## Major Browsers - [x] JSC / Safari: JSC behind `--useIteratorIncludes=1` - https://bugs.webkit.org/show_bug.cgi?id=309883 - https://bugs.webkit.org/show_bug.cgi?id=310698 - [x] SpiderMonkey / Firefox: Enabled by default in Firefox 154 - https://bugzilla.mozilla.org/show_bug.cgi?id=2025773 - [x] V8 / Chrome: Nightly behind `--js-iterator-includes` - https://issues.chromium.org/issues/504886973 ## Other Engines - [x] Kiesel: Enabled by default in nightly - https://codeberg.org/kiesel-js/kiesel/issues/200 - [x] QuickJS NG: Enabled by default in [0.16.0](https://github.com/quickjs-ng/quickjs/releases/tag/v0.16.0) - https://github.com/quickjs-ng/quickjs/pull/1619
Major Browsers
--useIteratorIncludes=1--js-iterator-includesOther Engines