Change Log
May 5, 2026 · View on GitHub
All notable changes to this project will be documented in this file. See Conventional Commits for commit guidelines.
7.4.2 (2026-05-05)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.4.1 (2026-04-29)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.4.0 (2026-04-24)
Features
- @formatjs/intl-datetimeformat: update IANA timezone database to 2026b (#6436) (dc8fd2c), closes #6434 - by @longlho
7.3.2 (2026-04-13)
Reverts
- deps: revert gazelle migration phases 1-3 (#6205) (4c04aa2), closes #6197 #6198 #6199 #6195 #6196 - by @longlho
7.3.1 (2026-03-19)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.3.0 (2026-03-17)
Features
- @formatjs/ecma402-abstract: migrate from decimal.js to @formatjs/bigdecimal (#6148) (93744d4) - by @longlho
- buffer locale data for parallel polyfill + data loading (#6145) (1b28e30), closes #4457 - by @longlho
7.2.6 (2026-03-16)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.2.5 (2026-03-09)
Bug Fixes
- add locale-data directory export for variable dynamic imports (#6063) (0492f8b), closes #6060 - by @longlho
7.2.4 (2026-03-03)
Bug Fixes
- @formatjs/intl-datetimeformat: ensure all locales support both 12h and 24h hour cycles (#6052) (f6f0b69), closes #6020 - by @longlho
- @formatjs/intl-datetimeformat: fix formatRange date duplication with hour12 and 2-digit hour (#6053) (eb68a6b), closes #4535 - by @longlho
7.2.3 (2026-03-03)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.2.2 (2026-02-19)
Bug Fixes
- @formatjs/intl-datetimeformat: fix formatRange h24 midnight and hour12 duplication (#6026) (3d03ab1), closes #4535 - by @longlho
7.2.1 (2026-02-01)
Bug Fixes
- @formatjs/intl-datetimeformat: fix formatRange date duplication and h24 midnight issues (#6001) (c92c30b), closes #4535 - by @longlho
7.2.0 (2026-01-15)
Features
- @formatjs/intl-segmenter: improve Unicode 17.0 Format/Extend transparency and upgrade deps (#5862) (effeb9c), closes #29 - by @longlho
- upgrade CLDR to 48.1.0 (#5899) (3ffe1bd) - by @longlho
7.1.2 (2026-01-06)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.1.1 (2026-01-02)
Bug Fixes
- @formatjs/intl-datetimeformat: add America/Coyhaique, fix #5111 (#5741) (edd2f94) - by @longlho
- @formatjs/intl-datetimeformat: add support for offset tz, fix #4804 (#5735) (0e835b0) - by @longlho
- @formatjs/intl-datetimeformat: fix DST bug for Welsh, fix #5114 (#5739) (cf8cc43) - by @longlho
7.1.0 (2025-12-26)
Bug Fixes
- @formatjs/intl-datetimeformat: add synthetic range, fix #4535 (#5682) (3d3c57a) - by @longlho
- @formatjs/intl-datetimeformat: extract tz mapping from metazoneInfo, fix #4456 (#5684) (ba0e281) - by @longlho
- @formatjs/intl-datetimeformat: handle interval format fallback, fix #4168 (#5685) (55cb0f6) - by @longlho
Features
7.0.6 (2025-12-23)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.0.5 (2025-12-23)
Bug Fixes
- @formatjs/intl-datetimeformat: export add-golden-tz.js from package.json (#5662) (351928e) - by @Magicpig55
7.0.4 (2025-12-19)
Bug Fixes
7.0.3 (2025-12-18)
Bug Fixes
7.0.2 (2025-12-17)
Bug Fixes
7.0.1 (2025-12-15)
Note: Version bump only for package @formatjs/intl-datetimeformat
7.0.0 (2025-12-15)
⚠ BREAKING CHANGES
- react-intl: drop support for React 18 and below (#5485)
- @formatjs/intl-getcanonicallocales: convert to esm (#5457)
- @formatjs/intl-locale: convert to esm (#5435)
- @formatjs/intl-datetimeformat: convert to ESM (#5429)
Features
- @formatjs/intl-datetimeformat: convert to ESM (#5429) (c717c1a) - by @longlho
- @formatjs/intl-getcanonicallocales: convert to esm (#5457) (e1a6d19) - by @longlho
- @formatjs/intl-locale: convert to esm (#5435) (fc9ae8e) - by @longlho
- react-intl: drop support for React 18 and below (#5485) (2ea4b7e) - by @longlho
