Get Class Defaults node disconnects output pins when project upgraded from 4.11 to 4.12

UE - Gameplay - Blueprint - Jun 7, 2016

Upgrading a project from 4.11 to 4.12 causes Class Default nodes to disconnect their output pins from other nodes. If the node is reconnected and saved, it will disconnect again when the project is ...

Default values resetting for level instances of custom component pointers

UE - Gameplay - Components - Feb 3, 2017

When a code component contains a pointer to an actor, adding the component to a blueprint and setting the pointer to point to an instance of the same blueprint will cause the pointer to reset to "No ...

Collision change is not replicated to clients when server makes change to the scale of a mesh

UE - Networking - Jul 20, 2018

When the scale of a mesh is changed on the Server, the collision change of that mesh is not replicated properly to clients, resulting in the collision being different between the server and client. ...

Long delay on iOS Device Output Log can cost loss of logging on some devices

UE - Platform - Mobile - Feb 8, 2019

If the delay to begin printing the log to the window is too long, some of the logging can be thrown out. This issue does not occur with Android Device Output log UPDATE1: The last time I reproduce ...

Skeletal mesh jerks backwards when moving capsule component back to skeletal mesh with physics enabled

UE - Simulation - Physics - Jul 27, 2015

If a skeletal mesh utilizing a capsule component has physics enabled to ragdoll, when the capsule is moved back to the mesh the mesh will jerk backwards towards the capsule briefly. ...

Setting a widget to hidden with an event construct node causes the widget to be permanently hidden

UE - Editor - UI Systems - Feb 25, 2015

If the user wants to toggle the visibility of a widget and sets it to hidden via the event construct node then the user will not be able to change that visibility state later on. ...

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero

UE - Gameplay - Feb 3, 2015

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero. This can be done with StaticMesh components and standard Static Meshes in the level. ...

Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled

UE - Editor - UI Systems - Dec 2, 2016

Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled. Enabling Constrain to aspect ratio appears to offset the widget ...

//UE4/Release-4.19 Binary stalls opening Project Browser at 45% - XGEControlWorker.exe is not recognized

UE - Foundation - Core - Jan 22, 2018

The editor stalls out at 45% while opening to the project browser. This is occurring on machines with Windows 7 and 10. I tried using VS attach to process but it didn't provide very much. Opening th ...