Unreal Engine Issues
Unreal Engine Issues
Second player's screen does not render in Split Screen on Android
UE - Platform - Mobile - Mar 21, 2019The second player's screen in a Split Screen multiplayer session on Android does not render. It remains completely black. This was also an issue prior to 4.15 but was fixed with [Link Removed]. The ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
Transformed FBoxSphereBounds sphere radius not matching with scaling
UE - Graphics Features - Mar 16, 2018When viewing the Sphere Radius around a Static mesh actor it appears to greatly exceed the mesh when setting the Z transform to 4 from 1. ...
Ctrl-Z does not function in Static Mesh Editor
Tools - May 26, 2015When applying a Material to a Static Mesh in the SM Editor, an event for the undo function is never created and when you undo you are undoing the last action outside of the SM Editor. Also reproduc ...
Packaging fails when nativized blueprint implements interface with virtual function
UE - Gameplay - Blueprint - May 18, 2017If an interface contains a virtual function that returns "nullptr", If an interface contains a UFUNCTION that has a TSubclassOf type as a parameter or return value, implementing the interface in a b ...
Blueprint compile failure with empty FTimerHandle return value
UE - Gameplay - Blueprint - Jul 13, 2017Blueprint compile failure when returning a Timer Handle from a function call when the Timer Handle node is not connected. Compile failure message: "ICE: The type of property %s doesn't match a term ...
When OpenGL ES 3.1 is enabled for Android build in Handheld AR Template, camera inverts colors
UE - Platform - XR - Mar 26, 2018When OpenGL ES 3.1 is enabled in Android Build settings, device prompts user to choose to "Allow ARInvertColor to take pictures and record video". If allowed, colors are inverted by the camera. If ...
Print String duration divided by number of players
UE - Gameplay - Blueprint - Jul 9, 2018Print string duration is divided by number of PIE players. ...
[Electra] Electra fails to play video after the second time with the fast Vsync option via NVIDIA control panel
UE - Media Framework - Mar 3, 2022It seems to be a NVIDIA's driver-side issue. ( Driver version is 511.79. ) The users can avoid the error by canceling the fast VSYNC option and reverting to the default VSYNC setting. Alternative ...
Animation Starter Pack IK Handles Not Moving
UE - Anim - Rigging - Oct 12, 2015In the Animation Starter Pack for UE 4.9, The IK handles for the Mannequin's Skeleton do not move with the the rest of the joints in any AnimSequence. *See attached image. ...