Unreal Engine Issues

Masked Mesh has significant performance hit on some android devices

Orientation is wrong for client in networked HMD game when UseControllerRotationRoll is true

A networked VR (HMD) game will result in an undesirable rotation for the pawn on startup for a network client, and the issue is dependent on timing. ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

changing localization does not change text in PIE

When switching localization for testing, text does not change language in PIE. ...

Code delegates duplicate function calls when owning actor is duplicated in the editor

If an actor that contains a delegate bound in code is duplicated after being placed in the level, the delegate for the duplicate will also trigger the delegate for the original as well. ...

FSlateApplication::OnControllerAnalog triggers a MouseLeftClick event to be added to the input stack.

It appears that FSlateApplication::OnControllerAnalog triggers a left mouse click to occur on mobile platforms. If developers haven't properly avoided hooking up delegates to the InputComponent for ...

Closing the GPU Visualizer window on Linux causes the editor to crash

After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...

Ensure attempting to submit to source control after enabling plugin

Ensure occurs when trying to submit to source control after enabling a plugin in the editor. I wasn't able to reproduce this if the uproject wasn't checked out. ...

A project on Mac that includes a static library will continue to use the old cached version of the library after the library is updated.

If a static library that is included with a UE4 project is changed, the new version of the library is not used when the project is built again. Instead, the original cached version of the library is ...

Non-Struct CDO component properties display incorrectly in the property editor.

UObjectProperty properties within a UActorComponent class aren't exposed for editing in the Details panel when choosing to edit native component defaults in the BP editor. ...