Unreal Engine Issues

Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor

After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...

Spawned skeletal animations don't animate

Web browser widget renders white for certain web pages on Android

When loading certain web pages with the Web browser widget on android, the web browser widget appear to fail to fully load the page. The page results in a white screen only. ...

VR Trackpad Axis Values 0

Trackpad Values return 0 Additionally: I also observed that the Go's trigger is registering as Trigger MotionController (R) Facebutton 1  and that previously there were MotionController (R) Thumb ...

When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...

Multigates only fire the first output when inside a function

Multigates only fire the first output when inside a function. The same setup in the Event Graph will function as intended. Reproduced in 4.7.4 binary and Main (//depot/UE4/Promotable-CL-2498147) ...

The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0

The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0. Possibly related to [Link Removed] Tested in 4.6.1 a ...

Scene Capture 2D Actor causes Flickering on Windows 10 when Launched in Standalone

Screen/Playable window flickers when playing in Standalone on Windows 10. A few users are reporting this issue which is exclusive to Windows 10 and Standalone mode. There is another issue the could ...

Crash When Copying Comment Box from a Blueprint to a Behavior Tree

The editor crashes when pasting a comment box from a blueprint into a behavior tree. Found in 4.12.1 binary. Reproduced in 4.11.2 binary and Main CL 3005971 Source Context94 95 fo ...

Widget IsHovered does not register a TouchUp

Widget node IsHovered does not register a TouchUp when you TouchDown onto a touchscreen device. It keeps the same x,y coordinates when moving your finger along the screen. I have spoken with Chris ...