Issues

• [Informative] Observable changes of Unicode 18

  unicode
  tc39/ecma262#3990 · Filter by author clin1234 opened on Oct 1, 2026
  1

• Bug: Link() and Evaluate() on synthetic module records should be idempotent

  spec bug
  tc39/ecma262#3989 · Filter by author nicolo-ribaudo opened on Sep 28, 2026

• Realm Record [[Intrinsics]] is ill-defined

  tc39/ecma262#3985 · Filter by author gibson042 opened on Sep 23, 2026
  5

• Should we prefer SDOs that handle multiple productions by branching on parse node presence?

  establishes editorial conventions
  tc39/ecma262#3954 · Filter by author gibson042 opened on Aug 20, 2026
  3

• Write in editorial conventions when type union in AOs uses either and when it doesn't

  establishes editorial conventions
  tc39/ecma262#3947 · Filter by author nicolo-ribaudo opened on Aug 11, 2026
  1

• Write editorial convention about when to use strings vs enums

  establishes editorial conventions
  tc39/ecma262#3941 · Filter by author nicolo-ribaudo opened on Aug 6, 2026
  1

• RevalidateAtomicAccess only bounds-checks the element's first byte, permitting an OOB atomic access

  spec bugweb reality
  tc39/ecma262#3924 · Filter by author sideshowbarker opened on Jul 24, 2026
  2

• handwavy error for duplicate private names

  tc39/ecma262#3920 · Filter by author bakkot opened on Jul 23, 2026

• <dfn> "essential internal methods"

  tc39/ecma262#3916 · Filter by author nicolo-ribaudo opened on Jul 16, 2026
  8

• reduce the complexity of for-each heads

  editorial changeestablishes editorial conventions
  tc39/ecma262#3906 · Filter by author michaelficarra opened on Jul 10, 2026
  3

• Add an HTML comment to copy&paste non-ASCII characters

  tc39/ecma262#3882 · Filter by author nicolo-ribaudo opened on Jun 2, 2026
  7

• Rename CreateNonEnumerableDataPropertyOrThrow

  tc39/ecma262#3873 · Filter by author nicolo-ribaudo opened on May 19, 2026
  4

• How should ParseText results be consumed?

  establishes editorial conventions
  tc39/ecma262#3868 · Filter by author gibson042 opened on May 17, 2026
  1

• How should inline source text be written?

  establishes editorial conventions
  tc39/ecma262#3862 · Filter by author gibson042 opened on May 15, 2026
  1

• BigInt(string) should accept input that represents an integer in exponential notation

  needs consensusnormative change
  tc39/ecma262#3856 · Filter by author gibson042 opened on May 13, 2026

• SetFunctionName should require internal consistency

  needs consensusnormative change
  tc39/ecma262#3851 · Filter by author gibson042 opened on May 9, 2026
  4

• Should we avoid mixing left-recursive and right-recursive grammar productions?

  tc39/ecma262#3835 · Filter by author gibson042 opened on Apr 17, 2026
  6

• model object properties as records

  tc39/ecma262#3804 · Filter by author michaelficarra opened on Apr 8, 2026
  1

• Iterator Helper Abstract Closures return Return Completions, violating 6.2.8

  tc39/ecma262#3799 · Filter by author arcde40 opened on Apr 6, 2026

• m.[[CycleRoot]] can be null in GatherAvailableAncestors

  tc39/ecma262#3766 · Filter by author allstarschh opened on Mar 16, 2026
  1

• Length of built-in accessor functions is not defined

  tc39/ecma262#3762 · Filter by author nicolo-ribaudo opened on Mar 5, 2026
  2

• clarify ambiguous nonterminal references in recursive productions using "the derived"

  establishes editorial conventions
  tc39/ecma262#3749 · Filter by author michaelficarra opened on Jan 28, 2026
  2

• audit table column widths

  tc39/ecma262#3747 · Filter by author michaelficarra opened on Jan 26, 2026

• Update copyright in 2024 and 2025 editions of html spec

  tc39/ecma262#3731 · Filter by author gesa opened on Dec 3, 2025
  4

• Incomplete edition descriptions

  tc39/ecma262#3699 · Filter by author linusg opened on Oct 3, 2025
  3