6.18.2 (2025-10-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.18.1 (2025-10-03)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.18.0 (2025-03-26)
Features
6.17.4 (2025-03-23)
Bug Fixes
- @formatjs/intl-datetimeformat: consistent polyfill with polyfill-force (22a4be4) - by @longlho
6.17.3 (2025-02-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.17.2 (2025-01-02)
Bug Fixes
- @formatjs/intl-datetimeformat: fix floating point issue in fractionalSecond (b47b4f4) - by @longlho
- @formatjs/intl-numberformat: fix precision truncation, fix #4771 (9300845) - by @longlho
6.17.1 (2024-12-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.17.0 (2024-12-09)
Bug Fixes
- turn on isolatedDeclarations and specify explicit types everywhere (4d855c2) - by @longlho
Features
6.16.6 (2024-12-08)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.16.5 (2024-11-18)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.16.4 (2024-11-05)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.16.3 (2024-11-04)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.16.2 (2024-11-02)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.16.1 (2024-10-25)
Bug Fixes
- relax tslib req to 2 instead of 2.7 (930c3e8) - by @longlho
6.16.0 (2024-10-25)
Features
- upgrade cldr to v46 (daafb44) - by @longlho
6.15.0 (2024-10-21)
Bug Fixes
- @formatjs/intl-datetimeformat: set proper toLocaleString/toLocalDateString/toLocaleTimeString default value, fix #4589 (0103425) - by @longlho
Features
6.14.0 (2024-10-12)
Features
- @formatjs/intl-datetimeformat: update tzdata, fix tooling to generate tzdata (c50a60c) - by @longlho
- @formatjs/intl-datetimeformat: use memoized constructor creation for perf (cd55fef) - by @longlho
6.13.0 (2024-10-09)
Features
- @formatjs/intl-datetimeformat: use memoized constructor creation for perf (cd55fef) - by @longlho
6.12.6 (2024-10-08)
Bug Fixes
- @formatjs/intl-datetimeformat: methods return "Invalid Date" instead of throwing in polyfill-force (9673883) - by @antsgar
6.12.5 (2024-05-19)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.12.4 (2024-05-18)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.12.3 (2024-03-24)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.12.2 (2024-01-16)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.12.1 (2024-01-16)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.12.0 (2023-11-14)
Bug Fixes
- @formatjs/intl-durationformat: add polyfill detector + docs (d6d237a) - by @
Features
6.11.3 (2023-11-12)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.11.2 (2023-11-06)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.11.1 (2023-10-23)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.11.0 (2023-10-16)
Features
- @formatjs/intl-datetimeformat: update CLDR to v43 (55863a8)
6.10.3 (2023-09-18)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.10.2 (2023-09-10)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.10.1 (2023-09-07)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.10.0 (2023-06-12)
Features
- @formatjs/intl,@formatjs/fast-memoize,@formatjs/icu-messageformat-parser,@formatjs/intl-displaynames,@formatjs/intl-listformat,intl-messageformat,@formatjs/ecma402-abstract,@formatjs/intl-numberformat,@formatjs/icu-skeleton-parser: Revert esm conditional exports (#4129) (78edf46), closes #4128 #4127 #4126
6.9.0 (2023-06-06)
Features
- @formatjs/intl,@formatjs/fast-memoize,@formatjs/icu-messageformat-parser,@formatjs/intl-displaynames,@formatjs/intl-listformat,intl-messageformat,@formatjs/ecma402-abstract,@formatjs/intl-numberformat,@formatjs/icu-skeleton-parser: esm conditional exports (#4109) (e0d593c), closes #4013
6.8.0 (2023-05-01)
Features
- @formatjs/intl-datetimeformat: updated
