Tailwind v1 to v4

Tailwind's Evolution: v1 to v4

Tailwind CSS 0.1.0 5,202 , a PostCSS 238,379 plugin, was published on November 1, 2017. Each major version since then changed how the CSS is produced as much as which utilities exist.

Major Tailwind CSS releases
Version Released What changed
1.0 May 13, 2019 Stable API, theme config, numeric color scale
2.0 Nov 18, 2020 Dark mode, 22-color palette, 2xl, rings; IE11 dropped
2.1 Apr 5, 2021 Just-in-Time engine as an opt-in mode
3.0 Dec 9, 2021 JIT always on, arbitrary properties, Play CDN
3.4 Dec 19, 2023 :has(), size-*, dynamic viewport units; now v3 LTS
4.0 Jan 22, 2025 Oxide engine, CSS-first @theme configuration
4.1 Apr 3, 2025 Text shadows, masks, @source inline()
4.2 Feb 18, 2026 Four new palettes, logical-property utilities, webpack 3,824 plugin
4.3 May 8, 2026 Scrollbar, zoom-* and tab-* utilities; current release
Three generation strategies