rollup-plugin-postcss Deprecation Warning: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0.

Deprecation Warning: The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0.

More info: https://sass-lang.com/d/legacy-js-api

I fear this plugin will stop working in the near future. Unfortunately I've not seen any other plugins that are feature rich enough to replace this plugin.

Oct 03 '24 08:10 v1kt0r1337

same worry here :(

Oct 18 '24 12:10 MichalGorskiOnegini

Is there an option we can add to set the api? There is one for webpack's sass-loader

Oct 21 '24 17:10 mrbinky3000

same issue here

Oct 24 '24 19:10 narcecl

You can turn off the warnings until this is fixed via:

import postcss from 'rollup-plugin-postcss';

postcss({
    use: {
        sass: {
            silenceDeprecations: ['legacy-js-api'],
        }
    },
})

Nov 01 '24 19:11 BryceMehring

I asked the same question in sass/dart-sass#2352. Someone said I should ask here.

Nov 03 '24 09:11 movahhedi

Still not fixed?

Mar 10 '25 20:03 WhiteTiburon

what if i dont wanna silence warning but instead opt in to modern api

Mar 29 '25 07:03 shriyanskapoor

I have the same warning

Apr 10 '25 06:04 bee1an

Same problem here.

Jul 20 '25 05:07 rafa-br34

Bump!

Jul 31 '25 00:07 kangzj

Would love an update on this one!

Aug 11 '25 15:08 pheroMona13

Hello. I'm here to follow up on this issue. Seems that this happens on rollup plugin itself; nothing to do on the code side other than silencing the warning.

Sep 26 '25 17:09 super-danny