| A | ↘ | F | HistorySQLite got worse |
| ⇢ | B | HistorySQLite._get_select_clauses() added | |
| ⇢ | A | HistorySQLite._get_event_fields() added | |
| ⇢ | A | EventResult.get_field_variants() added | |
| ⇢ | A | HistorySQLite._check() added | |
| ⇢ | A | HistorySQLite._format_event() added | |
| ⇢ | A | HistoryManager.historize_event() added | |
| ⇢ | A | InternalServer.enable_event_history() added | |
| ⇢ | A | HistoryManager._read_event_history() added | |
| ⇢ | A | HistorySQLite._list_to_sql_str() added | |
| A | ↘ | B | HistorySQLite.new_historized_event() got worse |
| A | ↘ | B | HistorySQLite.save_event() got worse |
| A | ↘ | F | HistorySQLite.read_event_history() got worse |