v1.0.0
Initial release: LibreOffice Calc Julian date add-in (Java UNO component).
Functions
TO_JULIAN_DAY, TO_JULIAN_DATE, FROM_JULIAN_DAY, FROM_JULIAN_DATE, TO_MJD, FROM_MJD, TO_JULIAN_ORDINAL, FROM_JULIAN_ORDINAL, GREGORIAN_TO_JULIAN, JULIAN_TO_GREGORIAN.
See docs/FUNCTIONS.md for the full reference and worked examples, and docs/INSTALL.md for per-platform build/install steps (Windows, Debian/Ubuntu, Slackware).
Verified end-to-end (all 10 functions, round-trips, and error paths) against a live headless LibreOffice instance.
JulianDate.oxt below is the pre-built extension — install with unopkg add --force JulianDate.oxt, or build it yourself from source via build.sh/build.ps1.