This proposal achieved stage 3 at the May 2023 meeting. This is a tracking issue for getting stage 4. - [x] committee consensus - [x] open PR to the spec - [PR](https://github.com/tc39/ecma262/pull/3532) - [x] editors have approved the PR - [x] write test262 tests - [issue](https://github.com/tc39/test262/issues/3828), [PR](https://github.com/tc39/test262/pull/4017) - [x] merge test262 tests - [x] at least two implementations - [x] JavaScriptCore - [issue](https://bugs.webkit.org/show_bug.cgi?id=257022), [PR](https://github.com/WebKit/WebKit/pull/30732), shipping in [18.2](https://developer.apple.com/documentation/safari-release-notes/safari-18_2-release-notes) - [x] V8 - [issue](https://bugs.chromium.org/p/v8/issues/detail?id=14012), shipping in [135](https://chromestatus.com/feature/5164400693215232) - [x] SpiderMonkey - [issue](https://bugzilla.mozilla.org/show_bug.cgi?id=1833646) (shipped in [129](https://www.mozilla.org/en-US/firefox/129.0/releasenotes/)) - [x] significant in-the-field experience
This proposal achieved stage 3 at the May 2023 meeting. This is a tracking issue for getting stage 4.