Issues

• slots declared on attrs-decorated class are ignored/lost

  python-attrs/attrs#1637 · Filter by author couteau opened on Oct 2, 2026

• Docs: attrs.filters is missing stated examples

  python-attrs/attrs#1627 · Filter by author elliot-100 opened on Sep 24, 2026

• Looking to Contribute - What Should I Work On?

  python-attrs/attrs#1620 · Filter by author Aadhithyavarman-Techan opened on Sep 7, 2026

• Incorrect annotation for forward reference in generated constructor

  python-attrs/attrs#1596 · Filter by author jjudas-resistant opened on Jul 28, 2026
  2

• Decorated functions do not work with inheritance

  python-attrs/attrs#1549 · Filter by author LecrisUT opened on Apr 27, 2026
  3

• Making third-party extensions a bit easier

  python-attrs/attrs#1543 · Filter by author LecrisUT opened on Apr 13, 2026
  2

• Expose cached property functions of slots classes via public API

  python-attrs/attrs#1532 · Filter by author clayote opened on Mar 19, 2026

• No way to make instances of different classes equal without rewriting __eq__() entirely

  python-attrs/attrs#1500 · Filter by author finite-state-machine opened on Jan 16, 2026
  1

• attr'd classes don't have default attributes?

  python-attrs/attrs#1477 · Filter by author m-u-xyz opened on Oct 10, 2025
  2

• Add utility to print source of attrs class.

  Feature
  python-attrs/attrs#1472 · Filter by author ShaiAvr opened on Sep 13, 2025
  3

• Support 3.14 annotations in converter functions

  Typing
  python-attrs/attrs#1470 · Filter by author DavidCEllis opened on Sep 10, 2025
  6

• __hash__ with custom __eq__

  python-attrs/attrs#1462 · Filter by author AdrianSosic opened on Aug 29, 2025
  2

• Extending attrs-generated __eq__

  python-attrs/attrs#1452 · Filter by author AdrianSosic opened on Jul 31, 2025
  3

• Add on_change similar to on_setattr, but called after updating the instance.

  python-attrs/attrs#1437 · Filter by author burnpanck opened on Jun 25, 2025
  8

• Can only populate attrs classes with _CountingAttr instances

  python-attrs/attrs#1424 · Filter by author redruin1 opened on Apr 6, 2025
  1

• Add **kwargs to validator function calls for more flexibility

  python-attrs/attrs#1421 · Filter by author redruin1 opened on Mar 26, 2025
  1

• Combine multiple classes

  Feature
  python-attrs/attrs#1392 · Filter by author dkrikun opened on Jan 5, 2025
  7

• Adding runtime_checkable to AttrsInstance

  Feature
  python-attrs/attrs#1388 · Filter by author ryan-minato opened on Dec 23, 2024
  1

• Pylance doesn't recognise attributes obtained from fields

  PyrightTyping
  python-attrs/attrs#1361 · Filter by author my1e5 opened on Oct 23, 2024
  2

• self.__attrs_init__ doesn't play well with pylance/pyright

  PyrightTyping
  python-attrs/attrs#1360 · Filter by author kevinleahy-switchdin opened on Oct 18, 2024
  1

• Passing arguments to __attrs_init_subclass__

  Feature
  python-attrs/attrs#1335 · Filter by author tartopohm opened on Aug 13, 2024
  4

• distinguish a class that inherits from an attrs class from a true (decorated) attrs class

  python-attrs/attrs#1334 · Filter by author Darkdragon84 opened on Aug 12, 2024
  4

• cached_property in slotted classes doesn't work if overridden in child class

  python-attrs/attrs#1333 · Filter by author Hnasar opened on Aug 9, 2024
  1

• slots + cached_property + sphinx

  python-attrs/attrs#1325 · Filter by author AdrianSosic opened on Aug 4, 2024
  10

• Adding docstrings to classes created with make_class

  Feature
  python-attrs/attrs#1309 · Filter by author znichollscr opened on Jul 19, 2024
  7