Visual Studio builds currently fail when a project includes a UFUNCTION with Server, Reliable, and WithValidation specifiers (with appropriate definitions in the source file).

UE - Networking - Apr 1, 2015

Using UFUNCTION(Server, Reliable, WithValidation) with an RPC function results in a failed build in Visual Studio. The same test in Main yields a different set of error messages. ...

Add Actor Local Offset does not work for Client Characters

UE - Networking - Mar 31, 2015

Add Actor Local Offset does not work for Client Characters. The client attempts to move but is forced back to start, resulting in a jitter and not the intended movement. The same movement setup in a ...

On level restart, user receives LogNetPackageMap warnings in networking project with seamless travel

UE - Networking - Mar 19, 2015

On level restart, user receives LogNetPackageMap warnings in networking project with seamless travel. Warning message: LogNetPackageMap:Warning: Using None instead of replicated reference to MyAct ...

OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify

UE - Networking - Mar 17, 2015

OnRep functions do not fire on the Server when elements are added to an array variable marked as RepNotify. They do not fire at all when setting an array element with the Set Array Elem node. Proba ...

OnRep functions do not fire on the client

UE - Networking - Mar 15, 2015

OnRep functions do not fire on the client. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

Running a server from the editor will crash this project

UE - Networking - Mar 8, 2015

Running a server from the editor will crash this project. Reproduced by using UE4Editor <projectname> -server -log to run the editor. This does not occur with a new project in 4.7.2 or in Main. ...

ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor

UE - Networking - Mar 3, 2015

ServerTravel from a map with a GameMode set to Use Seamless Travel and then ServerTravel back from a map without Seamless Travel enabled will crash the editor. Reproduced in 4.7.1 binary and Main ( ...

Replicated variables on the server do not replicated on the client

UE - Networking - Feb 18, 2015

After setting a replicated variable to true on the Server the Clients still show the variable as being set to false. ...

Character animations do not replicate when the character is attached to another actor

UE - Networking - Feb 10, 2015

Character animations do not replicate when the character is attached to another actor. Setting the other actor to Replicate and Replicates Movement does not seem to make any difference. Reproduced ...

Setting multiple identical actors to replicate movement will crash on PIE with multiple players

UE - Networking - Jan 28, 2015

If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...