Thanks to @WikiRik for prepping the release <3

New Features / Validators

• #2399 isISO31661Numeric @RobinvanderVliet
• #2294 isULID @arafatkn
• #2215 isISO15924 @xDivisionByZerox

Fixes, New Locales and Enhancements

• isMobilePhone
  • #2395 add es-GT locale @ignaciosuarezquilis
  • #1971 improve en-GB locale @ihmpavel
  • #2359 improve uk-UA locale @arttiger
  • #2350 improve ky-KG locale @sadraliev
  • #2482 improve en-ZM locale @sonikishan
  • #2362 improve en-GH locale @NanaAb-116
  • #2500 add mk-MK locale @eshward95
  • #2534 improve sq-AL locale @nichoola
• #2406 isBtcAddress support all address formats and testnets @madoke
• #2339 isIBAN improve VG regex @ST-DDT
• #2332 isISO4217 update currency codes @cbodtorf
• #2291 isIdentityCard add PK locale @Daniyal-Qureshi
• #2414 isEmail fix blacklist_chars @keshavlingala
• #2416 isInt/isFloat handle undefined and null values @Daniyal-Qureshi
• #2415 isPostalCode add CO locale @jorgevrgs
• #2404 isPassportNumber export passportNumberLocales @derekparnell
• #2029 isRgbColor add allowSpaces option @a-h-i
• #2421 isUUID require valid variant field and require RFC9562 UUID in version all @broofa
• #2439 isURL add max_allowed_length option @pinkiesky
• #2437 isEmail reject starting with double quotes @code0emperor
• #2333 isLicensePlate add en-SG locale @Sabarinathan07
• #2441 normalizeEmail add yandex_convert_yandexru option @AayushGH
• #2443 isDate return false instead of Error in certain cases @pano9000
• #2474 isLength add discreteLengths option @Suven-p
• #2481 isDate disallow mismatching length in strictMode @sonikishan
• #2492 isISO6346 set check digit to 0 if remainder is 10 @joelcuy
• #2493 isPostalCode improve BR locale @ticmaisdev
• #2494 isEmail allow regexp in host_whitelist and host_blacklist @weikangchia
• #2518 isIBAN improve IE/PS regex @Tarasz57
• Doc fixes and others:
  • #2402 @BibhushanKarki
  • #2394 @RobinvanderVliet
  • #1732 @alguerocode
  • #2413 @rubiin
  • #2408 @profnandaa
  • #2411 @rubiin
  • #2325 @ovarn
  • #2418 @ihmpavel
  • #2323 @ovarn
  • #2423 @rubiin
  • #2409 @profnandaa
  • #2442 @pano9000

New Contributors

• @ihmpavel made their first contribution in https://github.com/validatorjs/validator.js/pull/1971
• @madoke made their first contribution in https://github.com/validatorjs/validator.js/pull/2406
• @ignaciosuarezquilis made their first contribution in https://github.com/validatorjs/validator.js/pull/2395
• @BibhushanKarki made their first contribution in https://github.com/validatorjs/validator.js/pull/2402
• @alguerocode made their first contribution in https://github.com/validatorjs/validator.js/pull/1732
• @cbodtorf made their first contribution in https://github.com/validatorjs/validator.js/pull/2332
• @Daniyal-Qureshi made their first contribution in https://github.com/validatorjs/validator.js/pull/2291
• @keshavlingala made their first contribution in https://github.com/validatorjs/validator.js/pull/2414
• @ovarn made their first contribution in https://github.com/validatorjs/validator.js/pull/2325
• @jorgevrgs made their first contribution in https://github.com/validatorjs/validator.js/pull/2415
• @derekparnell made their first contribution in https://github.com/validatorjs/validator.js/pull/2404
• @a-h-i made their first contribution in https://github.com/validatorjs/validator.js/pull/2029
• @broofa made their first contribution in https://github.com/validatorjs/validator.js/pull/2421
• @arafatkn made their first contribution in https://github.com/validatorjs/validator.js/pull/2294
• @pinkiesky made their first contribution in https://github.com/validatorjs/validator.js/pull/2439
• @code0emperor made their first contribution in https://github.com/validatorjs/validator.js/pull/2437
• @Sabarinathan07 made their first contribution in https://github.com/validatorjs/validator.js/pull/2333
• @AayushGH made their first contribution in https://github.com/validatorjs/validator.js/pull/2441
• @sadraliev made their first contribution in https://github.com/validatorjs/validator.js/pull/2350
• @Suven-p made their first contribution in https://github.com/validatorjs/validator.js/pull/2474
• @sonikishan made their first contribution in https://github.com/validatorjs/validator.js/pull/2482
• @joelcuy made their first contribution in https://github.com/validatorjs/validator.js/pull/2492
• @NanaAb-116 made their first contribution in https://github.com/validatorjs/validator.js/pull/2362
• @ticmaisdev made their first contribution in https://github.com/validatorjs/validator.js/pull/2493
• @weikangchia made their first contribution in https://github.com/validatorjs/validator.js/pull/2494
• @Tarasz57 made their first contribution in https://github.com/validatorjs/validator.js/pull/2518
• @eshward95 made their first contribution in https://github.com/validatorjs/validator.js/pull/2500
• @xDivisionByZerox made their first contribution in https://github.com/validatorjs/validator.js/pull/2215
• @nichoola made their first contribution in https://github.com/validatorjs/validator.js/pull/2534

Full Changelog: https://github.com/validatorjs/validator.js/compare/13.12.0...13.15.0