| A | ↛ | RecurrenceValidator removed |
| A | ↘ | C | RecurrenceProvider::create() got worse |
| B | ↛ | RecurrenceValidator::validate() removed | |
| A | ↛ | RecurrenceProvider::setAttribute() removed | |
| A | ↛ | Recurrence::setFrequency() removed | |
| A | ↛ | Recurrence::setPeriodStartAt() removed | |
| A | ↛ | Recurrence::setCount() removed | |
| A | ↛ | Recurrence::setInterval() removed | |
| A | ↛ | Recurrence::setPeriodEndAt() removed | |
| A | ↛ | Recurrence::setConstraints() removed |