jmcnamara/libxlsxwriter v1.2.4

1.2.4 Jan 6 2026

on GitHub

• Added validation of lxw_datetime fields to ensure that they are
  within Excel's allowable ranges.

  Issue #491.

• Fixed an issue where setting the x or y scales to math.h
  INFINITY resulted in an infinite loop.

  Issue #490.

• Added validation checks for various enum values.

  Issue #487.

• Fixed handling of invalid chart types.

  Issue #486.

• zig: Updated to Zig 0.15.0. Also, Zig build refactored for compatibility with
  v0.15.1 - 0.16.0-dev.

New Contributors

• @Ev1lT3rm1nal made their first contribution in #489
• @arthurscchan made their first contribution in #498

Full Changelog: v1.2.3...v1.2.4

Information for Packagers

• This is serial version 1.2.4. This is not a semver version number.

• This is shared object library version libxlsxwriter.so.11. This should be
  updated automatically via make and cmake as part of the build process.
  This version contains ABI changes since the previous release.

• Please report any downstream patches back upstream to help improve the overall
  build process.