| A | ↘ | B | InternalServer got worse | 
| ⇢ | B | AddressSpace.load_cache() added | |
| ⇢ | A | AddressSpace.make_cache() added | |
| ⇢ | A | Server.dehistorize_node_event() added | |
| ⇢ | A | Server.historize_node_event() added | |
| ⇢ | A | Server.dehistorize_node_data_change() added | |
| ⇢ | A | Server.historize_node_data_change() added | |
| B | ↗ | A | AddressSpace.load() improved | 
| A | ↘ | B | InternalServer.load_standard_address_space() got worse | 
| A | ↛ | Server.historize_node() removed | |
| A | ↛ | Server.dehistorize_node() removed |