# Sass 1.104.0 — Dart Sass 1.104.0 - Product: Sass (https://whatsnew.fyi/product/sass) - Vendor: Sass - Date: 2026-09-03 - Version: 1.104.0 - Original notes: https://github.com/sass/dart-sass/releases/tag/1.104.0 - Permalink: https://whatsnew.fyi/product/sass/releases/1.104.0 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **changed** — Colors now convert the special values NaN and negative zero, as well as infinity and negative infinity for polar-hue channels, to 0 as per the CSS spec - **changed** — The special value negative zero is now serialized as -0 instead of 0 for greater compatibility when using it in CSS calculations To install Sass 1.104.0, download one of the packages below and [add it to your PATH][], or see [the Sass website][] for full installation instructions. [add it to your PATH]: https://katiek2.github.io/path-doc/ [the Sass website]: https://sass-lang.com/install #### Changes * **Potentially breaking compatibility fix:** Colors now convert the special values NaN and negative zero, as well as infinity and negative infinity for polar-hue channels, to 0 as per the CSS spec. * The special value negative zero is now serialized as `-0` instead of `0` for greater compatibility when using it in CSS calculations. See the [full changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md#11040) for changes in earlier releases.