Unreal Engine Issues

Collision problem in nativized blueprint

Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...

GPU Particle Initial Color With Distribution Constant Curve Will Not Transition Between Points

GPU Particles will only use the first point of an Initial color module with Distribution set to Constant Curve. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.222 CL# 4768593 ...

Using "Select Actors using this Asset" in ActionRPG on some assets causes incorrect actor to be selected

Using the "Select Actors using this Asset" option in ActionRPG causes the InstancedFoilageActor to be selected incorrectly for many assets. It seems to occur with any assets that are being reference ...

Cross building UE4Editor from Windows to Linux has incorrect runtime dependencies on DSO's

Editor that was cross-built on Windows reportedly cannot start (using a Windows Subsystem for Linux or a VM). ...

Cannot access data table columns by property name in a nativized build if the table's row type is set to be a user-defined structure.

UDataTable::FindTableProperty() will currently fail in a nativized build because the RowStruct is no longer a UDS in that context; instead it is converted to a native UScriptStruct type. However, th ...

Event bind nodes, etc... do not have useful tooltips showing the comment from the underlying property

The tooltip for nodes like "Bind Event to <Foo>" is not very useful. Ideally it would include both a line about what the node does (e.g., "Bind an Event to the delegate named <foo>") as well as wha ...

Dynamic Delegate with Return Value can't be set with BP Function

BumpOffset Node Produces Incorrect Results When Texture Coordinate Index Is Not 0

When using the BumpOffset node, it will produce incorrect resultsi if the Texture Coordinate Index is not 0. Found in 4.20 CL# 4369336. 4.21 CL# 4613538, 4.22 CL# 4751672 ...

Niagara System User Parameters Resetting After Closing the Editor

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

Dragging a BP variable into a category can produce inconsistent results

The drag-onto-category operation is assigning the prettified category name, not the actual category name, resulting in variables that are not actually in the same category, even though they appear t ...