Unreal Engine Issues

Difference in Physics on Client in Standalone vs PIE

Difference in force on an actor on a client in a dedicated server scenario between PIE and Standalone. Tested in 4.10 and 4.11. Test project attached. ...

When changing the variable name of Parent Blueprint, only Child Blueprint existing on the opened level becomes Dirty.

Changing the variable name of the parent Blueprint also effects the changes to the child Blueprint, but the Dirty result changes depending on whether it is placed on the level. This means that Child ...

SpeedTree static meshes corrupted converting project from 4.12 to 4.14

Speedtrees are just normal static meshes once they are in the engine, so if we are corrupting them across an engine upgrade that is really bad. ...

APEX Destruction works in the Mobile Preview window

APEX destruction renders when using the Play > Mobile Preview. ...

LayeredBlendPerBone with BlendRootMotionBasedOnRootBone set incorrectly calculates root motion weightings with more than two sources

When BlendRootMotionBasedOnRootBone is true, the code in  FAnimNode_LayeredBoneBlend::Update_AnyThread that calculates the root motion weightings for the sources doesn't appear to account for the po ...

When transferring data from CPU to GPU particles using Array, if CollisionQuery is used simultaneously, the Array cannot be read correctly.

Failed to Compile C++ Skip Conversion Project

C++ projects are failing to compile when attempting to skip conversion from an older version of the engine. Error Message: C:\Users\laz.matech\Documents\Unreal Projects\MyProject4Test\Intermediate\ ...

Warning node generated on compile for component based Event Dispatchers

Creating an event dispatcher inside a component class/blueprint with an array input and using that component in another blueprint causes the event node to generate a note on compile when the event i ...

ShowFlag.Rendering 0 is causing picture scintillation

When you use the console command for ShowFlag.Rendering 0 the screen multiplies. This happens on both iOS and Android devices ...

Hierarchy is lost when components are copied from one blueprint to another

If a user has a list of components with a hierarchy, the hierarchy is lost in the target location if they copy the components to another blueprint. ...