Release 0.5.0 (2026-03-25)

This release updates taxdata for the February 2026 CBO baseline.

Release 0.4.0 (2025-09-08)

This release updates taxdata for the August 2025 CBO baseline.

2021-07-20 (0.3.2)

This release fixes a bug in the 0.3 release. The only change is in PR #397.

2021-06-23 (0.3.1)

This release fixes a bug in the 0.3.0 release. The only change is from PR #395.

2021-06-17 (0.3.0)

The changes in this release are:

• Fixes a bug that caused non-filers to have a weight of zero (#387)
• Switched the stage 2 linear programming model to Tulip (#393)
• Updates to the February 2020 CBO projections (#394)

All other merged PRs between this release and the last are related to documentation.

2021-01-14 (0.2.0)

The changes in this release are:

• Automate creating reports for summarizing updates (#349)
• Automate CBO data updates (#349)
• Rewrite our stage 2 linear programming model in Julia (#351)
• update CBO baseline calculations to use 2020 OASI Annual Trustees Report (#359)
• Refactor to reduce duplicate code, simplify repo structure, usage, and contributing (#367)
• Update SOI estimates to 2017 data (#369)
• Partially automate SOI estimate updating (#369)

0.1.0 (2020-08-18)

This release corresponds with Tax-Calculator PR #2444.
The changes included are:

1. Create the CPS file using Python rather than SAS (#314)
2. Replace nu05 with nu06 (#329)
3. Update to January 2020 CBO economic projections and extend projections to 2030 (#331)
4. Adjust January 2020 CBO economic projections for COVID-19 (#339)
5. Add support for creating tax unit files from the 2016, 2017, and 2018 CPS March supplements
6. Change internal logic of CPS tax unit creation process to use dictionaries to parse the raw .DAT files instead of creating a new Python file for each year (#345)

SAS based taxdata

This release is to maintain a history of the version of taxdata where we produced the CPS file with the SAS code included.