Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

• Add support for prefixes (#14501)
• Expose timing information in debug mode (#14553)
• Add support for blocklist in config files (#14556)
• Experimental: Migrate @import "tailwindcss/tailwind.css" to @import "tailwindcss" (#14514)
• Experimental: Add template codemods for migrating bg-gradient-* utilities to bg-linear-* (#14537)
• Experimental: Add template codemods for migrating prefixes (#14557)
• Experimental: Add template codemods for removal of automatic var(…) injection (#14526)
• Experimental: Add template codemods for migrating important utilities (e.g. !flex to flex!) (#14502)

Fixed

• Use the right import base path when using the CLI to reading files from stdin (#14522)
• Ensure that @utility is top-level and cannot be nested (#14525)
• Editing imported CSS files should trigger a rebuild (#14561)
• Experimental: Improve codemod output, keep CSS after last Tailwind directive unlayered (#14512)
• Experimental: Fix incorrect empty layer() at the end of @import at-rules when running codemods (#14513)
• Experimental: Do not wrap comment nodes in @layer when running codemods (#14517)
• Experimental: Ensure we don't lose selectors when running codemods (#14518)
• Experimental: inject @import in a more expected location when running codemods (#14536)

Changed

• Disallow bare values with decimal places (#14562)

[4.0.0-alpha.25] - 2024-09-24

Added

• Add support for aria, supports, and data variants defined in JS config files (#14407)
• Add @tailwindcss/upgrade tooling (#14434)
• Support screens in JS config files (#14415)
• Add bg-radial-* and bg-conic-* utilities for radial and conic gradients (#14467)
• Add new shadow-initial and inset-shadow-initial utilities for resetting shadow colors (#14468)
• Add field-sizing-* utilities (#14469)
• Include gradient color properties in color transitions (#14489)
• Experimental: Add CSS codemods for @apply (#14411)
• Experimental: Add CSS codemods for migrating @tailwind directives (#14411, #14504)
• Experimental: Add CSS codemods for migrating @layer utilities and @layer components (#14455)

Fixed

• Support borderRadius.* as an alias for --radius-* when using dot notation inside the theme() function (#14436)
• Ensure individual variants from groups are always sorted earlier than stacked variants from the same groups (#14431)
• Allow anchor-size(…) in arbitrary values (#14394)
• Skip candidates with invalid theme() calls (#14437)
• Don't generate inset-* utilities for --inset-shadow-* and --inset-ring-* theme values (#14447)
• Include --default-transition-* variables in transition-* utility output (#14482)
• Ensure rtl and ltr variants work with [dir=auto] (#14306)

Changed

• Preserve explicit leading-*, tracking-*, and font-{weight} value when overriding font-size (#14403)
• Disallow negative bare values in core utilities and variants (#14453)
• Preserve explicit shadow color when overriding shadow size (#14458)
• Preserve explicit transition duration and timing function when overriding transition property (#14490)
• Change the implementation for @import resolution to speed up initial builds (#14446)
• Remove automatic var(…) injection (#13657)
• Only apply :hover states on devices that support @media (hover: hover) (#14500)

[4.0.0-alpha.24] - 2024-09-11

Added

• Support CSS theme() functions inside other @custom-media, @container, and @supports rules (#14358)
• Export Config type from tailwindcss for JS config files (#14360)
• Add support for matchVariant plugins using the @plugin directive (#14371)
• Warn when the tailwindcss package is used as a PostCSS plugin (#14378)

Fixed

• Ensure there is always CLI feedback on save even when no new classes were found (#14351)
• Properly resolve theme('someKey.DEFAULT') when all --some-key-* keys have a suffix (#14354)
• Make sure tuple theme values in JS configs take precedence over @theme default values (#14359)
• Improve IntelliSense completions for border utilities (#14370)

[4.0.0-alpha.23] - 2024-09-05

Added

• Add opacity modifier support to the theme() function in plugins (#14348)

[4.0.0-alpha.22] - 2024-09-04

Added

• Support TypeScript for @plugin and @config files (#14317)
• Add default option to @theme to support overriding default theme values from plugins/JS config files (#14327)
• Add support for <style> tags in Astro files to the Vite plugin (#14340)

