Unreal Engine Issues

Implementing an interface in a blueprint does not show interface functions until interface is opened and compiled

If an interface is implemented within a blueprint, the initial function in the blueprint interface cannot be called in the actor. The function will be populated after compiling the blueprint interfa ...

Navigation does not work in sub-levels

Navigation does not work in sub-levels. If the Nav Mesh Bounds Volume in a sub level is not touching a Nav Mesh Bounds Volume in the Persistent Level, it will not appear or function during Play. It ...

Non-Power of 2 images are not rendering on iOS devices

If you create a UMG with an image in the Umg that is not a power of 2, The image will not appear on an iOS device. Tested this on a Android device (Nexus 5 with ETC1 and ATC. PVRTC will not allow t ...

Entering 'Show Collision' for a project and then 'Quit' via the console command, you will receive an crash

Once a project is packaged, If you enter the console command 'Show Collision' and the 'Quit', the project will crash upon closing. This is only occurring in a packaged project and not happening whe ...

Error for having an extra semicolon before a UPROPERTY declaration is not thrown inside of a USTRUCT

Having an extra semicolon on the line before declaring a UPROPERTY will cause UHT to miss parsing the following UPROPERTY. This is expected, but an error is usually given when this is the case. This ...

Unreal crashes with an Fatal Error: Out of memory message.

Inputs and Outputs missing in Details pane on Interface function that has been transferred to local function

After removing an interface from a blueprint, any interface functions in the blueprint can be transferred to a local function. However, after this occurs, the inputs and outputs are removed from the ...

The Delay node cannot be added to the StandardMacros bp in the Engine folder

The Delay node cannot be added to the StandardMacros bp in the Engine folder. However, the Delay node can be added to a new Macro Library bp and any Macro in an actor class blueprint. ...

Editor crashes when using pause node in PIE while running on dedicated server

If a user pauses a game while running on a dedicated server the engine will crash. Note: this crashes even when user is given an option to unpause game. Frequency: 2/2 Crash Reporter: [Link Rem ...

Imprecise Rotation Values produced in the Details Panel when using the Rotation Widget in the Viewport

Starting with an asset (static mesh for instance) with a precise rotation value (such as a whole number) in the details panel will result in a imprecise, slightly fractional off value when rotated ...