So with the stack trace at, we found that is can happen that a RenderTask emits a signal after waking up other threads waiting for it which might have already destroyed it at that point. Hence we need to emit the signal before waking up people who might delete us....
So with the stack trace at, we found that is can happen that a RenderTask emits a signal after waking up other threads waiting for it which might have already destroyed it at that point. Hence we need to emit the signal before waking up people who might delete us....