Issues

• Invalid file error on reading a sas7bdat file created by vers7, win 95

  bugrequires changes in Readstatsolved on dev
  Roche/pyreadstat#340 · Filter by author stefanverbeeck opened on Jun 30, 2026
  4

• apply_value_formats=True produces mixed-type object columns that break to_parquet()

  wontfix
  Roche/pyreadstat#323 · Filter by author EwoutH opened on Mar 30, 2026
  1

• MRSETS not read

  enhancementrequires changes in Readstat
  Roche/pyreadstat#315 · Filter by author jttaggart opened on Nov 20, 2025
  5

• pyreadstat.read_sav won't work on databricks

  bughelp wanted
  Roche/pyreadstat#311 · Filter by author marcmaxson opened on Nov 3, 2025
  6

• Error reading non UTF-8 headers even after specifying encoding

  bugrequires changes in Readstatsolved on dev
  Roche/pyreadstat#298 · Filter by author alipatti opened on Jul 24, 2025
  13

• Improvements to reading in chunks and multiprocessing to speed up reading large files

  enhancement
  Roche/pyreadstat#285 · Filter by author gdementen opened on Apr 4, 2025
  7

• variable_display_width sets the Column value instead of Width value in sav metadata sheet using pyreadstat.write_sav()

  bugrequires changes in Readstat
  Roche/pyreadstat#280 · Filter by author kushal-s2c opened on Dec 13, 2024
  1

• pyreadstat not honoring format for strings longer than 255 bytes

  bugrequires changes in Readstat
  Roche/pyreadstat#267 · Filter by author maver1ck opened on Aug 19, 2024
  7

• Variable names get changed/curropted when saving 150,000 column pandas dataframe to pyreadstat

  bugrequires changes in Readstatsolved on dev
  Roche/pyreadstat#265 · Filter by author KevinCrossDCL opened on Jul 2, 2024
  3

• SPSS: variable_value_label becomes None if any string value is longer than 8 characters

  bugrequires changes in Readstat
  Roche/pyreadstat#264 · Filter by author wilfredrial opened on Jun 10, 2024
  1

• Feature Idea/Request: Reading and Writing Custom Attributes from SAV files

  enhancementrequires changes in Readstat
  Roche/pyreadstat#248 · Filter by author Ov-ille opened on Dec 8, 2023
  3

• Wrong alignment for SAV (SPSS) files and enhnace to read roles

  bugenhancementsolved on dev
  Roche/pyreadstat#246 · Filter by author lodonnel opened on Nov 15, 2023
  4

• Merge SPSS files, both data frame and metadata

  enhancement
  Roche/pyreadstat#133 · Filter by author pepcmarques opened on May 21, 2021
  8

• Reading and Writing of long String Variables from SPSS

  bugrequires changes in Readstat
  Roche/pyreadstat#119 · Filter by author Ov-ille opened on Mar 31, 2021
  17

• working with big spss files

  enhancementrequires changes in Readstat
  Roche/pyreadstat#79 · Filter by author AtanasAtanasovIpsos opened on Sep 21, 2020
  10