Unreal Engine Issues

Updating Material does not update platform stats in derived Instance

It would seem that updating a material does not update the associated platform stats in a material instance editor, only the parameters. Can workaround by manually invoking shader compile in the ma ...

Skylight Leaking Tint in Reflection

From 5.6 onwards, Skylight Leaking is much stronger in reflections than in the world. Also tested on //UE5/Release-5.6, CL 45232827 ...

If "Disable low latency update" is set to false for vive controllers a line trace appears to lag behind

If "Disable low latency update" is set to false for vive controllers a line trace appears to lag behind the mesh of the vive controller. This makes it so that the line trace appears to bound and lag ...

When welding a procedural mesh component to a non-physics simulated static mesh that overlap they collide continuously

When attaching a Procedural Mesh Component with a copied static mesh to a static mesh component the two meshes collide and "push" each other (go flying on play). Weld is to be used for simulated ph ...

Blueprint class's property is overridden by parent blueprint class

I did some research. The problem is caused in CoreNative.cpp. In Function GetInstancedSubobject (Line 126) We should check if instance is runtime instance first. If it is runtime instance, just us ...

Selected tool using ScriptableTool might get closed when selecting an exposed property.

When using a created tool of the ScriptableTool plugin, and setting an InstanceEditable variable, the tool might get close. For this to happen, we need to have a ToolPropertySet attached to the too ...

Character jumping between two moving platforms will incorrectly inherit the sum of both platform velocities

A character standing in a base will match its velocity to the base's velocity. If that character jumps into another base its velocity will be added to the new base's velocity and the character will ...

UWorldPartitionSubsystem::IsStreamingCompleted returning the wrong query result when all cells and actors in location are in DataLayers

Context: Data Layers is a system within World Partition used to organize Actors both in the Editor and at runtime. It allows for the user to dynamically load and unload layers in the Editor to help ...

Android sessions do not appear in Session Frontend

FString.Mid doesn't react appropriately when given negative values for the Count variable

If you use a 5 character string (hello) to call the Mid function and provide 0 for start, -1 for count, it'll give you the entire string. This should either return an assert or treat all negatives a ...