
• Fixed collection modified error when using extension transform.DestroyChildren with destroyImmediate as true.
• Fixed BandwidthDisplay showing flipped in/out values for client usage (#843).
• Fixed NetworkCollider/Trigger sometimes incorrectly firing OnEnter/Exit events during reconcilations.
• Obsoleted NetworkBehaviour/Object.HasAuthority; replaced with IsController.
• Obsoleted DetachableNetworkTickSmoother; replaced with NetworkTickSmoother.
• Obsoleted MonoTickSmoother; replaced with OfflineTickSmoother.
• Obsoleted NetworkObject smoother settings in favor of using NetworkTickSmoother.
• Removed HistoryDuration on NetworkCollider/Trigger as it is no longer needed.
• Removed unused ReplicateState values.

4.5.8R

• Fixed memory leak in ObserverConditions when using pooling.
• Fixed memory leak in ObserverConditions when destroying objects as clientHost before client-side deinitialized the object.
• Improved notes on a ReplicateState enum value.
• Improved error logging for SyncTypes.

4.5.7R

• Fixed TimeManager.TimePassed negative time comparison (#829).
• Added Transport.GetPacketLoss. Only some transports support this feature.
• Added Tugboat.GetPacketLoss(bool).
• Added Server/ClientAttribute.UseIsStarted to force using IsServer/ClientStarted instead of Initialized.
• Fixed conditional NullReferenceException on clientHost when NetworkObserver deinitialized OnDestroy (#812).
• Renamed SceneManager.MoveClientHostObjects to MoveClientObjects.
• Changed SceneManager.MoveClientObjects now also applies to ClientOnly.
• Fixed NullReferenceExceptions on clientHost when rapidly spawning while changing scenes.
• Improved removed unnecessary logging for clientHost.
• Fixed NetworkObject NullReferenceException during OnDestroy when nested.
• Improved sending reconciles on Channel.Reliable now forces them through regardless if replicates run recently.
• Fixed Unity bug IL2CPP build crash for RPCs in generic classes. This is a limited work-around; for proper resolution use Unity 2022 or higher.
• Fixed OnServerDespawn not invoking via observer builds (thanks gooby!).
• Fixed math on Quaterion.Subtract extension.
• Fixed RigidbodyPauser unpausing to kinematic states when another Pauser made kinematic. This bug mostly affected OfflineRigidbody.
• Fixed invalid read size error when reader deserializers a null list (#837).
• Fixed ChildTransformTickSmoother graphics not moving with target when starting as clientHost then disconnecting client.
• Fixed ChildTransformTickSmoother moving to incorrect values when graphicalObject had an offset and when using adaptive interpolation.
• Fixed replicates not running default data when data was queued but interpolation was not met yet.
• Fixed preferred scenes not being set as active scene when SceneManager.SetActiveScene is false (#838).
• Fixed NetworkManager reference being null on reconcile and replicate readers, resulting in possible errors when reading types dependent on a NetworkManager.
• Fixed harmless NullReferenceException caused by ChildTransformTickSmoother when exiting play/application (#818).
• Fixed harmless Multipass Id not found error in Multipass when subsequentially starting server, client, then stopping server (#828).
• Improved performance slightly while in development mode when clients disconnect.
• Updated Edgegap to 3.0.9.
• Added CharacterController prediction demo, featuring: sprint, jumping, stamina, moving platforms, parenting.
• Added Rigidbody prediction demo, featuring: NetworkTrigger pickup, speed boost, predicting multiple rigidbodies.

4.5.6R

• Obsoleted PooledWriter.ResetState in favor of Store/Length.
• Obsoleted PooledReader.ResetState in favor of Store.
• Obsoleted Writer.Reset in favor of Clear.
• Added Writer.Clear.
• Fixed rare chance of writer corruption due to a writer being stored rather than cleared.
• Obsoleted TransformProperties.LocalScale in favor of Scale.
• Added Writer.WriteTransformProperties.
• Added Reader.ReadTransformProperties.
• Removed types no longer used by Mirror in MirrorUpgrade.
• Added BandwidthDisplay.SecondsAveraged to provide better averages over time.
• Added NetworkObject.IsTakingOwnership QOL.
• Added Quaterions.Subtract/Add extensions.
• Changed Beta prediction code moved into stable.
• Added Resettable/RingBuffer.Enqueue.
• Added Resettable/RingBuffer.Dequeue.
• Added Resettable/RingBuffer.TryDequeue.
• Improved ResettableRingBuffer.Add now returns replaced entries.
• Improved ResettableRingBuffer.Add/RemoveRange now have ability to specify resetting replaced or cleared.
• Changed failed predicted spawns are now destroyed on the server rather than optionally pooled. This will be restored at a later date.
• Fixed predicted spawns becoming corrupt on spawner (#815, #801).
• Improved performance slightly on TickNetworkBehaviour when manually changing subscriptions.

4.5.5R

• Fixed DistanceCondition.MaximumDistance not applying properly when set at runtime (#809).
• Obsoleted DistanceCondition.MaximumDistance.
• Added DistanceCondition.Get/SetMaximumDistance.
• Fixed predicted spawners not becoming an observer of the object they spawned.
• Fixed internals trying to call prediction methods on NetworkBehaviours when they do not utilize prediction when at least one NetworkBehaviour for the NetworkObject does.
• Fixed SyncTimers finishing immediately on clientsOnly when using timer.Update without arguments. (#807).
• Added TickNetworkBehaviour.SetTickCallbacks to set callbacks at runtime.

4.5.4hf0R

4.5.4hf0

• Fixed client not sending ping updates to the server (#806).

4.5.4

• Fixed NetworkObject.OnDestroy not completing due to the object thinking it was not initialized (#803).
• Added scene validity check to method AddConnectionToScene (#805).

4.5.3R

• Fixed PreciseTick.Percent value being 0 instead of 1 when checked during a ticked frame.
• Fixed condition where NetworkTransform may not unsubscribe from events on client or server stop.
• Fixed code stripping not working in Unity 2022+ (#798).
• Fixed SyncVar OnChange method having incorrect previous value for clientOnly (#800).
• Fixed foreach enumerator in SyncList (#799).
• Added PreciseTick.GetUnsetValue.
• Fixed preciseTick.Subtract improperly calculating percentages.
• Fixed incorrect parsing of null arrays (#802).
• Added NetworkObject.PreventDespawnOnDisconnect to prevent objects from despawning when the owner disconnects.

4.5.2R

• Fixed NetworkTransform.ResetState causing NullReferenceException when despawning within OnStartServer of the object.
• Fixed scene objects not despawning from within OnStartServer when clientHost did not observer the object.
• Improved Rebuild SceneIds now forcefully rebuilds Ids even if they appear to already be set.
• Added ResettableCollectionCaches.Retrieve/Store Queue and BasicQueue.

4.5.1R

• Fixed nested scene NetworkObjects not spawning (#791).
• Added 'Rebuild Selected Scene's Ids' (#789).
• Improved SyncList, removed unused code. (#785).
• Fixed incorrect equality check in SyncList.Set (#784).
• Improved readability for clientHost renderer update methods.
• Improved Dictionaries utilities, removed unused code.
• Fixed collection modified error in ServerObjects.Observers, introduced in 4.5.0 dev branch.
• Fixed NetworkTransform sometimes causing null reference errors with predicted spawning (#792).
• Fixed predicted spawning no longer sends spawn message back to predicted spawner; only confirmation message.
• Improved removed unused code in NetworkAnimator.
• Fixed null check order on NetworkAnimator._canSynchronizeAnimator (#794).