Could it support css sourcemap

[wxu-aa]

Expect this feature, support sourcemap to css.

[cheton]

I will put it in the backlog. Please stay tuned for further updates.

Notes:
https://github.com/webpack/style-loader/blob/master/addStyles.js#L235

[cheton]

May I know if there's anyone can help add source map support?