Unreal Engine Issues

Application is crashing on the HTC One when UMG is used in the project

If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...

DetourCrowdAIController causes AI to update movement differently

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered

When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered Note: This was entered as a bug to re-work the fix from the pull request found here: [Link Removed] ...

Set nodes for Physical Materials are no longer accessible via Blueprints

DESCRIPTION: Set nodes for Physical Material parameters are no longer accessible via Level Blueprint. AH Post: https://answers.unrealengine.com/questions/135031/cant-set-physical-material-properti ...

ExponentialHeightFog is not rendering through VR

ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...

"StaticFindFirstObject: Ambiguous object name" on delegates with timelines in packed level actors

Global SkyAtmosphere and Clouds Issues (Ambient Light)

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...

Multi Sphere Trace is not returning the correct Impact Location

Multi Sphere Trace is not returning the correct Impact Location. Other AnswerHub Report:https://answers.unrealengine.com/questions/30952/multisphere-trace-fhitresult-location-same-as-impa.html ...

Adding array element of instanced meshes during simulation does not increase amount of elements in array

Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...

Mutable compile hangs indefinitely when using Customizable Object Extension Data Constants

I am getting a CO compile to hang indefinitely while compiling. It seems to be caused by the optimization in LocalLogicOptimiserAST that tries to convert 3+ conditionals into a switch statement. It ...