Unreal Engine Issues

Electra video playback fails if project or package is under multibyte characters path

The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...

ISM Component in an instanced BP does not take into account changes to NumCustomDataFloats from the BP class

PerInstanceSMCustomData is bulk serialized and doesn't get changed on the BP instance when changing NumCustomDataFloats, possibly causing out of bounds array access leading to a crash. Possible sol ...

Multiple water body blend modes produce unexpected results

Animation tracks reset to ref pose when editing actor properties.

Editing an actor's properties in a sequence causes the animation to go to ref pose. ...

open asset in editor crash (Objects have the same fully qualified name but different paths)

in 4.27 open this asset could not crash ,but 5.0.2 could get crashed ...

Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible

This is a regression tested in //UE4/Release-4.27 CL 18319896 Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible. ...

Screen Percentage does not behave correctly with SceneDepth Post Processing

This is a regression tested in //UE4/Release-4.27 CL18319896 Screen Percentage does not behave correctly with SceneDepth Post Processing.  ...

World Partition causes client to disconnect from dedicated server

When using connecting to a World Partition level on a dedicated server the client get's disconnected immediately. I tested this with a non WP level and the client connected with no issues. I've inc ...

3D Transformation Widget Unusable at Very Large Scales

When using a Transformation Widget in a Blueprint, the size of the widget seems to be some kind of product of size in screen space, object scale, and the transform widget scale that makes it much to ...

Child component reports Parent during On Hit events instead of itself

This is a regression tested in //UE4/Release-4.27 cl18319896 Child collision component reports its' Parent during On Hit events instead of itself.  ...