Issues

• Lazy filter/validate plans contain absolute install paths causing serialized plans to differ between environments

  Quantco/dataframely#413 · Filter by author DavidMeesterQC opened on Oct 6, 2026
  2

• cast=True uses deprecated String → Datetime / Date casts (removed in polars 2.0)

  Quantco/dataframely#411 · Filter by author LeonDavidZipp opened on Oct 3, 2026
  1

• Expose validation errors

  Quantco/dataframely#402 · Filter by author datenzauberai opened on Sep 10, 2026
  3

• Adding sorted in dy.Column

  Quantco/dataframely#357 · Filter by author gab23r opened on Jun 29, 2026

• RFC: Declarative Foreign Keys for Collections

  Quantco/dataframely#309 · Filter by author haydena7 opened on Mar 28, 2026
  4

• Add foreign key validation in Collection

  Quantco/dataframely#295 · Filter by author gab23r opened on Mar 5, 2026
  3

• [Feature Request] Add support for clipping values during type enforcement

  Quantco/dataframely#273 · Filter by author svengiegerich opened on Feb 13, 2026
  5

• Get list of validation results for each rule/check?

  Quantco/dataframely#272 · Filter by author reinholdsson opened on Feb 8, 2026
  10

• Error on extraneous columns

  Quantco/dataframely#258 · Filter by author ion-elgreco opened on Jan 15, 2026
  4

• Nullable column missing fails validate(..., cast=True)

  Quantco/dataframely#253 · Filter by author mattijsdp opened on Dec 30, 2025
  3

• Sampling fails for columns of dtype Array(List(...), ...)

  bug
  Quantco/dataframely#243 · Filter by author jjurm opened on Dec 17, 2025
  

• Feature request - Support for filtering specific schemas for collection filter

  Quantco/dataframely#239 · Filter by author ereb2impact opened on Dec 10, 2025
  5

  

• RFC: Derived Columns

  Quantco/dataframely#237 · Filter by author brendancooley opened on Dec 9, 2025
  8

• Feature Request: Rule metadata

  Quantco/dataframely#208 · Filter by author danielcrane opened on Oct 28, 2025
  4

• Docs Request: "Features" page about the dy.Collection type

  Quantco/dataframely#162 · Filter by author DeflateAwning opened on Oct 6, 2025
  3

• Feature Request: Enhanced Soft Failure support

  Quantco/dataframely#122 · Filter by author raayu83 opened on Aug 12, 2025
  4

• Allow to pass through columns

  Feature

  Quantco/dataframely#100 · Filter by author pavelzw opened on Jul 18, 2025
  8

• Validation result is sometimes incorrect when using group rules

  Bug

  Quantco/dataframely#38 · Filter by author borchero opened on May 15, 2025
  3