Unreal Engine Issues

Can't save map warning with Create Dynamic Material Instance node using wrong input

When using a Create Dynamic Material Instance node the Get Material node will plug into the World Context Object rather than the Parent input. This will cause a error to be thrown that does not allo ...

After calling Seamless Travel, actors in the level will not be in their original positions

After calling Seamless Travel, actors in the level will not be in their original positions. The example provided by the licensee had a different result: the actors, despite having Start Awake disabl ...

Two-Sided Shadowing on Planes and Landscapes with non-flat Normals are Incorrectly Lit

When using a Two-Sided Material and Shadowing Two-Sided for a Plane or Landscape, with non-flat normals, there are parts of the material which are still illuminated. I have provided a test project ...

FOnlineExternalUISteam::ShowWebURL doesn't react correctly to URLs with http:// as the protocol

Code for this function below:bool FOnlineExternalUISteam::ShowWebURL(const FString& WebURL) { if (!WebURL.StartsWith(TEXT("https://"))) { SteamFriends()->ActivateGameOverlayT ...

Make Custom Event names start with "Event"/Fix "Event Event" issue with overridden Events

If you name an Event something like "Event Foo", overriding the event in a ChildBP gives you "Event Event Foo" To avoid this, please make Custom Event names Start with "Event" ...

Incorrect override material properties when doing "Replace References" to material instances in Content Browser

Declaring a TMap as a UPROPERTY fails to compile with a boolean

Declaring a TMap< [type], bool> will fail to compile if it is declared as a UPROPERTY. The error seems to be with the bool because TMap< [type], int8> will compile as a UPROPERTY. ...

Crash in ReflectionCaptureComponent::ReadbackFromGPUAndSaveDerivedData()

See UDN. Crash during autosave. ...

Line Trace by object not returning Component name when called from a custom event that is set to run on server when the component name contains a period

If the user tries to do a line trace by object for an actor component that has a period in it's name (example "static.mesh") it will not return anything if it is called from a custom event that is s ...

Source build does not compile if OS is set to Turkish

Attempting to build the editor from source will fail to compile in VS if the computers Region format / Language is set to Turkish. This is caused by #ifndef Identifiers being translated incorrectly ...