tzdatato2023cand fixed missing and changed TimeZone (1b4856b)
6.7.0 (2023-04-19)
Features
- @formatjs/intl-datetimeformat: update tzdata to 2022g (f06575e)
6.6.0 (2023-04-17)
Features
- upgrade TS support to v5 (2c43dc1)
6.5.1 (2023-02-20)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.5.0 (2023-02-20)
Features
6.4.3 (2022-12-02)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.4.2 (2022-12-01)
Bug Fixes
- @formatjs/intl: update monorepo to use TypeScript 4.9 and actually fix the type issue (#3919) (051527b)
6.4.1 (2022-12-01)
Bug Fixes
- @formatjs/intl: update monorepo to use TypeScript 4.9 and actually fix the type issue (#3919) (051527b)
6.4.0 (2022-11-29)
Features
6.3.1 (2022-10-17)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.3.0 (2022-10-13)
Features
6.2.0 (2022-08-27)
Features
6.1.1 (2022-08-21)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.1.0 (2022-08-18)
Features
6.0.3 (2022-07-04)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.0.2 (2022-06-06)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.0.1 (2022-05-19)
Note: Version bump only for package @formatjs/intl-datetimeformat
6.0.0 (2022-05-19)
Bug Fixes
Features
BREAKING CHANGES
- @formatjs/cli: we push @vue/compiler-core out to
peerDependenciesso if u use vue u should pull this in manuallywip on packaging cli.
5.0.2 (2022-04-27)
Bug Fixes
- @formatjs/intl-datetimeformat: methods return "Invalid Date" instead of throwing (1439660), closes #3508
5.0.1 (2022-03-26)
Note: Version bump only for package @formatjs/intl-datetimeformat
5.0.0 (2022-02-06)
Features
BREAKING CHANGES
- eslint-plugin-formatjs: This changes the rule name from
blacklist-elementstoblocklist-elements
4.5.2 (2022-02-06)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.5.1 (2022-01-24)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.5.0 (2022-01-09)
Features
- @formatjs/intl-datetimeformat: upgrade cldr to v40 (30d6a0b)
4.4.1 (2022-01-03)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.4.0 (2022-01-01)
Features
- @formatjs/intl-datetimeformat: fix Y2038 issue, package tz data in a docker (a8e782f)
- @formatjs/intl-datetimeformat: upgrade iana db to 2021e (3129289)
4.3.0 (2021-12-20)
Features
- change should-polyfill return value to 1 of the supported locales of the polyfill, fix #3255 (eb589db)
4.2.6 (2021-12-01)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.2.5 (2021-10-17)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.2.4 (2021-09-27)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.2.3 (2021-08-21)
Bug Fixes
- @formatjs/intl-datetimeformat: use native DateTimeFormatOptions instead of custom one (eb1d49b)
4.2.2 (2021-08-15)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.2.1 (2021-08-06)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.2.0 (2021-07-24)
Bug Fixes
- @formatjs/intl-datetimeformat: refactor (029f7fd)
Features
4.1.6 (2021-06-26)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.1.5 (2021-06-05)
Bug Fixes
- @formatjs/ecma402-abstract: fix IsValidTimeZoneName to include target zone from backward, fix #2951 (c18ee8b)
4.1.4 (2021-06-02)
Bug Fixes
4.1.3 (2021-06-01)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.1.2 (2021-05-23)
Bug Fixes
4.1.1 (2021-05-20)
Note: Version bump only for package @formatjs/intl-datetimeformat
4.1.0 (2021-05-17)
Features
- @formatjs/intl-datetimeformat: upgrade unicode to v39 (d0625c3)
4.0.0 (2021-05-14)
Features
- @formatjs/intl-datetimeformat: stop aliasing en-US-POSIX to en-US (c26406f)
BREAKING CHANGES
- @formatjs/intl-datetimeformat: Before we call
en-US-POSIXasen-USbut it has subtle pattern differences so it's misleading. If you were importingen-USearlier, useeninstead since they're the same.
