Pull requests: tc39/test262

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docs: stop claiming python 2

#5132 opened Sep 10, 2026 by bakkot Member

CI table improvements

#5129 opened Sep 3, 2026 by ptomato Member

Test First Day Overrides algorithm in Intl.Locale.p.getWeekInfo awaiting consensus

#5128 opened Sep 2, 2026 by ptomato Member

Don't append Unicode extensions to a default locale that already has one

#5126 opened Sep 2, 2026 by jessealama Contributor

The default locale should not contain a Unicode extension sequence awaiting author

#5125 opened Sep 2, 2026 by jessealama Contributor

Add Intl.NumberFormat tests for significant-digit rounding into the next magnitude needs review

#5124 opened Sep 2, 2026 by jessealama Contributor

Tests for Thenable-curtailment needs review

#5123 opened Sep 1, 2026 by mgaudet

Correct block-decl-func-skip-arguments for the current FunctionDeclarationInstantiation

#5112 opened Aug 20, 2026 by lahma Contributor

Add a test for an abrupt completion when getting "flags" property in String.prototype.matchAll needs review

#5111 opened Aug 19, 2026 by Koreangung15

Add a test for abrupt completion from the target's length getter in Function.prototype.bind needs review

#5110 opened Aug 19, 2026 by Koreangung15

Add return abrupt from LengthOfArrayLike in toLocaleString needs review

#5109 opened Aug 18, 2026 by Koreangung15

Temporal: Test Duration.prototype.{round,total} with zoned property bags -> out-of-epoch-range awaiting author

#5107 opened Aug 17, 2026 by MidnightDesign Contributor

@ptomato

Atomics: Test RevalidateAtomicAccess with barely-too-short ArrayBuffers needs review

#5106 opened Aug 16, 2026 by gibson042 Member

Add template literal tests for supplementary-plane unicode escape sequences needs review

#5105 opened Aug 13, 2026 by hexbinoct Contributor

Increase coverage of iterator helpers on abrupt completion needs review

#5099 opened Jul 31, 2026 by saghul Contributor

add tests for various ArrayBuffer methods not consulting constructor needs review

#5098 opened Jul 28, 2026 by bakkot Member

Add Temporal duration and DateTimeFormat regression coverage awaiting author

#5097 opened Jul 27, 2026 by arshaw Contributor

@ptomato

Add tests for iterator close semantics of Array.fromAsync needs review

#5095 opened Jul 24, 2026 by littledivy

[error-code-property] Add tests for Error code property needs review

#5089 opened Jul 20, 2026 by jasnell

Add tests for abrupt completion of the then call in NewPromiseResolveThenableJob needs review

#5078 opened Jul 2, 2026 by alii

Test for selected outputs of Intl.Locale.prototype.getNumberingSystems has consensus

#5067 opened Jun 3, 2026 by ptomato Member

[export-defer] Add tests for error propagation awaiting stage 2.7 needs review

#5055 opened May 16, 2026 by caiolima Contributor

@nicolo-ribaudo

[export-defer] Add tests for evaluation order awaiting stage 2.7 needs review

#5052 opened May 14, 2026 by caiolima Contributor

@nicolo-ribaudo

Add decorator tests

#5048 opened May 10, 2026 by bennypowers

Temporal: Add tests for duration rounding edge case near +24h UTC shift

#5044 opened May 6, 2026 by ptomato Member • Draft

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