| Contributor | PR | Description |
| :-- | :-- | :-- |
| Anderson Frailey | 1257 | Add MTR with respect to spouse earnings |
| Martin Holmer | 1265 | Add tax differences table to Tax-Calculator CLI --tables output |
| Peter Steinberg | 1198 | Add testing for notebooks, starting with the behavior_example and 10-min notebooks |
| Matt Jensen | 1277 | Update Jupyter Notebooks to demonstrate the latest Python API |
| Matt Jensen | 1278 | Enable the charitable givings elasticity to vary by AGI bin |
| Zach Risher | 1179, 1285 | Introduce records_variables.json, a single source of truth for records variables |