| ⇢ | A | WhereClauseEvaluator added | |
| B | ↘ | D | Subscription got worse |
| ⇢ | C | WhereClauseEvaluator._eval_op() added | |
| ⇢ | C | WhereClauseEvaluator._eval_el() added | |
| ⇢ | A | Subscription._get_subtypes() added | |
| ⇢ | A | WhereClauseEvaluator.eval() added | |
| ⇢ | A | Subscription._where_clause_from_evtype() added | |
| ⇢ | A | Subscription._select_clauses_from_evtype() added | |
| ⇢ | A | WhereClauseEvaluator.__init__() added | |
| A | ↘ | B | MonitoredItemService.trigger_event() got worse |