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2019 ChangeLog

Mirror uses semantic versioning, and the versions shown here are those that were published to the Asset Store, and occasionally major version bumps happen mid-month between store submissions and are therefore not individually shown here.

Version 6.3.0 - 2019-Dec-09

  • Added: SyncMode selector now works for components on any scene objects owned by a client in addition to the player object, e.g. pets.
  • Added: MessageBase now fully supports inheritance.
  • Added: Room example now has UI button for host to return all clients to the Room scene and other improvements.
  • Fixed: ReplacePlayerForConnection now works for existing scene objects as long as another player doesn't own the targeted object.
  • Fixed: isClient and isServer are now true for networked objects in Start and OnStartClient / OnStartServer, respectively.
  • Fixed: hasAuthority is now set before OnStartClient and OnStartLocalPlayer are invoked.
  • Changed: connectionToClient is now used to assign client authority.
  • Changed: In many respects, the Host player acts a lot more like a client and will reveal bugs better.
  • Changed: ReplacePlayerForConnection now has an optional bool to retain authority of the previous object (default = false).
  • Removed: NetworkServer.SpawnWithClientAuthority is deprecated in favor of overloads of NetworkServer.Spawn.

Version 5.0.2 - 2019-Nov-03

  • Added: SyncList and SyncSet custom Equality Comparer support.
  • Added: Custom serializers may be implemented for any type in Cmd's and Rpc's.
  • Fixed: SyncVar hooks are no longer called in Host if no change.
  • Fixed: Network Identity no longer throws a null reference exception in RemoveClientAuthority.
  • Fixed: Server transport now suspended during scene change to prevent erroneous messages.
  • Fixed: SyncList, SyncDictionary and SyncSet now use a custom IEnumerator to avoid memory allocation.
  • Fixed: sceneID is no longer reset in certain cases when editing a prefab.
  • Changed: PreprocessorDefine code moved to CompilerSymbols folder to avoid paradox of missing symbols preventing the symbols being added to the project.
  • Changed: Host player no longer gets authority assigned to all objects by default.
  • Changed: Commands no longer bypass serialization for Host player, making debugging easier.
  • Changed: Local connections now maintain their own message queue.
  • Changed: Transport.Available is now abstract.
  • Removed: Network Identity: Local Player Authority has been removed as no longer necessary.

Version 4.0.7 - 2019-Oct-03

  • Added: Authenticators support to authenticate clients in the Connect phase.
  • Added: Profiler events. These events can be subscribed to by the Network Profiler to provide visual information.
  • Added: Transports now include channel in profiler events.
  • Added: Transport abstract class now supports sending a message to a list of connection id's.
  • Fixed: SceneMessage now has sceneOperation enum so clients can properly handle additive scenes.
  • Fixed: NetworkClient handlers are now cleared in Shutdown.
  • Fixed: Offline scene is no longer reloaded when client fails to connect or is rejected.
  • Fixed: Start Position Index is now reset to zero when server is stopped.
  • Fixed: Network Room Players are now all in DontDestroyOnLoad so they don't respawn in the game scene.
  • Fixed: Network Room example player controller restores main camera on disable.
  • Fixed: Components with different sync intervals were not sending updates to clients.
  • Fixed: In certain cases, weaver wouldn't weave some external assemblies.
  • Fixed: Network Animator now does a full sync for new clients.
  • Fixed: Network Behaviour inspector now shows SyncMode for private SyncVars.
  • Fixed: Calling Commands and Rpcs of parent classes from inherited classes works as it should.
  • Fixed: Telepathy no longer hangs when attempting to connect to a nonexistent host.
  • Fixed: Websockets Transport now properly returns the client endpoint information via ServerGetClientAddress.
  • Fixed: WebGL build now works with ArraySegment.
  • Changed: Mirror is now free of garbage memory allocation on the sending side.
    • Some transports may still have a little garbage allocation yet.
  • Changed: Deprecated the AddPlayerMessage extraMessage byte[] in favor of an easier approach to Custom Players.
    • This is a breaking change: The virtual method OnServerAddPlayer loses the AddPlayerMessage parameter.
  • Changed: NetworkIdentity.RemoveAuthorityForConnection is now easier to use: no need to supply the current "owner" anymore.
  • Changed: Renamed NetworkConnection.playerController to identity ... see Deprecations for details.
  • Changed: Lobby system renamed to Room to better align the name for what it is and make way for a future Lobby framework.