3.3.5 (2021-05-10)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.3.4 (2021-05-02)
Bug Fixes
3.3.3 (2021-04-26)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.3.2 (2021-04-12)
Bug Fixes
- vue-intl: export the same stuff as react-intl (9123574)
3.3.1 (2021-03-26)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.3.0 (2021-03-18)
Features
- @formatjs/intl-datetimeformat: update tzdata to 2021a (60ba524)
3.2.13 (2021-03-15)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.12 (2021-03-01)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.11 (2021-02-25)
Bug Fixes
3.2.10 (2021-02-25)
Bug Fixes
- @formatjs/intl-numberformat: switch instanceof to OrdinaryHasInstance per new spec (c40fd87)
3.2.9 (2021-02-22)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.8 (2021-02-21)
Bug Fixes
3.2.7 (2021-02-02)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.6 (2021-01-29)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.5 (2021-01-27)
Note: Version bump only for package @formatjs/intl-datetimeformat
3.2.4 (2021-01-08)
Bug Fixes
- @formatjs/intl-datetimeformat: fix should-polyfill check when DTF has not loaded any locale data (be8d901), closes #2489
3.2.3 (2021-01-05)
Bug Fixes
3.2.2 (2021-01-01)
Bug Fixes
3.2.1 (2020-12-18)
Bug Fixes
3.2.0 (2020-12-16)
Bug Fixes
Features
- @formatjs/intl-datetimeformat: add dateStyle bug detection to should-polyfill (1a87835), closes #2410
3.1.0 (2020-11-27)
Features
- @formatjs/intl-datetimeformat: update tzdata to 2020d (e59e01c)
3.0.0 (2020-11-20)
Features
- @formatjs/ecma402-abstract: remove unpackData (18cd5ae)
- @formatjs/intl-datetimeformat: enhance best fit locale negotiation (3dac938)
BREAKING CHANGES
- @formatjs/intl-datetimeformat: This polyfill now requires Intl.Locale, or @formatjs/intl-locale polyfill
2.8.4 (2020-11-12)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.8.3 (2020-11-09)
Bug Fixes
2.8.2 (2020-11-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.8.1 (2020-11-05)
Bug Fixes
- @formatjs/intl-datetimeformat: lock down monorepo dep version (8981e91)
2.8.0 (2020-11-04)
Features
2.7.1 (2020-10-26)
Bug Fixes
- @formatjs/intl-datetimeformat: fix UMD bundle (e0c85a3)
2.7.0 (2020-10-25)
Bug Fixes
Features
- @formatjs/intl-datetimeformat: upgrade cldr to v37 (9a3dedc)
- @formatjs/intl-datetimeformat: upgrade CLDR to v37 (d1b0514)
2.6.10 (2020-10-10)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.9 (2020-10-08)
Bug Fixes
2.6.8 (2020-10-01)
Bug Fixes
2.6.7 (2020-09-18)
Bug Fixes
2.6.6 (2020-09-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.5 (2020-08-28)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.4 (2020-08-25)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.3 (2020-08-21)
Bug Fixes
2.6.2 (2020-08-19)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.1 (2020-08-19)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.6.0 (2020-08-18)
Features
- @formatjs/intl-datetimeformat: expose shouldPolyfill to detect if platform needs our polyfill (d9b3914)
2.5.0 (2020-08-17)
Features
2.4.3 (2020-08-15)
Bug Fixes
2.4.2 (2020-08-14)
Bug Fixes
2.4.1 (2020-08-14)
Bug Fixes
2.4.0 (2020-08-13)
Bug Fixes
Features
