Unreal Engine Issues

FGenericPlatformMemory::OnOutOfMemory should be broadcasting GetOutOfMemoryDelegate instead of GetMemoryTrimDelegate

Long paths are not supported in NET 4.5

The editor has been modified to support long file names, but the packaging pipeline (which is written in C#) needs to be upgraded to NET 4.6.2 to enable this. Without enabling it, it crashes with a ...

Utility functions in UEdGraph_ReferenceViewer are no longer exposed

A number of utility functions are provided in UEdGraph_ReferenceViewer for building menu extenders. This class was originally included in the engine as part of the ReferenceViewer module, but was re ...

Data table editor uses property names as column headings

The column names in the data table editor appear to directly use the property name instead of the "pretty" version of the property name. If the "DisplayName" meta specifier is used, though, that is ...

bPersistentLines is not respected by DrawDebugLine

It looks like the line's lifetime is forced to the default line lifetime of one second if the provided lifetime is less than zero, which would be the case if calling the function with just enough pa ...

Gameplay Tag Query using NoTagMatch expression does not construct DebugString properly

The code in GameplayTagContainer.cpp has code for generating debug strings representing tag queries. Compare the code in EmitTokens in all other queries to the code in UEditableGameplayTagQueryExpre ...

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh

Mesh is not displayed when duplicating Hierarchical Instanced Static Mesh. It is displayed by editing the Transform of Instances. This problem does not occur in 4.19. It seems to happen in 4.20 and ...

Multiple Steam NetConnections to a single session are recorded incorrectly during cleanup

When introduced with two Steam NetDrivers/NetConnections to the same user, instead of closing out the communications on a per channel basis, the entire session is removed from the connection list. T ...

Copy+Paste with custom widget seems to "break link" with default values

It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...

DPI Scale Rule set to custom can cause performance issues during design time

When setting the DPI Scale Rule to custom and using a named slot the frame rate of the editor will drop while zooming in and out of a widget that uses the widget containing the named slot. ...