v2.7.2

What's Changed

• Port R did package tests, fix not_yet_treated bugs by @igerber in #207
• Comprehensive documentation review and update by @igerber in #206
• Rename TROP method="twostep" to method="local" by @igerber in #209
• Add SEO infrastructure and AI discoverability by @igerber in #210
• Fix navbar header overlap and improve docs navigation by @igerber in #212
• Release v2.7.2 by @igerber in #211

Full Changelog: v2.7.1...v2.7.2

v2.7.1

What's Changed

• Mark slow tests and exclude by default for faster local iteration by @igerber in #201
• Add EfficientDiD v2.7 LinkedIn carousel by @igerber in #203
• Fix CallawaySantAnna propensity score estimation (IRLS) by @igerber in #202
• Reduce TROP test time in pure Python CI by @igerber in #204
• Bump version to 2.7.1 by @igerber in #205

Full Changelog: v2.7.0...v2.7.1

v2.7.0

What's Changed

• Fix CS event study SEs (missing WIF) + simultaneous confidence bands by @igerber in #189
• Update Codex AI review model to gpt-5.4 by @igerber in #193
• Fix overly strict AI PR review prompt causing excessive review cycles by @igerber in #196
• Document exact AI reviewer deviation label formats by @igerber in #197
• Add EfficientDiD estimator (Chen, Sant'Anna & Xie 2025) by @igerber in #192
• Add (1-W) weight masking to TROP global method by @igerber in #195
• Document estimator aliases for user discoverability by @igerber in #198
• Optimize CallawaySantAnna covariate path (5-19x speedup) by @igerber in #194
• Add EfficientDiD documentation and tutorial notebook by @igerber in #199
• Release v2.7.0 by @igerber in #200

Full Changelog: v2.6.1...v2.7.0

v2.6.1

What's Changed

• Fix continuous DiD tutorial formatting by @igerber in #180
• Add v2.6 LinkedIn carousel PDF by @igerber in #181
• Fix dollar sign escaping in continuous DiD tutorial by @igerber in #182
• Add ContinuousDiD to ReadTheDocs documentation by @igerber in #183
• Fix ContinuousDiD SE method: influence function, not delta method by @igerber in #184
• Add short aliases for all estimators by @igerber in #188
• Update roadmap for v2.6.0 by @igerber in #190
• Bump version to 2.6.1 by @igerber in #191

Full Changelog: v2.6.0...v2.6.1

v2.6.0

What's Changed

• Trim CLAUDE.md from 792 to 160 lines by @igerber in #175
• Add Stacked DiD tutorial (Tutorial 13) by @igerber in #174
• Fix stacked DiD tutorial: remove warning from trimming fix cell by @igerber in #176
• Add ContinuousDiD estimator (Callaway, Goodman-Bacon & Sant'Anna 2024) by @igerber in #177
• Bump version to 2.6.0 by @igerber in #179
• Add continuous DiD tutorial by @igerber in #178

Full Changelog: v2.5.0...v2.6.0

v2.5.0

What's Changed

• Add Stacked DiD estimator (Wing, Freedman & Hollingsworth 2024) by @igerber in #172
• Bump version to 2.5.0 by @igerber in #173

Full Changelog: v2.4.3...v2.5.0

v2.4.3

What's Changed

• Rewrite TripleDifference to match R's triplediff::ddd() by @igerber in #169
• Update TripleDifference summary table to reflect completed review by @igerber in #170
• Bump version to 2.4.3 by @igerber in #171

Full Changelog: v2.4.2...v2.4.3

v2.4.2

What's Changed

• Address tech debt from code reviews (PRs #115-#159) by @igerber in #165
• Clean up completed items from TODO.md and ROADMAP.md by @igerber in #166
• Add conditional platform BLAS linking for Rust backend by @igerber in #167
• Bump version to 2.4.2 by @igerber in #168

Full Changelog: v2.4.1...v2.4.2

v2.4.1

What's Changed

• Add tutorial notebook for Two-Stage DiD (Gardner 2022) by @igerber in #159
• Update TODO.md and ROADMAP.md for accuracy post-v2.4.0 by @igerber in #160
• Add matplotlib import guards to tutorials 11 and 12 by @igerber in #161
• Address TODO items: safe_inference migration, module splits, np.dot, and bug fixes by @igerber in #163
• Bump version to 2.4.1 by @igerber in #164

Full Changelog: v2.4.0...v2.4.1

v2.3.1

What's Changed

• SDID methodology review: rewrite to match R synthdid + Rust parallel variance by @igerber in #145
• Remove Rust outer-loop SDID variance to fix SE mismatch and perf regression by @igerber in #147
• Fix docs/PyPI version mismatch with versioned RTD builds by @igerber in #149

Full Changelog: v2.3.0...v2.3.1