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Updates for Firefox 139 beta#26693

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caugner merged 3 commits intomdn:mainfrom
Elchi3:firefox-139-beta
May 6, 2025
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Updates for Firefox 139 beta#26693
caugner merged 3 commits intomdn:mainfrom
Elchi3:firefox-139-beta

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@Elchi3 Elchi3 commented May 2, 2025

The @openwebdocs BCD collector project v10.12.13 found new features shipping in Firefox 139 beta which was released this week. Currently, the collector covers about 90% of BCD, so the following list might not be exhaustive. Also, if a feature is in Firefox Nightly only, it is not considered here.

With this PR, BCD considers the following 208 features as shipping in Firefox 139:

  • api.CredentialsContainer.create.publicKey_option.extensions.largeBlob
  • api.CredentialsContainer.get.publicKey_option.extensions.largeBlob
  • api.Element.beforematch_event
  • api.HTMLDialogElement.requestClose
  • html.global_attributes.hidden.until-found
  • javascript.builtins.Date.toTemporalInstant
  • javascript.builtins.Temporal
  • javascript.builtins.Temporal.Duration
  • javascript.builtins.Temporal.Duration.Duration
  • javascript.builtins.Temporal.Duration.abs
  • javascript.builtins.Temporal.Duration.add
  • javascript.builtins.Temporal.Duration.blank
  • javascript.builtins.Temporal.Duration.compare
  • javascript.builtins.Temporal.Duration.days
  • javascript.builtins.Temporal.Duration.from
  • javascript.builtins.Temporal.Duration.hours
  • javascript.builtins.Temporal.Duration.microseconds
  • javascript.builtins.Temporal.Duration.milliseconds
  • javascript.builtins.Temporal.Duration.minutes
  • javascript.builtins.Temporal.Duration.months
  • javascript.builtins.Temporal.Duration.nanoseconds
  • javascript.builtins.Temporal.Duration.negated
  • javascript.builtins.Temporal.Duration.round
  • javascript.builtins.Temporal.Duration.seconds
  • javascript.builtins.Temporal.Duration.sign
  • javascript.builtins.Temporal.Duration.subtract
  • javascript.builtins.Temporal.Duration.toJSON
  • javascript.builtins.Temporal.Duration.toLocaleString
  • javascript.builtins.Temporal.Duration.toString
  • javascript.builtins.Temporal.Duration.total
  • javascript.builtins.Temporal.Duration.valueOf
  • javascript.builtins.Temporal.Duration.weeks
  • javascript.builtins.Temporal.Duration.with
  • javascript.builtins.Temporal.Duration.years
  • javascript.builtins.Temporal.Instant
  • javascript.builtins.Temporal.Instant.Instant
  • javascript.builtins.Temporal.Instant.add
  • javascript.builtins.Temporal.Instant.compare
  • javascript.builtins.Temporal.Instant.epochMilliseconds
  • javascript.builtins.Temporal.Instant.epochNanoseconds
  • javascript.builtins.Temporal.Instant.equals
  • javascript.builtins.Temporal.Instant.from
  • javascript.builtins.Temporal.Instant.fromEpochMilliseconds
  • javascript.builtins.Temporal.Instant.fromEpochNanoseconds
  • javascript.builtins.Temporal.Instant.round
  • javascript.builtins.Temporal.Instant.since
  • javascript.builtins.Temporal.Instant.subtract
  • javascript.builtins.Temporal.Instant.toJSON
  • javascript.builtins.Temporal.Instant.toLocaleString
  • javascript.builtins.Temporal.Instant.toString
  • javascript.builtins.Temporal.Instant.toZonedDateTimeISO
  • javascript.builtins.Temporal.Instant.until
  • javascript.builtins.Temporal.Instant.valueOf
  • javascript.builtins.Temporal.Now
  • javascript.builtins.Temporal.Now.instant
  • javascript.builtins.Temporal.Now.plainDateISO
  • javascript.builtins.Temporal.Now.plainDateTimeISO
  • javascript.builtins.Temporal.Now.plainTimeISO
  • javascript.builtins.Temporal.Now.timeZoneId
  • javascript.builtins.Temporal.Now.zonedDateTimeISO
  • javascript.builtins.Temporal.PlainDate
  • javascript.builtins.Temporal.PlainDate.PlainDate
  • javascript.builtins.Temporal.PlainDate.add
