v9.2.0

• Add ma Eid al-Fitr and Eid al-Adha, calculated from the Hijri calendar. definitions pull-391
• Add my Hari Raya Puasa and Hari Raya Haji, calculated from the Hijri calendar and observed on the following Monday when they fall on a Sunday. definitions pull-392

v9.1.0

• Switch tr Ramazan and Kurban Bayramı to a calculated Hijri date instead of a hand-maintained per-year table, so they no longer silently disappear past 2030. definitions pull-385, definitions issue-377
• Fix vn Giỗ tổ Hùng Vương test dates for 2018-2023; the 2018 date was wrong due to a lunar calendar leap-month bug. definitions pull-386, definitions issue-150
• Shift observed us Independence Day off weekends for every region via a new independence_day function, replacing the us_va-only to_weekday_if_weekend shim; nearest weekday for most regions, the following Monday for us_ri, no shift for us_tx. definitions pull-387, holidays issue-478

v9.0.0

Breaking

• Remove the embedded methods: and ruby: blocks from all region files. Method bodies now live in each consuming library; function: and observed: names are unchanged. See doc/SYNTAX.md. definitions pull-382, definitions pull-383, definitions issue-379
  Non-breaking (results may change for the listed regions; no consumer code change needed)
• Add cn China statutory national holidays, with year ranges for the 2008 and 2025 reforms. 调休 make-up workdays are not modelled. definitions pull-370, definitions issue-112
• Fix jp substitute holidays ignoring year_ranges, which made the 2019-only Reiwa accession dates recur every year. definitions pull-368, holidays issue-366
• Fix kr 설날 연휴 (Seollal eve) resolving to the wrong year; now derived as the day before 설날. definitions pull-371, holidays issue-388
• Fix nz_sl Southland Anniversary Day to Easter Tuesday and nz_hb Hawke's Bay Anniversary Day to the Friday before Labour Day. definitions pull-375, definitions issue-260
• Restrict ro Boboteaza and Soborul Sfântului Ioan Botezătorul to 2024 onwards. definitions pull-373, definitions issue-296
• Extend tr Ramazan and Kurban Bayramı through 2030. definitions pull-376, definitions pull-378, definitions issue-377
• Add de_be Tag der Befreiung on 8 May 2025. definitions pull-293 (thanks to https://github.com/michaelem)
• Add informal Day of the Dead for us and ca on 1 and 2 November. definitions pull-374, holidays issue-393
• Add a de_mv Internationaler Frauentag boundary test. definitions pull-372
• Fix a th test date typo. definitions pull-381

v8.2.0

• Add by Belarus, with the nine non-working days set by the Labour Code plus Радуніца, the ninth day after Orthodox Easter, and the state holidays that remain ordinary working days marked informal, for definitions pull-364, reworked from holidays pull-402 (thanks to https://github.com/sania1801)
• Add co Día de Nuestra Señora del Rosario de Chiquinquirá, 9 July moved to the following Monday under the Emiliani law, a national holiday from 2026 under Law 2578, for definitions pull-344 (thanks to https://github.com/heysebitas)
• Update pe to Peru's official calendar, adding Batalla de Ayacucho and Batalla de Junín from 2022, Día de la Fuerza Aérea del Perú from 2023 and Batalla de Arica y Día de la Bandera from 2024, each dated from its first observance rather than its publication year, and correcting the names of Día de San Pedro y San Pablo and Combate de Angamos, for definitions pull-365 (thanks to https://github.com/juniorUsca)
• Mark pe Día de los Reyes Magos and Pascua as informal, since neither is a feriado. Peru now returns the official 16 national holidays, so callers relying on either of these as formal holidays will no longer receive them
• Fix es_ga Santiago Apóstol, which falls on 25 July and not 23, for definitions pull-366 (thanks to https://github.com/trumbitta)

v8.1.0

• Add ie St Brigid's Day, the first Monday in February or 1 February when that day is a Friday, a public holiday from 2023, for definitions issue-348
• Restore sk Deň Ústavy Slovenskej republiky and Deň boja za slobodu a demokraciu, which were removed entirely in 5.9.0 despite remaining state holidays in Slovak law
• Mark sk Deň Ústavy Slovenskej republiky as informal from 2024 and Deň boja za slobodu a demokraciu as informal from 2025, the years each stopped being a day of rest, for definitions pull-288 (thanks to https://github.com/lucialopuchova)
• Clarify that informal also covers holidays that remain in law but are ordinary working days
• Add us_ut Juneteenth observance rule, observed on June 19 when that is a Monday, the preceding Monday when June 19 is Tuesday through Friday, and the following Monday when it is a weekend, for definitions pull-290 (thanks to https://github.com/philipwritescode)
• Allow region as a custom method argument, matching what doc/SYNTAX.md has always documented

v8.0.1

• Fix ph National Heroes Day when August 31st falls on a Sunday for definitions issue-345
• Fix gb Christmas and Boxing Day observed dates when Christmas falls on a Sunday for holidays issue-396
• Add required region_names to mc to satisfy the ISO 3166 validation introduced in 8.0.0

v8.0.0

• Rename Vietnam region code from vi to vn to follow ISO 3166-1 alpha-2 (VI is US Virgin Islands, VN is Vietnam) for definitions issue-177
• Require all region_names to match the ISO 3166 standard with no exceptions (removed the internal escape hatch that previously allowed the non-standard vi code)

v7.0.0

• Drop support for EOL Ruby 3.2; minimum supported version is now Ruby 3.3 (testing 3.3, 3.4, 4.0, ruby-head)
• Fix nz Canterbury Anniversary Day to the second Friday after the first Tuesday of November for holidays issue-285
• Fix lu Whit Monday to fall on Monday (Easter Sunday + 50 days) instead of Sunday for holidays issue-289
• Replace nil-returning year-gate functions with year_ranges
• Clarify that formal holidays are what is commonly called statutory holidays

v6.1.1

• Fix fr test cases to match Pentecôte/Lundi de Pentecôte informal swap introduced in 6.1.0
• Fix mc Toussaint missing observed modifier and correct observed-day test cases
• Run contract tests (smoke + generated definition tests) in downstream CI instead of smoke-only

v6.1.0

• Introduce mc (Monaco) region (thanks to https://github.com/abenhamdine)
• Fix fr Pentecote Sunday to be an official public holiday (thanks to https://github.com/abenhamdine)
• Fix gb Cornwall holidays for holidays issue-160
• Fix us_ga April State Holiday for years post-2020 (thanks to https://github.com/joseph-carino)
• Add validation to ensure that all regions are represented in index.yaml
• Run downstream smoke tests instead of the full test suite on PR/push