Issues

• Invoking a callback interface on a cross-origin Location or WindowProxy enters the other origin's realm

  whatwg/webidl#1640 · Filter by author shannonbooth opened on Sep 19, 2026

• Consider switching the default to [EnforceRange]

  whatwg/webidl#1629 · Filter by author twiss opened on Aug 20, 2026
  2

• Consider switching the default from optional dictionary members to required

  whatwg/webidl#1628 · Filter by author twiss opened on Aug 20, 2026

• Why did we rename async_iterable to async_sequence?

  whatwg/webidl#1611 · Filter by author lucacasonato opened on Jun 19, 2026
  1

• Is a function signature with a parameter type (DOMString or Interface) a footgun?

  whatwg/webidl#1604 · Filter by author saschanaz opened on Jun 11, 2026
  6

• Can we change promise resolution behaviour to reduce security issues

  whatwg/webidl#1584 · Filter by author mgaudet opened on Mar 27, 2026
  8

• Reconsider advice to leave dictionary members optional when dictionary is used solely as a return type

  whatwg/webidl#1567 · Filter by author weinig opened on Jan 31, 2026
  1

• Support syntax for specifying that an optional record<K, V> has a default value of an empty record<K, V>

  addition/proposalneeds implementer interest
  whatwg/webidl#1566 · Filter by author weinig opened on Jan 30, 2026
  9

• Is nullable dictionary member a footgun?

  whatwg/webidl#1565 · Filter by author saschanaz opened on Jan 29, 2026
  3

• When creating a global object the realm is not yet initialized

  whatwg/webidl#1547 · Filter by author annevk opened on Nov 28, 2025
  5

• Change enum syntax to reflect real constraints

  whatwg/webidl#1545 · Filter by author martinthomson opened on Nov 25, 2025
  1

• Parameter types that must be JSON serializable

  whatwg/webidl#1537 · Filter by author reillyeon opened on Nov 6, 2025
  3

• Legacy platform object [[Set]] inconsistent with default JavaScript [[Set]] behavior

  whatwg/webidl#1536 · Filter by author isheludko opened on Nov 3, 2025
  5

• ReadableStream.values().return(Promise) inconsistent with async generator behavior

  whatwg/webidl#1522 · Filter by author HansBrende opened on Sep 5, 2025

• Require a default value for optional dictionary member of another dictionary?

  whatwg/webidl#1511 · Filter by author saschanaz opened on Jul 30, 2025
  1

• Allow a separate getter/setter attribute pair

  addition/proposalneeds implementer interest
  whatwg/webidl#1506 · Filter by author saschanaz opened on Jul 19, 2025
  1

• Should a no-required-member dictionary argument always be optional regardless of its position?

  whatwg/webidl#1499 · Filter by author saschanaz opened on Jul 7, 2025
  2

• Specify best practices for sequence/FrozenArray/ObservableArray

  whatwg/webidl#1495 · Filter by author tabatkins opened on Jun 13, 2025
  4

• Expected behavior of SharedArrayBuffer with (BufferSource or DOMString) union type

  whatwg/webidl#1491 · Filter by author annevk opened on May 23, 2025

• Add [AllowImmutable] extended attribute for immutable array buffers and views

  addition/proposalneeds implementer interest
  whatwg/webidl#1487 · Filter by author anba opened on May 16, 2025
  2

• Mandate a default value for boolean dictionary members?

  whatwg/webidl#1485 · Filter by author saschanaz opened on Apr 24, 2025
  12

• Variable in step 9.2 of #wait-for-all should be renamed fulfillmentHandlerSteps

  whatwg/webidl#1470 · Filter by author farre opened on Feb 12, 2025
  1

• Accept iterable and async iterable in functions?

  addition/proposalneeds implementer interest
  whatwg/webidl#1461 · Filter by author twiss opened on Jan 6, 2025
  6

• Legacy platform objects' [[DefineOwnProperty]] refers to possibly nonexistent Desc.[[Value]]

  whatwg/webidl#1460 · Filter by author 0f-0b opened on Jan 5, 2025
  3

• Add a disposer keyword for disposal methods

  addition/proposalneeds implementer interest
  whatwg/webidl#1459 · Filter by author dead-claudia opened on Dec 22, 2024
  5