Issues

• field_update silently ignores explicit falsy constants

  frictionlessdata/frictionless-py#1860 · Filter by author sunxiuguo opened on Oct 18, 2026

• Schema.write_cells delegates to field readers instead of writers

  frictionlessdata/frictionless-py#1855 · Filter by author xiehuanyi opened on Oct 14, 2026

• JSON geopoints cannot round-trip Decimal coordinates

  frictionlessdata/frictionless-py#1853 · Filter by author xiehuanyi opened on Oct 14, 2026

• Temporal fields with format any write the literal string any

  frictionlessdata/frictionless-py#1851 · Filter by author xiehuanyi opened on Oct 14, 2026

• Calendar writers emit years below1000 without required padding

  frictionlessdata/frictionless-py#1849 · Filter by author xiehuanyi opened on Oct 14, 2026

• Duration type does not support minimum, maximum, exclusiveMinimum and exclusiveMaximum constraints

  frictionlessdata/frictionless-py#1848 · Filter by author pierrecamilleri opened on Oct 14, 2026

• Default time and datetime writers discard microseconds

  frictionlessdata/frictionless-py#1846 · Filter by author xiehuanyi opened on Oct 14, 2026

• Yearmonth sequences bypass month range and component validation

  frictionlessdata/frictionless-py#1844 · Filter by author xiehuanyi opened on Oct 14, 2026

• Array item conversion mutates source lists and hides later validation errors

  frictionlessdata/frictionless-py#1842 · Filter by author xiehuanyi opened on Oct 14, 2026

• bug: invalid constraints in descriptor do not raise a FieldError

  frictionlessdata/frictionless-py#1841 · Filter by author pierrecamilleri opened on Oct 14, 2026

• Integer fields crash for large or nonfinite Decimal values

  frictionlessdata/frictionless-py#1838 · Filter by author xiehuanyi opened on Oct 13, 2026

• Geopoint fields accept NaN numeric coordinates

  frictionlessdata/frictionless-py#1836 · Filter by author xiehuanyi opened on Oct 13, 2026

• Date fields silently truncate nonzero datetime microseconds

  frictionlessdata/frictionless-py#1834 · Filter by author xiehuanyi opened on Oct 13, 2026

• Explicit pytest marker expressions fail before test execution

  frictionlessdata/frictionless-py#1829 · Filter by author ryanduguid opened on Oct 6, 2026

• Falsey field examples bypass schema validation

  frictionlessdata/frictionless-py#1825 · Filter by author qorud02 opened on Oct 1, 2026

• Basic support for categories (DPv2)

  frictionlessdata/frictionless-py#1814 · Filter by author jze opened on Sep 3, 2026
  1

• validate depends on file name

  frictionlessdata/frictionless-py#1813 · Filter by author jze opened on Sep 2, 2026
  1

• JSON syntax error should not pass validation

  frictionlessdata/frictionless-py#1811 · Filter by author peterdesmet opened on Aug 27, 2026
  4

• String field binary format accepts non-base64 values (b64decode called without validate=True)

  frictionlessdata/frictionless-py#1804 · Filter by author glaziermag opened on Aug 11, 2026

• Multipart CSV parsing corrupts rows when a file part lacks a trailing newline

  frictionlessdata/frictionless-py#1778 · Filter by author jdcc opened on May 15, 2026
  1

• frictionless[parquet] raises ModuleNotFoundError: pandas on first parquet read

  frictionlessdata/frictionless-py#1773 · Filter by author dsmedia opened on Apr 19, 2026

• Support for outputting optional data resource fields

  frictionlessdata/frictionless-py#1769 · Filter by author ialarmedalien opened on Apr 6, 2026
  4

• Bug: Pipeline.from_descriptor does not work for all steps

  frictionlessdata/frictionless-py#1764 · Filter by author wkoch-cfs opened on Jan 26, 2026
  1

• Support optional columns with default values during validation

  frictionlessdata/frictionless-py#1763 · Filter by author megin1989 opened on Jan 15, 2026
  1

• wrong error message when frictionless[excel] is not installed

  frictionlessdata/frictionless-py#1756 · Filter by author jze opened on Aug 25, 2025