- Fixed numerous edge‑case bugs: watch‑poll handling, selector parsing, preflight outline overrides, theme color resolution, @source rule scanning, and @vite reload behavior.
- Improved color utilities: case‑insensitive hex matching, stable achromatic colors in polar spaces, correct fractional opacity with named shadows, and spacing(0) output as 0px.
- Updated CLI and plugins: lazy loading of @parcel/watcher, proper rebuilds when preprocessors change CSS, CSS nesting without Lightning CSS, and explicit platform fonts for correct CJK rendering.
v4.3.3
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Added support for bare spacing values in auto‑rows/auto‑cols utilities, class suggestions for named opacity modifiers, and allowed @variant rules in addBase to reference later‑defined custom variants.