  • javascript.builtins.Temporal.PlainDate.calendarId
  • javascript.builtins.Temporal.PlainDate.compare
  • javascript.builtins.Temporal.PlainDate.day
  • javascript.builtins.Temporal.PlainDate.dayOfWeek
  • javascript.builtins.Temporal.PlainDate.dayOfYear
  • javascript.builtins.Temporal.PlainDate.daysInMonth
  • javascript.builtins.Temporal.PlainDate.daysInWeek
  • javascript.builtins.Temporal.PlainDate.daysInYear
  • javascript.builtins.Temporal.PlainDate.equals
  • javascript.builtins.Temporal.PlainDate.era
  • javascript.builtins.Temporal.PlainDate.eraYear
  • javascript.builtins.Temporal.PlainDate.from
  • javascript.builtins.Temporal.PlainDate.inLeapYear
  • javascript.builtins.Temporal.PlainDate.month
  • javascript.builtins.Temporal.PlainDate.monthCode
  • javascript.builtins.Temporal.PlainDate.monthsInYear
  • javascript.builtins.Temporal.PlainDate.since
  • javascript.builtins.Temporal.PlainDate.subtract
  • javascript.builtins.Temporal.PlainDate.toJSON
  • javascript.builtins.Temporal.PlainDate.toLocaleString
  • javascript.builtins.Temporal.PlainDate.toPlainDateTime
  • javascript.builtins.Temporal.PlainDate.toPlainMonthDay
  • javascript.builtins.Temporal.PlainDate.toPlainYearMonth
  • javascript.builtins.Temporal.PlainDate.toString
  • javascript.builtins.Temporal.PlainDate.toZonedDateTime
  • javascript.builtins.Temporal.PlainDate.until
  • javascript.builtins.Temporal.PlainDate.valueOf
  • javascript.builtins.Temporal.PlainDate.weekOfYear
  • javascript.builtins.Temporal.PlainDate.with
  • javascript.builtins.Temporal.PlainDate.withCalendar
  • javascript.builtins.Temporal.PlainDate.year
  • javascript.builtins.Temporal.PlainDate.yearOfWeek
  • javascript.builtins.Temporal.PlainMonthDay
  • javascript.builtins.Temporal.PlainMonthDay.PlainMonthDay
  • javascript.builtins.Temporal.PlainMonthDay.calendarId
  • javascript.builtins.Temporal.PlainMonthDay.day
  • javascript.builtins.Temporal.PlainMonthDay.equals
  • javascript.builtins.Temporal.PlainMonthDay.from
  • javascript.builtins.Temporal.PlainMonthDay.monthCode
  • javascript.builtins.Temporal.PlainMonthDay.toJSON
  • javascript.builtins.Temporal.PlainMonthDay.toLocaleString
  • javascript.builtins.Temporal.PlainMonthDay.toPlainDate
  • javascript.builtins.Temporal.PlainMonthDay.toString
  • javascript.builtins.Temporal.PlainMonthDay.valueOf
  • javascript.builtins.Temporal.PlainMonthDay.with
  • javascript.builtins.Temporal.PlainTime
  • javascript.builtins.Temporal.PlainTime.PlainTime
  • javascript.builtins.Temporal.PlainTime.add
  • javascript.builtins.Temporal.PlainTime.compare
  • javascript.builtins.Temporal.PlainTime.equals
  • javascript.builtins.Temporal.PlainTime.from
  • javascript.builtins.Temporal.PlainTime.hour
  • javascript.builtins.Temporal.PlainTime.microsecond
  • javascript.builtins.Temporal.PlainTime.millisecond
  • javascript.builtins.Temporal.PlainTime.minute
  • javascript.builtins.Temporal.PlainTime.nanosecond
  • javascript.builtins.Temporal.PlainTime.round
  • javascript.builtins.Temporal.PlainTime.second
  • javascript.builtins.Temporal.PlainTime.since
  • javascript.builtins.Temporal.PlainTime.subtract
  • javascript.builtins.Temporal.PlainTime.toJSON
  • javascript.builtins.Temporal.PlainTime.toLocaleString
  • javascript.builtins.Temporal.PlainTime.toString
  • javascript.builtins.Temporal.PlainTime.until
  • javascript.builtins.Temporal.PlainTime.valueOf
  • javascript.builtins.Temporal.PlainTime.with
  • javascript.builtins.Temporal.PlainYearMonth
  • javascript.builtins.Temporal.PlainYearMonth.PlainYearMonth
  • javascript.builtins.Temporal.PlainYearMonth.add
  • javascript.builtins.Temporal.PlainYearMonth.calendarId
  • javascript.builtins.Temporal.PlainYearMonth.compare
  • javascript.builtins.Temporal.PlainYearMonth.daysInMonth
  • javascript.builtins.Temporal.PlainYearMonth.daysInYear
  • javascript.builtins.Temporal.PlainYearMonth.equals
  • javascript.builtins.Temporal.PlainYearMonth.era
