| A | ↛ | QueueFactory removed | |
| A | ↛ | Queue removed | |
| A | ↛ | Queue removed |
| ⇢ | A | Worker::task() added | |
| ⇢ | A | Worker::isInProgress() added | |
| A | ↘ | B | Container::results() got worse |
| B | ↘ | C | Container::forkWorker() got worse |
| A | ↛ | QueueFactory::createQueue() removed | |
| A | ↛ | Queue::enqueue() removed | |
| A | ↛ | Queue::dequeue() removed | |
| A | ↛ | Queue::enqueue() removed | |
| A | ↛ | Queue::dequeue() removed | |
| A | ↛ | QueueFactory::__construct() removed | |
| A | ↛ | QueueFactory::createTaskQueue() removed | |
| A | ↛ | QueueFactory::createResultQueue() removed | |
| A | ↛ | Container::dequeue() removed | |
| A | ↛ | Worker::done() removed |