- @formatjs/cli: switch from glob to fast-glob (6fc7bfb)
2.3.1 (2020-08-11)
Bug Fixes
- @formatjs/intl-datetimeformat: fix standalone month, remove week of year pattern, part of #1915 (d0d7a06)
2.3.0 (2020-07-30)
Features
- @formatjs/intl-datetimeformat: add polyfill for Date.prototype.toLocaleDateString (#1889) (4ed11da), closes #1756
2.2.1 (2020-07-24)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.2.0 (2020-07-21)
Features
- @formatjs/intl-datetimeformat: adding implementation of tc39/proposal-intl-datetime-style (#1859) (e3c329e), closes #1847
2.1.4 (2020-07-16)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.1.3 (2020-07-14)
Bug Fixes
- react-intl: fix rollup'ed type def file (bddb88e)
2.1.2 (2020-07-14)
Bug Fixes
- react-intl: fix rollup'ed type def file (bddb88e)
2.1.1 (2020-07-14)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.1.0 (2020-07-14)
Features
- publish (b6e3465)
2.0.3 (2020-07-09)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.0.2 (2020-07-03)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.0.1 (2020-07-03)
Note: Version bump only for package @formatjs/intl-datetimeformat
2.0.0 (2020-07-03)
Features
- @formatjs/intl-datetimeformat: restructure locale-data output (1af51d6)
BREAKING CHANGES
- @formatjs/intl-datetimeformat: Remove ponyfill mechanism. Our polyfill mechanism also detects buggy native implementation so we can override.
- @formatjs/intl-datetimeformat: Move locale-data outside of
dist. This means new locale-data path would be@formatjs/intl-datetimeformat/locale-datainstead of@formatjs/intl-datetimeformat/dist/locale-data.
1.3.3 (2020-07-01)
Bug Fixes
1.3.2 (2020-06-26)
Bug Fixes
- @formatjs/intl-datetimeformat: trigger polyfill if chrome has the 71- bug (a925df8)
1.3.1 (2020-06-26)
Bug Fixes
- @formatjs/intl-datetimeformat: fix polyfill check since dateStyle is not stage-4 yet (a212b42)
1.3.0 (2020-06-26)
Features
- @formatjs/intl-datetimeformat: Add polyfill for Date.prototype.toLocaleString (a5eef6d)
- @formatjs/intl-datetimeformat: Add polyfill for Date.prototype.toLocaleTimeString (649e83d)
1.2.2 (2020-06-23)
Bug Fixes
- @formatjs/intl-datetimeformat: add allowlist of files to package.json so yarn works (778378c)
1.2.1 (2020-06-23)
Note: Version bump only for package @formatjs/intl-datetimeformat
1.2.0 (2020-06-23)
Features
1.1.1 (2020-06-20)
Bug Fixes
- @formatjs/intl-datetimeformat: Add README.md (52796cb)
1.1.0 (2020-06-20)
Bug Fixes
- @formatjs/intl-datetimeformat: add zdump data (fdb8af4)
- @formatjs/intl-datetimeformat: fix data.zdump (940fbd6)
- @formatjs/intl-datetimeformat: fix month calc (d65abb1)
- @formatjs/intl-datetimeformat: fix mutability issue (3bf6ec6)
- @formatjs/intl-datetimeformat: fix node 14 cldr build (62eab99)
- @formatjs/intl-datetimeformat: fix timeData processing with region (689db86)
- @formatjs/intl-datetimeformat: fix timezone name algo (8a996c8)
- @formatjs/intl-datetimeformat: fix timeZoneName CLDR & lookup, add best fit lookup (2570022)
- @formatjs/intl-datetimeformat: tweak best fit format matcher (f994502)
Features
0.2.0 (2020-06-06)
Features
- @formatjs/intl-datetimeformat: initial commit (d83c188)