Issues

• Disconnected two-way fixed effects understate residual degrees of freedom in IID OLS

  py-econometrics/pyfixest#2007 · Filter by author johannes-schmieder opened on Oct 27, 2026

• PPML sandwich uses the preceding IWLS working state rather than the reported fitted mean

  py-econometrics/pyfixest#2006 · Filter by author johannes-schmieder opened on Oct 27, 2026

• Track fixest omitting the intercept from slope-only IV inference

  taskvarying-slopes
  py-econometrics/pyfixest#2004 · Filter by author s3alfisc opened on Oct 26, 2026

• Track fixest dropping the intercept of slope-only models in multiple estimation

  taskvarying-slopes
  py-econometrics/pyfixest#2003 · Filter by author s3alfisc opened on Oct 26, 2026

• Report fit statistics for models without coefficients

  bug
  py-econometrics/pyfixest#2002 · Filter by author s3alfisc opened on Oct 26, 2026

• GLMs fail with varying slopes on interacted fixed effects

  bugvarying-slopes
  py-econometrics/pyfixest#2001 · Filter by author s3alfisc opened on Oct 26, 2026

• IV-block interactions silently become exogenous controls

  py-econometrics/pyfixest#1995 · Filter by author s3alfisc opened on Oct 25, 2026

• Redundant instrument spelling changes first-stage diagnostics

  py-econometrics/pyfixest#1994 · Filter by author s3alfisc opened on Oct 25, 2026

• Binomial feglm reports convergence when a regressor quasi-separates the outcome

  buginference
  py-econometrics/pyfixest#1991 · Filter by author s3alfisc opened on Oct 24, 2026

• rwolf() and wyoung() lose draw alignment across models

  buginference
  py-econometrics/pyfixest#1968 · Filter by author s3alfisc opened on Oct 23, 2026

• Partial out exogenous regressors for effective F

  buginference
  py-econometrics/pyfixest#1963 · Filter by author s3alfisc opened on Oct 23, 2026
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• Fix decomposition when controls precede the focal variable

  bugpost-estimation
  py-econometrics/pyfixest#1961 · Filter by author s3alfisc opened on Oct 23, 2026

• Use consistent covariance and null centering in randomization-t

  buginferencepost-estimation
  py-econometrics/pyfixest#1960 · Filter by author s3alfisc opened on Oct 23, 2026

• Reject subtracting an IV block in formulas

  py-econometrics/pyfixest#1958 · Filter by author s3alfisc opened on Oct 23, 2026

• Remove the deprecated data argument of vcov()

  py-econometrics/pyfixest#1957 · Filter by author s3alfisc opened on Oct 21, 2026 · v0.80.0

• Align no-intercept IV identification checks with fixest

  py-econometrics/pyfixest#1941 · Filter by author s3alfisc opened on Oct 20, 2026

• Keep every fitted-model attribute public in v0.60.0 accessible in 0.70.0

  post-estimationtask
  Task

  py-econometrics/pyfixest#1927 · Filter by author s3alfisc opened on Oct 18, 2026 · v0.70.0
  

• Preserve custom preconditioner settings when refits rebuild the within preconditioner

  backendbug
  Bug

  py-econometrics/pyfixest#1926 · Filter by author s3alfisc opened on Oct 18, 2026 · v0.70.0
  

• Reuse escalated prebuilt adaptive preconditioners across OLS/IV siblings

  py-econometrics/pyfixest#1921 · Filter by author s3alfisc opened on Oct 18, 2026

• Align default categorical IV instrument coding with fixest when omitting the intercept

  py-econometrics/pyfixest#1917 · Filter by author s3alfisc opened on Oct 17, 2026

• Multiple estimation reuses cached contrast columns encoded on a different sample

  py-econometrics/pyfixest#1915 · Filter by author s3alfisc opened on Oct 17, 2026

• Decide whether predict() rejects unseen i() levels like fixest

  formulapost-estimation
  py-econometrics/pyfixest#1911 · Filter by author s3alfisc opened on Oct 16, 2026

• Support bin= in i() for pandas Categorical columns

  bugformula
  py-econometrics/pyfixest#1910 · Filter by author s3alfisc opened on Oct 16, 2026

• Validate i() ref and bin on the full data before split and refits

  py-econometrics/pyfixest#1908 · Filter by author s3alfisc opened on Oct 15, 2026

• Specification Curve --> py-econometrics?

  py-econometrics/pyfixest#1906 · Filter by author aeturrell opened on Oct 15, 2026
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