Sass 3.4.11 发布，改进内容包括：
Parent selectors used both outside and inside a pseudo selector (e.g. &:not(&--foo)) now compile correctly.
Interpolation in a multiline indented-syntax selector is no longer omitted.
Add a stack trace to the unquote() deprecation warning.
When converting a space-separated list with sass-convert, add parentheses when they make it easier to read even if they aren't strictly required.
同时该版本废弃了：
Compiling directories on the command line without using either--watch or --update is deprecated. This only worked inconsistently before.
Sass 扩展了 CSS3，增加了规则、变量、混入、选择器、继承等等特性。Sass 生成良好格式化的 CSS 代码，易于组织和维护。
软件详情：http://sass-lang.com/
下载地址：https://github.com/sass/sass
来自:开源中国社区
