• Removed: Node.js 8.x support. Node.js 10 is now required. We can guarantee stylelint works on the latest Node.js 10 release. (#4500).
• Removed: types declarations for Flow (#4451).
• Changed: globby was updated to v10. Now only forward-slashes (/) should be used as directory separator in globs. Refer to glob pattern syntax. Most of the users wouldn't need to change anything, but Windows users might need to update their globs. (#4254).
• Added: unit-no-unknown support for x unit (#4427).
• Fixed: --report-invalid-scope-disables crash when no rules specified (#4498).
• Fixed: media-feature-parentheses-space-inside false negatives for multiple spaces (#4513).
• Fixed: selector-type-no-unknown false positives for SVG tags (#4495).
• Fixed: unit-no-unknown false positives for Sass map keys (#4450).
• Fixed: value-list-comma-newline-after false positives for shared-line comments (#4482).
• Fixed: consistently check that selectors are standard before passing to the parser (#4483).
• Fixed: overlapping disabled ranges edge case (#4497).