Issues

• docs(cookbook): add missing values strategy and imputation cookbook guide

  documentationgood first issue
  FreshCode-Org/freshdata#513 · Filter by author JohnnyWilson16 opened on Oct 1, 2026

• feat(validation): add context-aware postal code validators for UK, Canada, and Germany

  enhancementgood first issue
  FreshCode-Org/freshdata#512 · Filter by author JohnnyWilson16 opened on Oct 1, 2026

• Add unit tests for unicode whitespace and zero-width spaces in sentinel normalization

  good first issue
  FreshCode-Org/freshdata#498 · Filter by author JohnnyWilson16 opened on Sep 20, 2026

• Clarify FallbackError exception handling and error codes in fallback matrix documentation

  documentationgood first issue
  FreshCode-Org/freshdata#497 · Filter by author JohnnyWilson16 opened on Sep 20, 2026

• Add DuckDB partitioned Parquet cleaning and export recipe

  examplesgood first issue
  FreshCode-Org/freshdata#495 · Filter by author JohnnyWilson16 opened on Sep 20, 2026
  2

  

• _knn_fill repeats the raw-corrwith pattern fixed in #464 and crashes on py3.9

  FreshCode-Org/freshdata#470 · Filter by author kevincostner17 opened on Sep 16, 2026

• Native engines silently drop pandas extension dtypes (Int64 -> int64, string -> object) with nothing in backend_differences

  FreshCode-Org/freshdata#465 · Filter by author kevincostner17 opened on Sep 16, 2026

• engine="polars" drops all rows of a zero-column frame

  FreshCode-Org/freshdata#463 · Filter by author kevincostner17 opened on Sep 16, 2026

• engine="polars"/"duckdb" skip whitespace stripping and sentinel normalization on categorical columns

  FreshCode-Org/freshdata#456 · Filter by author kevincostner17 opened on Sep 16, 2026