Jun 22–28, 2026 · 2 commits
Explicit resource management becomes part of the spec
This week added `using`/`await using`, disposable stacks, and `SuppressedError`, plus a cleanup refactor in async/generator control flow.
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Jun 15–21, 2026 · 4 commits
Spec preview warnings get PR-aware and easier to read
Preview warnings now link to PRs when possible, fall back more clearly to commits, and the spec got an editorial alias cleanup.
Read the issue →Jun 1–7, 2026 · 17 commits
Iterator zip and Atomics concurrency APIs land in ECMA-262
This week standardized iterator zipping, added Atomics pause/notify hooks, and clarified symbol registry and parsing semantics.
Read the issue →May 18–24, 2026 · 1 commits
Minor editorial clarification to UnicodeEscape wording
A small spec-only wording fix clarified UnicodeEscape parameter naming to avoid misleading auto-replacements.
Read the issue →May 11–17, 2026 · 2 commits
Editorial cleanup restores a legacy spec anchor
A quiet week with one editor-list markup fix and a restored legacy anchor to preserve old links in the spec.
Read the issue →May 4–10, 2026 · 6 commits
Spec refactors streamline conversions and execution contexts
This week cleaned up shared spec machinery for integer coercions and suspended contexts, plus a few snapshot and JSON editorial fixes.
Read the issue →Apr 27 – May 3, 2026 · 3 commits
Spec gets stricter on types and comparison semantics
A small editorial week that tightens abstract operation signatures and clarifies core comparison and shared-memory wording.
Read the issue →Apr 20–26, 2026 · 9 commits
Editorial sweep renames placeholders and sharpens spec wording
A broad editorial pass improved readability across ECMA-262, with clearer placeholders, tighter edge-case wording, and minor workflow/editorial cleanup.
Read the issue →Apr 6–12, 2026 · 19 commits
Module execution tightened and spec tooling bumped
Editorial cleanup focused on module context correctness, numeric conversion wording, and an ecmarkup upgrade, plus assorted spec clarifications.
Read the issue →Mar 30 – Apr 5, 2026 · 13 commits
JSON.parse reviver context lands, 2027 edition rolls over
JSON.parse gains source-text-aware reviver context, the spec advances to ECMAScript 2027, and editorial cleanup tightens algorithm wording.
Read the issue →Mar 23–29, 2026 · 5 commits
Minor spec clarifications and publishing hygiene
A quiet week: a couple of Promise/property descriptor wording clarifications plus biblio publishing and metadata cleanup.
Read the issue →Mar 16–22, 2026 · 4 commits
Spec markup refreshed with ecmarkup 24 upgrade
A broad editorial pass tagged built-in functions across the spec and updated the build tooling to ecmarkup 24.0.0.
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