Iterator Sequencing will ship in Firefox 147, not 146 as originally planned.
On Tue, Oct 14, 2025 at 10:52 AM Daniel Minor <[email protected]> wrote: > As of Firefox 146, I intend to enable the Iterator Sequencing proposal by > default on all platforms. It is currently available in Nightly builds, but > disabled by default and controlled by the ` > javascript.options.experimental.iterator_sequencing` preference. The > proposal adds a new `Iterator.concat` method that builds an iterator over > its iterable arguments. Our implementation was contributed by André > Bargull, thank you! > > The proposal reached Stage 3 of the TC39 process at the July 2025 plenary, > Safari shipped their implementation in 18.4 ( > https://developer.apple.com/documentation/safari-release-notes/safari-18_4-release-notes), > work does not appear to have started in Chromium ( > https://issues.chromium.org/issues/434977727). > > Bug to turn on by default: > https://bugzilla.mozilla.org/show_bug.cgi?id=1986672 > > Standard: https://github.com/tc39/proposal-iterator-sequencing > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAC_Rxa59y5GMEx0er_d9Lgs4geaJvh5B8PDGhmd00P4Dj%2B%2Bt%2BQ%40mail.gmail.com.
