| ⇢ | A | Sequenceable added | |
| B | ↗ | A | Arrayed improved |
| ⇢ | A | Sequenceable::contains() added | |
| ⇢ | A | Sequenceable::copy() added | |
| ⇢ | A | Sequenceable::unserialize() added | |
| A | ↛ | Arrayed::contains() removed | |
| A | ↛ | LinkedList::contains() removed | |
| A | ↛ | Arrayed::copy() removed | |
| A | ↛ | Arrayed::unserialize() removed | |
| A | ↛ | LinkedList::copy() removed | |
| A | ↛ | LinkedList::unserialize() removed |