| B | ↘ | C | zipline.finance.performance.PerformancePeriod got worse | 
| ⇢ | A | zipline.finance.performance.PerformancePeriod._get... added | |
| ⇢ | A | zipline.finance.performance.calc_payout() added | |
| B | ↗ | A | zipline.utils.get_early_closes() improved | 
| A | ↘ | B | zipline.finance.performance.PerformancePeriod.hand... got worse | 
| B | ↘ | C | zipline.pipeline.filters.binary_operator() got worse | 
| B | ↘ | C | zipline.pipeline.factors.binary_operator() got worse | 
| A | ↛ | tests.TestPositionTracker.test_update_last_sale() removed |