| C | ↘ | D | amd.compare got worse | 
| ⇢ | A | amd.compare._unwrap_pset_list() added | |
| ⇢ | A | amd.periodicset.PeriodicSet._equal_cell_and_motif(... added | |
| ⇢ | A | amd.compare._unwrap_refcode_list() added | |
| A | ↘ | B | amd.periodicset.PeriodicSet.__str__() got worse | 
| D | ↘ | F | amd.io.CSDReader.__init__() got worse | 
| C | ↛ | amd.compare._extract_periodicsets() removed | |
| A | ↛ | amd.periodicset.PeriodicSet.__eq__() removed | |
| A | ↛ | amd.periodicset.PeriodicSet.__ne__() removed | |
| A | ↛ | amd.compare._unwrap_periodicset_list() removed |