PUDL v2026.4.0

PUDL is an application that must be installed from the repository using pixi.

Installation:

git clone https://github.com/catalyst-cooperative/pudl.git
cd pudl
git checkout v2026.4.0
pixi install

Data Release:

Data products generated by this release will be published separately to Zenodo
as well as s3://pudl.catalyst.coop/'v2026.4.0'.

Changes:

See Release Notes for details.

What's Changed

New & Updated Data

• Transform 3 additional RUS 7 tables by @e-belfer in #5087
• Add final rus tables by @aesharpe in #5091
• [chore] update Zenodo DOIs to latest record versions by @github-actions[bot] in #5155
• Integrate February 2026 860M data by @e-belfer in #5161

Other Changes

• Add empty release notes section for v2026.4.0 by @zaneselvans in #5093
• Make RUS-7 and RUS-12 output tables by @cmgosnell in #5077
• Fix null eqr columns by @zschira in #5085
• Make docs CI resilient to intersphinx outage by @zaneselvans in #5095
• feat: manage skills with npx skills tool by @jdangerx in #5105
• Polarize schema checks by @zschira in #5043
• Auto-update Zenodo DOIs in package data by @e-belfer in #5051
• Validate components sum to totals for row-level sub-components, validate RUS 7 and 12 tables by @e-belfer in #5073
• Fix PR creation to not overwrite branch by @e-belfer in #5110
• Move bulky FERC1 category dicts to YAML (#4989) by @andbusch in #5023
• Update EIA 757A column mapping to correctly rename columns by @e-belfer in #5107
• Separate data distribution from nightly builds by @jdangerx in #5016
• fix: trigger eel-hole deploy via GH workflow by @jdangerx in #5090
• Cleanup table metadata and stack for RUS tables by @e-belfer in #5125
• [chore] Remove unused and long-outdated .mypy.ini by @zaneselvans in #5129
• Set up Taplo for TOML formatting and linting by @zaneselvans in #5127
• Document PUDL entity resolution (harvesting) methodology by @zaneselvans in #5108
• Add more validations to newly added RUS tables, update metadata by @e-belfer in #5131
• Update eia861 dsm annual_cost and incentive_payment cols by @aesharpe in #5135
• Add docs-check and docs-linkcheck Pixi tasks by @zaneselvans in #5128
• Improve nightly build script readability and Slack reporting by @zaneselvans in #5134
• Fix mutable-default and validator bug in GridPathRAToolkitSettings by @zaneselvans in #5136
• feat: add secrets for Auth0 user management API to pudl_viewer by @jdangerx in #5126
• Fix misidentification of retiring generators in allocate_gen_fuel.py by @grgmiller in #4789
• Add release notes for PR 4789 by @zaneselvans in #5140
• Fix utilities mapped to multiple PUDL ids by @e-belfer in #5117
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #5144
• Switch to pydata sphinx theme by @krivard in #5057
• Update cites - March 2026 by @e-belfer in #5143
• Update duckdb intersphinx inventory URL by @krivard in #5149
• Integrate last 4 RUS tables by @cmgosnell in #5145
• Credit andbusch by @jdangerx in #5151
• Add a few missing validation tests by @aesharpe in #5138
• Switch from pre-commit to prek; add security pre-commit hooks by @zaneselvans in #5141
• Remove ecosystem survey banner by @krivard in #5168
• Fix access mode in data dictionary for aws for polars by @cmgosnell in #5171
• Update service account for usage metrics ETL with output bucket permissions by @krivard in #5169
• Expand usage metrics etl service account permissions by @krivard in #5173
• Close out release notes for PUDL V2026.4.0 by @zaneselvans in #5174

New Contributors

• @andbusch made their first contribution in #5023

Full Changelog: v2026.3.0...v2026.4.0