  • javascript.builtins.Temporal.PlainYearMonth.eraYear
  • javascript.builtins.Temporal.PlainYearMonth.from
  • javascript.builtins.Temporal.PlainYearMonth.inLeapYear
  • javascript.builtins.Temporal.PlainYearMonth.month
  • javascript.builtins.Temporal.PlainYearMonth.monthCode
  • javascript.builtins.Temporal.PlainYearMonth.monthsInYear
  • javascript.builtins.Temporal.PlainYearMonth.since
  • javascript.builtins.Temporal.PlainYearMonth.subtract
  • javascript.builtins.Temporal.PlainYearMonth.toJSON
  • javascript.builtins.Temporal.PlainYearMonth.toLocaleString
  • javascript.builtins.Temporal.PlainYearMonth.toPlainDate
  • javascript.builtins.Temporal.PlainYearMonth.toString
  • javascript.builtins.Temporal.PlainYearMonth.until
  • javascript.builtins.Temporal.PlainYearMonth.valueOf
  • javascript.builtins.Temporal.PlainYearMonth.with
  • javascript.builtins.Temporal.PlainYearMonth.year
  • javascript.builtins.Temporal.ZonedDateTime
  • javascript.builtins.Temporal.ZonedDateTime.ZonedDateTime
  • javascript.builtins.Temporal.ZonedDateTime.add
  • javascript.builtins.Temporal.ZonedDateTime.calendarId
  • javascript.builtins.Temporal.ZonedDateTime.compare
  • javascript.builtins.Temporal.ZonedDateTime.day
  • javascript.builtins.Temporal.ZonedDateTime.dayOfWeek
  • javascript.builtins.Temporal.ZonedDateTime.dayOfYear
  • javascript.builtins.Temporal.ZonedDateTime.daysInMonth
  • javascript.builtins.Temporal.ZonedDateTime.daysInWeek
  • javascript.builtins.Temporal.ZonedDateTime.daysInYear
  • javascript.builtins.Temporal.ZonedDateTime.epochMilliseconds
  • javascript.builtins.Temporal.ZonedDateTime.epochNanoseconds
  • javascript.builtins.Temporal.ZonedDateTime.equals
  • javascript.builtins.Temporal.ZonedDateTime.era
  • javascript.builtins.Temporal.ZonedDateTime.eraYear
  • javascript.builtins.Temporal.ZonedDateTime.from
  • javascript.builtins.Temporal.ZonedDateTime.getTimeZoneTransition
  • javascript.builtins.Temporal.ZonedDateTime.hour
  • javascript.builtins.Temporal.ZonedDateTime.hoursInDay
  • javascript.builtins.Temporal.ZonedDateTime.inLeapYear
  • javascript.builtins.Temporal.ZonedDateTime.microsecond
  • javascript.builtins.Temporal.ZonedDateTime.millisecond
  • javascript.builtins.Temporal.ZonedDateTime.minute
  • javascript.builtins.Temporal.ZonedDateTime.month
  • javascript.builtins.Temporal.ZonedDateTime.monthCode
  • javascript.builtins.Temporal.ZonedDateTime.monthsInYear
  • javascript.builtins.Temporal.ZonedDateTime.nanosecond
  • javascript.builtins.Temporal.ZonedDateTime.offset
  • javascript.builtins.Temporal.ZonedDateTime.offsetNanoseconds
  • javascript.builtins.Temporal.ZonedDateTime.round
  • javascript.builtins.Temporal.ZonedDateTime.second
  • javascript.builtins.Temporal.ZonedDateTime.since
  • javascript.builtins.Temporal.ZonedDateTime.startOfDay
  • javascript.builtins.Temporal.ZonedDateTime.subtract
  • javascript.builtins.Temporal.ZonedDateTime.timeZoneId
  • javascript.builtins.Temporal.ZonedDateTime.toInstant
  • javascript.builtins.Temporal.ZonedDateTime.toJSON
  • javascript.builtins.Temporal.ZonedDateTime.toLocaleString
  • javascript.builtins.Temporal.ZonedDateTime.toPlainDate
  • javascript.builtins.Temporal.ZonedDateTime.toPlainDateTime
  • javascript.builtins.Temporal.ZonedDateTime.toPlainTime
  • javascript.builtins.Temporal.ZonedDateTime.toString
  • javascript.builtins.Temporal.ZonedDateTime.until
  • javascript.builtins.Temporal.ZonedDateTime.valueOf
  • javascript.builtins.Temporal.ZonedDateTime.weekOfYear
  • javascript.builtins.Temporal.ZonedDateTime.with
  • javascript.builtins.Temporal.ZonedDateTime.withCalendar
  • javascript.builtins.Temporal.ZonedDateTime.withPlainTime
  • javascript.builtins.Temporal.ZonedDateTime.withTimeZone
  • javascript.builtins.Temporal.ZonedDateTime.year
  • javascript.builtins.Temporal.ZonedDateTime.yearOfWeek
  • webdriver.bidi.emulation
  • webdriver.bidi.emulation.setGeolocationOverride

