| ⇢ | A | zipline.pipeline.data._BoundColumnDescr added | |
| A | ↘ | F | tests.risk.TestRisk got worse | 
| ⇢ | B | zipline.finance.performance.PositionTracker.stats(... added | |
| ⇢ | A | zipline.pipeline.data._BoundColumnDescr.__get__() added | |
| ⇢ | A | zipline.pipeline.data._BoundColumnDescr.__init__() added | |
| B | ↗ | A | zipline.pipeline.filters.unary_operator() improved | 
| B | ↗ | A | zipline.finance.risk.information_ratio() improved | 
| B | ↗ | A | tests.risk.TestRisk.setUp() improved | 
| B | ↗ | A | tests.TestMiscellaneousAPI.handle_data() improved | 
| A | ↘ | B | tests.risk.TestRisk.test_algorithm_volatility_06() got worse | 
| C | ↗ | A | zipline.examples.analyze() improved | 
| B | ↛ | zipline.finance.performance.calc_position_stats() removed |