| ⇢ | A | zipline.pipeline.factors.Returns added |
| ⇢ | B | tests.pipeline.FactorTestCase.test_returns() added | |
| ⇢ | A | zipline.pipeline.factors.Returns.compute() added | |
| B | ↗ | A | zipline.pipeline.factors.unary_operator() improved |
| A | ↘ | B | zipline.pipeline.factors.reflected_binary_operator... got worse |
| C | ↗ | B | zipline.pipeline.filters.binary_operator() improved |