Unreal Engine Issues

High bandwidth usage on listen servers, even with bare minimum replication

UDN user claims that in an empty level, when using a listen server, bandwidth is higher than expected - ~5.5KB/sec for two connections, and appears to be framerate dependent. Has posted screenshots ...

nDisplay: can't read cfg file with spaces in the path

Widget blueprint details panel appears to jitter when dragging widgets in the designer tab

When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...

Sphere traces where Start and End locations are the same are not triggering any hits

This has changed since 4.21, AOE attacks are not being registered. Paulo S took a look and determined that this is an engine bug: Happens with any radius based attack. What I found is that any Sphe ...

Splash Screen disappears too quickly on Mobile resulting in a long black screen before game starts

A user has reported that the Splash screen for Mobile games does not last as long as it did in previous versions, resulting a longer black screen before the initial map loads. Regression?: Yes This ...

Attempting to set a new PIE window to Windowed Fullscreen mode causes both the new PIE window and the original Editor window to freeze and stop accepting input

When starting PIE in a New Editor Window on a Mac, the both the new window and original Editor window will freeze and stop responding to inputs if an attempt is made to change the window to Windowed ...

Unable to change Blueprint Child Variable values in Python

Using the Python function unreal.SystemLibrary.set_bool_property_by_name() to change the default variable values of a child Blueprint do not work as intended. Tested in 4.20.3 (CL - 4369336), 4.21. ...

APEX Plugin - Destructible Mesh creation no longer creates/assigns Mesh Material

Destructible mesh material creation no longer creates/assigns DM array element with material from mesh. Workaround: Assign material manually after creating Destructible mesh Confirmed in MAIN @ CL ...

Variant manager resets Material Properties Values to default

When creating a new Material property for an actor in a variant set, you can change the value of it, but it resets to the default material of the mesh as soon as you move on to another actor in the ...

Structures get broken after saving and reopening project

When a project is reopened that contains structures, they will be corrupted with a hash code instead of their original values. If the "Break Struct" node is removed it can't be re added as it is not ...