Note: I also observe WebGPU enabled by default, but it seems to be a beta channel thing for now only, see https://groups.google.com/a/mozilla.org/g/dev-platform/c/hi1kFQF13Pk

See also mdn/mdn#668 and https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/

@github-actions github-actions bot added data:api Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API data:js Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript data:html Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML size:l [PR only] 101-1000 LoC changed labels May 2, 2025
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Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

@Elchi3 Elchi3 mentioned this pull request May 2, 2025
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@Elchi3 Elchi3 force-pushed the firefox-139-beta branch from 7720818 to d9d5ae8 Compare May 2, 2025 14:39
@hamishwillee hamishwillee mentioned this pull request May 5, 2025
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caugner approved these changes May 6, 2025
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Feature Ref
api.CredentialsContainer.create.publicKey_option.extensions.largeBlob https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=largeBlob
api.CredentialsContainer.get.publicKey_option.extensions.largeBlob https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=largeBlob
api.Element.beforematch_event https://bugzilla.mozilla.org/show_bug.cgi?id=1761043
api.HTMLDialogElement.requestClose https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=requestClose
html.global_attributes.hidden.until-found https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=until-found
javascript.builtins.Date.toTemporalInstant https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=Temporal
javascript.builtins.Temporal https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=Temporal
javascript.builtins.Temporal.* https://www.mozilla.org/en-US/firefox/139.0beta/releasenotes/#:~:text=Temporal
(webdriver.bidi.emulation) https://bugzilla.mozilla.org/show_bug.cgi?id=1886512
(webdriver.bidi.emulation.setGeolocationOverride) https://bugzilla.mozilla.org/show_bug.cgi?id=1886512

@caugner caugner merged commit a2dc23f into mdn:main May 6, 2025
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@Elchi3 Elchi3 deleted the firefox-139-beta branch May 8, 2025 12:48
@Elchi3 Elchi3 mentioned this pull request May 8, 2025
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@bsmth bsmth mentioned this pull request May 20, 2025
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data:api Compat data for Web APIs. https://developer.mozilla.org/docs/Web/API data:html Compat data for HTML elements. https://developer.mozilla.org/docs/Web/HTML data:js Compat data for JS/ECMAScript features. https://developer.mozilla.org/docs/Web/JavaScript size:l [PR only] 101-1000 LoC changed

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