Unreal Engine Issues

Unable to set default of elements for an array of component references through blueprints

If a user creates an array to store references to a certain type of component, the existing components will not be available to be selected when they are setting the default values of the elements. ...

Crash upon opening a level that is parented to a Custom Level Script

The attached project will crash whenever attempting to load the default map which is parented to a custom level script made by the user. Note: This issue doesn't occur for all maps in the project. ...

Code based BT task breaks after closing/reopening the editor

A behavior tree task created in code will break in the editor behavior tree. The BTTask node shows as red and says that the class cannot be found. Node must be deleted and replaced to fix the erro ...

Using the Set console command to change a value at runtime causes a crash

When using the Set command to change the value of a class at runtime, the game instance will crash with an access violation. Note: This needs to be done in Standalone or a packaged version for this ...

Destructible does not return Hit Bone Name when using OnComponentHit Event

When using a Destructible Mesh in a bluprint and trying to return the Hit Bone Name will result in "none" being printed. However, using a simply line trace from the individual bone names from a frac ...

An InstancedStaticMesh component set to Stationary doesn't register overlaps

An InstancedStaticMesh component set to Stationary doesn't register overlaps. However, overlaps are registered on Static and Movable. There is also an issue where actors that start overlapped with ...

Unable To Add More Than One Element To Default Values For Maps In Blueprint

When adding new elements to a Map in blueprints it will return the error "Cannot add a new key to the map while a key with the default value exists". This is because it currently won't increment the ...

High framerates result in desyncs with clients when using a dedicated server.

When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...

Space Bar pressed event not received in Windowed mode

Parameterized Vector4 is treated as Float3

A Parameterized Vector4 are being treated as Float3. This prevents users from being able to use Vector4s in an If node during runtime. This is seen as far back as //UE4/Release4.22 cl 8065155 so th ...