If the preference is `privacy.spoof_english`, then no. What would the expected behaviour be in this case? The new APIs allow querying any provided Locale, not just specifically the user's Locale, so offhand, I wouldn't expect the pref to change the behaviour.
On Mon, Jun 1, 2026 at 7:01 PM Tom Ritter <[email protected]> wrote: > Do we have tests that ensure this respects the locale spoofing preference? > > On Wed, May 27, 2026, 2:20 PM 'Daniel Minor' via [email protected] > <[email protected]> wrote: > >> As of Firefox 153, I intend to turn Intl.LocaleInfo on by default. It has >> been developed behind the >> javascript.options.experimental.intl_locale_info preference. Our >> implementation was contributed by André Bargull, thanks Anba! >> >> Summary: >> Intl.LocaleInfo adds locale-specific information APIs to Intl.Locale, >> including week data, text direction, hour cycle, calendars, collations, >> numbering systems, and measurement systems. This improves interoperability >> and enables web developers to build better locale-aware experiences without >> relying on CLDR data. >> >> Bug to turn on by default: >> https://bugzilla.mozilla.org/show_bug.cgi?id=2037069 >> >> Specification: >> https://github.com/tc39/proposal-intl-locale-info >> >> Standards Body: >> TC39 >> >> Platform Coverage: >> All >> >> Preference: >> javascript.options.experimental.intl_locale_info >> >> DevTools Bug: >> N/A >> >> Extensions Bug: >> N/A >> >> Use Counter: >> N/A >> >> Standards-Positions Discussion: >> N/A >> >> Other Browsers (according to MDN compatibility data): >> >> - Blink: Chromium 130 >> - WebKit: Safari 17 >> >> web-platform-tests: >> Covered by Test262, e.g. >> https://github.com/tc39/test262/tree/main/test/intl402/Locale/prototype. >> >> -- >> 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_Rxa6B4Y%3DN07d-EjB2B6nE5jEs5%3D0Sy8%2BG-7vkVCq__EkqNQ%40mail.gmail.com >> <https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAC_Rxa6B4Y%3DN07d-EjB2B6nE5jEs5%3D0Sy8%2BG-7vkVCq__EkqNQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- 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_Rxa5BBfcdSUq7EaxEAw9u%3DYbQJBfXH_g6k2zw7%2Bnbpw5KrA%40mail.gmail.com.