Version 3.17.4 - 2019-Sep-04

  • Added: Custom Network Readers & Writers via extension methods.
  • Added: Network Sync Mode selector on components to sync to observers (default) or just the owner.
  • Added: SyncVars now support structs and enums in other assemblies.
  • Added: Support for reading and writing array segments.
  • Added: Network Animator now has layers support.
  • Added: New virtual method OnServerChangeScene to Network Manager.
  • Added: XML summary comments for intellisense and future generated class docs.
  • Updated Examples and Documentation.
  • Fixed: SceneID was not set to 0 for prefab variants.
  • Fixed: Observers were not properly rebuilt on scene changes.
  • Fixed: SyncVar hooks were not able to change other SyncVars in Host mode.
  • Fixed: Telepathy not setting socket options on accepted clients.
  • Fixed: Catch IL2CPP bug.
  • Fixed: Telepathy and Websockets now start connections ID's at 1 instead of 2.
  • Fixed: Websockets support for SSL restored.
  • Fixed: Network Manager no longer complains about missing player prefab if auto-create is disabled.
  • Fixed: Removed a garbage allocation in Network Transform.
  • Fixed: NetworkClient.Ready was being called unnecessarily in certain cases, e.g. SceneMessages.
  • Changed: Documentation moved to website and API generated docs implemented.
  • Changed: AddPlayerForConnection handler is now internal to keep safety checks intact.
  • Changed: A bunch of messages converted to value types for performance.

Version 3.11.6 - 2019-Jul-10

  • Fixed: Telepathy IPv4, IPv6, and FQDN should all work now.
  • Fixed: TelepathyTransport error in UWP builds.
  • Fixed: OnApplicationQuit is handled better now.
  • Fixed: Performance and memory allocation improvements.
  • Changed: Telepathy Source is now included instead of a DLL.

Version 3.10.10 - 2019-Jun-19

  • Added: Scene Message now supports params for SceneMode (Normal / Additive) and PhysicsMode (2D / 3D).
  • Added: ClientScene.Send now has an optional ChannelId parameter.
  • Added: ASMDEF to Examples folder.
  • Added: Support for sending and receiving ArraySegment
  • Added: IReadOnlyList in SyncLists.
  • Fixed: Network Manager not switching to correct scene in some cases.
  • Fixed: ListServer Ping not found in WebGL.
  • Fixed: TelepathyTransport.GetMaxPacketSize uses the new configurable max size.
  • Fixed: Significant reduction in memory allocation and garbage collection.
  • Changed: Use transform.localPosition and transform.localRotation for better VR support.
  • Removed: Websockets send queues (they never worked) and SSL (temporarily because it didn't work).

Version 3.6.7 -- 2019-Apr-28

  • Changed: NetworkReader now uses ArraySegment to minimize allocations.

Version 3.6.6 -- 2019-Apr-24

  • Fixed: Reverted two internal refactor commits that had unintended consequences.

Version 3.6.5 -- 2019-Apr-23

  • Fixed: Unity 2019.1 compatibility.
  • Fixed: Erroneous error indicating prefabs were missing Scene ID's.
  • Fixed: OnDeserializeSafely now works without allocations.
  • Fixed: Weaver not writing symbol files, preventing breakpoints from working in Visual Studio.
  • Fixed: Network Identity SceneID generation now uses RNG Crypto Service Provider.
  • Fixed: Scene lighting in Additive example.
  • Fixed: Player Prefab transform details now respected when instantiated in the absence of NetworkStartPosition.
  • Removed: Tests folder from Unity package generation (no end-user value).

