v1.8.4

Fixed

• Fix issue where inserting extra PurgeCSS control comments could break integrated PurgeCSS support
• Fix issue where dark variant in 'class' mode was incompatible with 'group-hover' variant (#2337)
• Support basic nesting structure with @apply when using the applyComplexClasses experiment (#2271)

Changed

• Rename font-hairline and font-thin to font-thin and font-extralight behind standardFontWeights flag (experimental until v1.9.0) (#2333)