Last year

Info

Reporting range: after Nov 4, 2025 through Nov 4, 2026 (inclusive), grouped by Asia/Shanghai daily update; data actually checked at Nov 4, 2026, 08:26 (Asia/Shanghai).

Detected	Change	Proposal
Oct 16, 2026, 06:55	Became inactive	Record & Tuple
Oct 16, 2026, 06:55	Added	Time Zone Canonicalization
Oct 16, 2026, 06:55	Became inactive	WeakRefs cleanupSome
Oct 16, 2026, 06:55	Became inactive	Sequence properties in Unicode property escapes
Oct 16, 2026, 06:55	Became inactive	RefCollection
Oct 16, 2026, 06:55	Added	Class fields, Private methods, and Static class features
Oct 16, 2026, 06:55	Became inactive	ArrayBuffer.prototype.transfer
Oct 16, 2026, 06:55	Became inactive	Getting last element of Array
Oct 16, 2026, 06:55	Became inactive	UUID
Oct 16, 2026, 06:55	Became inactive	Generic Comparison
Oct 2, 2026, 07:43	Stage changed: Stage 2.7 → Stage 3	Curtailing the power of "Thenables"
Oct 2, 2026, 07:43	Stage changed: Stage 1 → Stage 2.7	export all from
Oct 2, 2026, 07:43	Stage changed: Stage 2 → Stage 2.7	Deferred Re-exports
Oct 2, 2026, 07:43	Stage changed: Stage 1 → Stage 2	Bigint from exponential
Oct 2, 2026, 07:43	Stage changed: Stage 2 → Stage 2.7	JSON.parse options
Oct 2, 2026, 07:43	Stage changed: Stage 1 → Stage 2	Composites
Oct 2, 2026, 07:43	Added	Abort Controller
Oct 1, 2026, 07:32	Stage changed: Stage 3 → Stage 4	Iterator Includes
Oct 1, 2026, 07:32	Finished	Iterator Includes
Oct 1, 2026, 07:32	Stage changed: Stage 3 → Stage 4	Iterator Join
Oct 1, 2026, 07:32	Finished	Iterator Join
Oct 1, 2026, 07:32	Stage changed: Stage 3 → Stage 4	iterator chunking
Oct 1, 2026, 07:32	Finished	iterator chunking
Sep 24, 2026, 06:45	Stage changed: Stage 2 → Stage 2.7	Curtailing the power of "Thenables"

#Last year

Last year