Version 3.5.9 -- 2019-Apr-12

  • Fixed: Network Manager round-robin mode using NetworkStartPosition objects now uses hierarchy sibling order.
  • Fixed: IsLocalPlayer is now reliably accurate in Start() by combining OwnerMessage and SpawnPrefabMessage.
  • Fixed: Stack overflow issues with Weaver and Cecil.
  • Fixed: Corrected assembly paths passed to weaver.
  • Fixed: Enum bandwidth reduced in SyncVars, Commands, and Rpcs.
  • Fixed: Placeholder files added for removed code files so updating works better.
  • Changed: Network Manager isHeadless is a static property now, changed from IsHeadless().

Version 3.5.3 -- 2019-Apr-10

  • Fixed: Exceptions in overrides of Network Manager and other components incorrectly silenced.
  • Fixed: Lobby system sometimes would not spawn and swap game player prefabs into the game scene.
  • Fixed: Application.targetFrameRate no longer set in host mode.
  • Changed: Telepathy: Split MaxMessageSize to allow setting a different value for client and server.

Version 3.4.9 -- 2019-Apr-6

  • Added: Semantic Versioning (which is why we jumped from 1.6 to 3.4.9).
  • Added: SyncHashSet.
  • Added: SyncList and SyncDictionary support all IList and IDictionary derived types, respectively.
  • Added: Documentation for SyncVars.
  • Added: Documentation for SyncEvents.
  • Added: NoRotation to Network Transform.
  • Added: Scale is now included in spawn payload along with position and rotation.
  • Added: Generic IMessageBase to allow struct message types.
  • Added: Weaver now supports Vector2Int and Vector3Int.
  • Added: List Server example.
  • Added: Additive Scenes example.
  • Fixed: SyncLists now work correctly for primitives and structs.
  • Fixed: SyncVar Hooks now will update the local property value after the hook is called.
    • You no longer need to have a line of code in your hook method to manually update the local property.
  • Fixed: Host should not call Disconnect on transports.
  • Fixed: NetworkAnimimator now supports up to 64 animator parameters.
  • Fixed: Network Manager StartServer no longer assumes scene zero is the default scene...uses GetActiveScene now.
  • Fixed: NetworkServer.Shutdown now resets netId to zero.
  • Fixed: Observers are now properly rebuilt when client joins and OnRebuildObservers / OnCheckObserver is overridden.
  • Fixed: NetworkProximityChecker: On rare occasion, player could be excluded from observers rebuild.
  • Fixed: NetworkLobbyPlayer OnClientReady works now.
  • Fixed: NetworkLobbyPlayer Remove button not showing for P1 when Server Only.
  • Fixed: NetworkLobbyManager pendingPlayers and lobbySlots lists are now public for inheritors.
  • Fixed: Offline scene switching now works via StopClient().
  • Fixed: Pong example updated.
  • Fixed: Source Weaver was deleting PDB files, preventing breakpoints and debugging from working.
  • Changed: TargetRpc NetworkConnection parameter is now optional...the calling client's NetworkConnection is default.
  • Changed: Movement example replaced with Tank example.
  • Changed: NetworkClient functions are all static now, so the singleton is gone. Use NetworkClient directly.
  • Changed: SyncList now supports structs directly, making SyncListSTRUCT obsolete.
  • Removed: SyncListSTRUCT - Use SyncList instead.
  • Removed: NetworkClient.ShutdownAll is obsolete -- Use NetworkClient.Shutdown instead.

