• Replace Kickstart callout with FormKit for React announcement  -  by @andrew-boyd (46db3)

• Inline DocSearch CSS for production build compatibility  -  by @justin-schroeder (f89f8)
• Offset() returns NaN for dates with non 4-digit years  -  by @tk1024 (4e944)
• Prevent mixed-sign diff durations  -  by @justin-schroeder (bd478)

• Optional date arguments for functions  -  by @WilcoSp in https://github.com/formkit/tempo/issues/58 (a748d)
• Add millisecond support to format, parse, and helpers  -  by @justin-schroeder (9671e)

• Update pnpm-lock.yaml to lockfileVersion 9.0  -  by @andrew-boyd (b91c1)
• Update pnpm-lock.yaml to lockfileVersion 9.0  -  by @justin-schroeder (a6502)
• Support seconds precision in timezone offsets  -  by @justin-schroeder in https://github.com/formkit/tempo/issues/67 (c1d55)
• Improve search modal performance and styling  -  by @justin-schroeder (1e285)
• Add packageManager field for pnpm version  -  by @justin-schroeder (184e7)
• Flaky test and Vercel build compatibility  -  by @justin-schroeder (848da)

• Timezone offsets in 1904  -  by @justin-schroeder in https://github.com/formkit/tempo/issues/59 (eb315)

• Add loose autocomplete in Format type  -  by @sebastianwd in https://github.com/formkit/tempo/issues/54 (2d132)

• Published package now uses unbundled functions for better chunking in your build tools (like Vite).
• New time diff functions diffMilliseconds, diffSeconds, diffMinutes, diffHours, diffDays, diffWeeks, diffMonths, diffYears.
• New ZZ token for offsets without seperator: [+-]HHmm

• In previous versions of Tempo the Z token used the format [+-]HHmm, there was no ZZ token. To better align with existing token formats like dayjs — theZ token is now [+-]HH:mm and the ZZ token is [+-]HHmm.

No significant changes

• Treeshaking clock tokens  -  by @justin-schroeder in https://github.com/formkit/tempo/issues/37 (95453)
• Leading zeros for MM in zh locale  -  by @justin-schroeder in https://github.com/formkit/tempo/issues/41 (96878)

No significant changes

• Exports yearStart and yearEnd  -  by @justin-schroeder (13f8b)

• Unknown tz  -  by @mori-hisayuki in https://github.com/formkit/tempo/issues/34 (0245e)