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Commits on Apr 19, 2026
Address thirty-third round of CI review findings on PR #318
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Address fifteenth round of CI review findings on PR #318
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Commits on Mar 20, 2026
Spring cleanup: bootstrap NaN-gating, mypy fixes, doc snippet hardening
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Commits on Feb 1, 2026
MultiPeriodDiD: full event-study specification with pre-period coefficients
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Commits on Jan 24, 2026
Filter normalization constraints from downstream consumers
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Commits on Jan 18, 2026
Address PR review feedback: fix bugs and add tests
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Fix tutorial notebook validation errors and add pre_periods parameter
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Commits on Jan 7, 2026
Fix reference period handling and documentation issues
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Add Pre-Trends Power Analysis (Roth 2022)
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