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CHANGELOG.md

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0.3.0

This version roughly corresponds with all the changes made to the Temporal polyfill as of the October 2021 TC39 Plenary meeting.

Breaking changes:

  • Timezones now require a getOffsetNanosecondsFor method, and no longer fall back to the intrinsic definition (previously provided by Temporal.Timezone#getOffsetNanosecondsFor) if not provided. (08346dc5, see also proposal-temporal polyfill PR)
  • Disallow Z designators when parsing strings for Plain Temporal types (f3f8a994, see also Spec PR)
  • Allow ISO strings with "Z" + a bracketed IANA name (70bd9898, see also Spec PR)
  • Emit ES2020 builds for newer browsers, and emit ES5 for older browsers. (2331468d, 9e95c62b)
  • Temporal.Duration constructor will now throw if given a non-integer (9df5d068, see also Spec PR)
  • Remove support for sub-minute offsets in ISO strings (766e5037, see also Spec PR, Spec PR)
  • Throw TypeError on missing options from Duration.total (4ec075f0, see also Spec PR)
  • Reject non-integer Duration fields in Duration.with() (e6b2488d, see also Spec PR)
  • Ensure an Object is returned from calendar.mergeFields() (4e63f25f, see also Spec PR)

Bug fixes:

Non-breaking changes:

  • Various #round and #total methods now accept string parameters or options bags. Strings are interpreted as the smallestUnit option (or unit for Temporal.Duration#total). (068e801f, see also Spec PR)
  • Add @@toStringTag to TS types (41ab6bc0)
  • Accept string Calendar names in PlainMonthDay and PlainYearMonth constructors (27b4c7e8)
  • Make options optional in Calendar method TS types (3a09d00d)
  • Align implementation of RoundDuration with adjusted spec text (4a0d0264, see also Spec PR)

Other: