<===> options.yml --- :warning_todo: - sass/libsass#2887 <===> input.scss div { width: 3cm * 2in * 2in / 1cm / 1cm; width: 3cm * 2in / 1cm; width: 4cm * (12in / 3in); } <===> output.css div { width: 30.48in; width: 6in; width: 16cm; } <===> warning DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0. Recommendation: math.div(3cm * 2in * 2in, 1cm) More info and automated migrator: https://sass-lang.com/d/slash-div , 2 | width: 3cm * 2in * 2in / 1cm / 1cm; | ^^^^^^^^^^^^^^^^^^^^^ ' input.scss 2:10 root stylesheet DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0. Recommendation: math.div(math.div(3cm * 2in * 2in, 1cm), 1cm) More info and automated migrator: https://sass-lang.com/d/slash-div , 2 | width: 3cm * 2in * 2in / 1cm / 1cm; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ ' input.scss 2:10 root stylesheet DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0. Recommendation: math.div(3cm * 2in, 1cm) More info and automated migrator: https://sass-lang.com/d/slash-div , 3 | width: 3cm * 2in / 1cm; | ^^^^^^^^^^^^^^^ ' input.scss 3:10 root stylesheet DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0. Recommendation: math.div(12in, 3in) More info and automated migrator: https://sass-lang.com/d/slash-div , 4 | width: 4cm * (12in / 3in); | ^^^^^^^^^^ ' input.scss 4:17 root stylesheet