Joseph Wright submitted an update to the

siunitx

package.

Version: 3.1.0 2022-04-25 License: lppl1.3c

Summary description: A comprehensive (SI) units package

Announcement text: ----------------------------------------------------------------------

### Added - Support for complex numbers in polar form both as input and output - Support for multiple uncertainty values in both short and long form in input, and supporting options `uncertainty-descriptors`, `uncertainty-descriptor-mode` and `uncertainty-descriptor-separator` - Options `text-subscript-command` and `text-superscript-command` to allow customisation of script printing in text mode (see issue [#595](https://github.com/josephwright/siunitx/issues/595)) - Options `complex-angle-unit`, `complex-mode`, `complex-symbol-angle`, and `complex-symbol-degree` to support complex numbers in polar form - Options `digit-group-size`, `digit-group-first-size` and `digit-group-other-size` to control digit grouping - Options `display-per-mode` and `inline-per-mode` to offer additional flexiblity in `per-mode` control - Option `per-symbol-script-correction` - Option `power-half-as-sqrt` - Option `retain-negative-zero` - Option `round-zero-positive` to control the outcome of rounding negative values to zero - Options `zero-decimal-as-symbol` and `zero-symbol` to support conversion of a zero decimal part to a dash or other symbol - Option setting `per-mode = single-symbol` to allow exactly one symbol to be present - Unit abbreviations `C`, ` C`, `uC`, `mC` (see issue [#575](https://github.com/josephwright/siunitx/issues/575)) - Unit abbreviations `fH` and `pH` (see issue [#596](https://github.com/josephwright/siunitx/issues/596)) - Unit abbreviation ` W` (see issue [#596](https://github.com/josephwright/siunitx/issues/596)) - Brazilian and Portuguese translations for lists and ranges (see issue [#514](https://github.com/josephwright/siunitx/issues/514))

### Changed - Issue an error if the `units` package is loaded

### Deprecated - Option setting `per-mode = symbol-or-fraction`

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The package’s Catalogue entry can be viewed at https://ctan.org/pkg/siunitx

The package’s files themselves can be inspected at https://mirrors.ctan.org/macros/latex/contrib/siunitx/

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Thanks for the upload.

For the CTAN Team Petra Rübe-Pugliese

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