• Implemented optimisation for none keyword in border and outline properties (@zoobestik, #41)
• Implemented replacing rgba(x, x, x, 0) to transparent
• Fixed plus sign omitting for numbers following identifier, hex color, number or unicode range, since it can change the meaning of CSS (e.g. calc(1px+2px) has been optimized to calc(1px2px) before, now it stays the same)
• Improved usage filtering for nested selectors (i.e. for :nth-*(), :has(), :matches and other pseudos)
• Implemented blacklist filtering in usage (#334, see Black list filtering)
• Improved white space removing, now white spaces are removing in the beginning and at the ending of sequences, and between stylesheet and block nodes
• Bumped css-tree to 1.0.0-alpha19