Unreal Engine Issues

[Some] Hot Keys do not Alert User that they have been already assigned.

Cannot bind event dispatchers between two blueprints that share a parent class

Cannot bind event dispatchers between two blueprints that share a parent class. This issue also occurs if you use the parent as a variable in the child. The bind event dispatcher seems to only take ...

Behavior Tree Service Deactivation is called after Blackboard Component is destroyed

When exiting PIE the Behavior Tree Service Deactivation is called after Blackboard Component is destroyed. ...

Re-parenting blueprint actors do not lose interfaces associated with their previous parent blueprint

Re-parenting blueprint actors do not lose interfaces associated with their previous parent blueprint. Interfaces and interface functions can no longer be deleted from the re-parented actor. ...

Player state on clients does not get set properly

When playing in Standalone with multiple characters there's the the chance that one of the player states does not get set and remains null. This is not a 100% repro case. Multiple tests may be req ...

UMG materials do not correctly access material parameter collections (all of the values are black)

Edit MattK: The reason they do not work is that material parameter collections are updated inside of a uworld that slate doesnt have access to. We just need to figure out a way to update the necess ...

Physics Constraint doesn't hold if one Component is used for constraint

Physics Constraint doesn't hold if one Component is used for constraint User Description: Hello, I recently updated the project from 4.7.6 to 4.8.2 and the physics constraint don't seem to work an ...

FirstPersonHUD blueprint does not work when the "FirstPersonBP" folder is renamed

If the FirstpersonBP folder is renamed for the first person project example the First Person HUD will no longer function. ...

Controller Input continues moving viewport camera after disconnecting

If a controller is plugged in before the editor is opened the viewport camera will start moving forward. If the controller is unplugged the camera will continue the controller input. Additionally, i ...

Fix rarely leaking Particle System Components

User has found an issue in which Anim Notifies, spawning particle system components that cannot ever render will leak the particle system component. The user has a working fix but it's likely not i ...