| ⇢ | A | distance_metric added |
| ⇢ | C | distance_metric.__call__() added | |
| ⇢ | A | minkowski_distance() added | |
| ⇢ | A | distance_metric.__get() added | |
| ⇢ | A | distance_metric.__init__() added | |
| B | ↗ | A | chebyshev_distance() improved |
| B | ↗ | A | manhattan_distance() improved |
| B | ↛ | calculate_metric() removed |