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Pull requests: tc39/ecma262
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Editorial: allow [[AsyncEvaluationOrder]] to have any value when errored
editorial change
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
spec bug
#3787
opened Mar 30, 2026 by
nicolo-ribaudo
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Editorial: remove vestigial mention of ReturnIfAbrupt
editorial change
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
#3784
opened Mar 30, 2026 by
michaelficarra
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Meta: Add "preview" to PR preview comment text
meta
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
#3783
opened Mar 29, 2026 by
gibson042
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Editorial: apply a whimsical font on a whimsical day
editorial change
#3782
opened Mar 29, 2026 by
michaelficarra
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Editorial: Properly capitalize Abstract Closure for autolinking
editorial change
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
#3781
opened Mar 28, 2026 by
gibson042
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Editorial: manually adjust table column widths for better balance
editorial change
#3779
opened Mar 27, 2026 by
michaelficarra
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Editorial: allow more generic use of throw shorthand in algorithm steps
editorial change
#3778
opened Mar 27, 2026 by
michaelficarra
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Editorial: update description of enum denotation
editorial change
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
#3777
opened Mar 27, 2026 by
michaelficarra
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Normative: use Numbers instead of reals as counters in Iterator builtins
needs consensus
This needs committee consensus before it can be eligible to be merged.
needs test262 tests
The proposal should specify how to test an implementation. Ideally via github.com/tc39/test262
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
web reality
#3776
opened Mar 26, 2026 by
michaelficarra
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Editorial: align on ~namespace~ for ImportEntry, ExportEntry and ResolvedBinding
editorial change
#3775
opened Mar 24, 2026 by
guybedford
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Editorial: Define length of built-in accessor functions
editorial change
#3770
opened Mar 18, 2026 by
nicolo-ribaudo
•
Draft
Normative: Do not read from empty [[CycleRoot]] in GatherAvailableAncestors
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
spec bug
#3769
opened Mar 18, 2026 by
nicolo-ribaudo
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Normative: add Temporal
has stage 4
This PR represents a proposal that has achieved stage 4, and is ready to merge.
has test262 tests
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
proposal
This is related to a specific proposal, and will be closed/merged when the proposal reaches stage 4.
#3759
opened Feb 16, 2026 by
ptomato
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Editorial: Move module TopLevelCapability check inside if
#3742
opened Jan 15, 2026 by
nicolo-ribaudo
•
Draft
Layering: Revamp InitializeHostDefinedRealm
layering
affects the public spec interface and may require updates to integrating specs
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
#3728
opened Nov 24, 2025 by
jmdyck
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Normative: Extend JSON.parse and JSON.stringify for interaction with the source text of primitive values
has stage 4
This PR represents a proposal that has achieved stage 4, and is ready to merge.
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
proposal
This is related to a specific proposal, and will be closed/merged when the proposal reaches stage 4.
ready to merge
Editors believe this PR needs no further reviews, and is ready to land.
#3714
opened Nov 7, 2025 by
gibson042
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Normative: PromiseResolve check proto instead of constructor
needs consensus
This needs committee consensus before it can be eligible to be merged.
needs test262 tests
The proposal should specify how to test an implementation. Ideally via github.com/tc39/test262
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
#3689
opened Sep 11, 2025 by
mhofman
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Editorial: add a note about synchronicity of SyntheticModule Evaluate
#3640
opened Jul 9, 2025 by
legendecas
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Editorial: Use the dfs stack instead of [[DFSAncestorIndex]]
#3637
opened Jul 4, 2025 by
nicolo-ribaudo
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Editorial: dedupe and isolate modules traversal logic
#3635
opened Jul 3, 2025 by
nicolo-ribaudo
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Editorial: Make better use of ValidateTypedArray
editorial change
#3634
opened Jul 1, 2025 by
gibson042
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Editorial: Cleanup some ArrayBuffer/TypedArray/DataView/Atomics text
#3629
opened Jun 24, 2025 by
gibson042
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Normative: Add missing function name for Iterator.prototype[Symbol.toStringTag] accessors
needs consensus
This needs committee consensus before it can be eligible to be merged.
needs test262 tests
The proposal should specify how to test an implementation. Ideally via github.com/tc39/test262
normative change
Affects behavior required to correctly evaluate some ECMAScript source text
#3621
opened Jun 11, 2025 by
anba
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