Version 1.6 -- 2019-Mar-14

  • Fixed: Websockets transport moved to Mirror.Websocket namespace.
  • Fixed: Network Animator bandwidth abuse.
  • Fixed: Network Animator float sync bug.
  • Fixed: Persistent SceneID's for Networked objects.
  • Changed: Documentation for Transports.
  • Changed: Weaver is now full source...FINALLY!
  • Changed: ClientScene.AddPlayer 2nd parameter is now byte[] extraData instead of MessageBase extraMessage.
    • Please refer to the code sample here to see how to update your code.
  • Changed: Network Manager -- Headless Auto-Start moved to Start() from Awake().
  • Changed: Removed Message ID's for all messages - See Network Messages for details.
    • Message IDs are now generated automatically based on the message name.
    • Previously you would call Send(MyMessage.MsgId, message), now you call Send(message).
  • Removed: Documentation for Groove Transport - use Websockets Transport instead.

Version 1.5 -- 2019-Mar-01

  • Added: Migration Tool to (mostly) automate conversion from UNet.
  • Added: Full support for WebSockets and WebSocketsSecure to replace UNet LLAPI.
  • Added: Transport Multiplexer - allows the use of multiple concurrent transports.
  • Added: NetworkLobbyManager and NetworkLobbyPlayer with example game.
  • Added: Configurable Server Tick rate in Network Manager.
  • Added: New virtual OnClientChangeScene fires right before SceneManager.LoadSceneAsync is executed.
  • Added: Unit tests for Weaver.
  • Fixed: Garbage allocations removed from a lot of things (more work to do, we know).
  • Fixed: NetworkProximityChecker now uses OverlapSphereNonAlloc and OverlapCircleNonAlloc.
  • Fixed: SyncVar hook not firing when clients joined.
  • Fixed: Network Manager no longer assumes it's on Scene(0) in Build Settings.
  • Fixed: Network Animator no longer limited to 6 variables.
  • Fixed: TelepathyTransport delivering messages when disabled.
  • Changed: Minimum Unity version: 2018.3.6
  • Removed: SceneAttribute.cs (merged to CustomAttributes.cs).
  • Removed: NetworkClient.allClients (Use NetworkClient.singleton instead).
  • Removed: NetworkServer.hostId and NetworkConnection.hostId (holdovers from LLAPI).
  • Removed: NetworkConnection.isConnected (Network Connection is always connected).
  • Removed: Transport.GetConnectionInfo (Use ServerGetClientAddress instead).

Version 1.4 -- 2019-Feb-01

  • Added: HelpURL attributes to components.
  • Added: Automatic targetFramerate for headless builds.
  • Added: ByteMessage to Messages class.
  • Fixed: Connecting state can be canceled properly.
  • Fixed: Network Transform interpolation applied to client's own object.
  • Fixed: Objects are spawned with correct rotation.
  • Fixed: SceneId assignment.
  • Fixed: Changed syncInterval wasn't saved...it is now.
  • Fixed: Additive Scene loading.
  • Changed: Mirror is now full source -- no more DLL's.
  • Changed: Transports are now components -- TCP, UDP, WebGL, Steam.
  • Changed: Transport class now dispatches Unity Events.
  • Changed: NetworkServer.SendToClientOfPlayer uses NetworkIdentity now.
  • Changed: NetworkServer.SendToObservers uses NetworkIdentity parameter now.
  • Changed: NetworkServer.SendToReady uses NetworkIdentity now.
  • Changed: NetworkServer.DestroyPlayerForConnection uses NetworkIdentity.spawned now.
  • Changed: NetworkConnection.Dispose uses NetworkIdentity.spawned now.
  • Changed: NetworkReader.ReadTransform uses NetworkIdentity.spawned now.
  • Changed: Network Transform reimplemented -- physics removed, code simplified.
  • Removed: NetworkClient.hostPort (port is handled at Transport level).
  • Removed: NetworkServer.FindLocalObject (Use NetworkIdentity.spawned[netId] instead).
  • Removed: ClientScene.FindLocalObject (Use NetworkIdentity.spawned[netId] instead).