• Updated data to IANA TZDB 2026d. #1157
• Fixed calendar arithmetic around time zone gaps. #1151
• Fixed default date selection when creating a zoned Moment with only time fields.
  • Object inputs (e.g. moment.tz({ hour: 9 }, zoneName)). #1156
  • String inputs (e.g. moment.tz('09:00', 'HH:mm', zoneName)). #1159
  • Using un-zoned moment() when there is also a zone set with moment.tz.setDefault(zoneName). #1161
    • NOTE: This specific fix only works when also using core moment version 2.31.0 or higher.
      All other fixes in this release work with all supported versions of moment.