Fixed

• Ensure content globs defined in @config files are relative to that file (#14314)
• Ensure CSS theme() functions are evaluated in media query ranges with collapsed whitespace (#14321)
• Fix support for Nuxt projects in the Vite plugin (requires Nuxt 3.13.1+) (#14319)
• Evaluate theme functions in plugins and JS config files (#14326)
• Ensure theme values overridden with reference values don't generate stale CSS variables (#14327)
• Don’t suggest named opacity modifiers in IntelliSense (#14339)
• Fix a crash with older Node.js versions (#14342)
• Support defining theme values as arrays of strings in JS config files (#14343)
• Ensure --default-font-* and --default-mono-font-* variables respect theme customizations in JS config files (#14344)

[4.0.0-alpha.21] - 2024-09-02

Added

• Add new standalone builds of Tailwind CSS v4 (#14270)
• Support JavaScript configuration files using @config (#14239)
• Support plugin options in @plugin (#14264)
• Add support for using the Vite extension with css.transformer set to lightningcss (#14269)

Fixed

• Bring back type exports for the cjs build of @tailwindcss/postcss (#14256)
• Correctly merge tuple values when using the plugin API (#14260)
• Handle arrays in the CSS theme() function when using plugins (#14262)
• Fix fallback values when using the CSS theme() function (#14262)
• Fix support for declaration fallbacks in plugins (#14265)
• Support bare values when using tailwindcss/defaultTheme (#14257)
• Correctly update builds when using the Vite extension with build --watch (#14269)

Changed

• Remove named opacity support for color opacity modifiers (#14278)

[4.0.0-alpha.20] - 2024-08-23

Added

• Add support for addBase plugins using the @plugin directive (#14172)
• Add support for the tailwindcss/plugin export (#14173)
• Add support for the theme() function in plugins (#14207)
• Add support for addComponents, matchComponents, prefix plugin APIs (#14221)
• Add support for tailwindcss/colors and tailwindcss/defaultTheme exports for use with plugins (#14221)
• Add support for the @tailwindcss/typography and @tailwindcss/forms plugins (#14221)
• Add support for the theme() function in CSS and class names (#14177)
• Add support for matching multiple utility definitions for one candidate (#14231)

Fixed

• Don't wrap relative selectors in arbitrary variants with :is(…) (#14203)

[4.0.0-alpha.19] - 2024-08-09

Added

• Add support for inline option when defining @theme values (#14095)
• Add inert variant (#14129)
• Add support for explicitly registering content paths using new @source at-rule (#14078)
• Add support for scanning <style> tags in Vue files to the Vite plugin (#14158)
• Add support for basic addUtilities and matchUtilities plugins using the @plugin directive (#14114)

Fixed

• Ensure @apply works inside @utility (#14144)

[4.0.0-alpha.18] - 2024-07-25

Added

• Add support for basic addVariant plugins with new @plugin directive (#13982, #14008)
• Add @variant at-rule for defining custom variants in CSS (#13992, #14008)
• Add @utility at-rule for defining custom utilities in CSS (#14044)

Fixed

• Discard invalid classes such as bg-red-[#000] (#13970)
• Fix parsing body-less at-rule without terminating semicolon (#13978)
• Ensure opacity modifier with variables work with color-mix() (#13972)
• Discard invalid variants and utilities with modifiers (#13977)
• Add missing utilities that exist in v3, such as resize, fill-none, accent-none, drop-shadow-none, and negative hue-rotate and backdrop-hue-rotate utilities (#13971)
• Don’t allow at-rule-only variants to be compounded (#14015)
• Ensure compound variants work with variants with multiple selectors (#14016)
• Ensure attribute values in data-* and aria-* modifiers are always quoted in the generated CSS (#14040)

Changed

• Reduce the specificity of the * variant so those styles can be overridden by child elements (#14056)

[4.0.0-alpha.17] - 2024-07-04

Added

• Add rounded-4xl utility (#13827)
• Add backdrop-blur-none and blur-none utilities (#13831)
• Include variable in output for bare utilities like rounded (#13836)

Fixed

• Support combining arbitrary shadows without a color with shadow color utilities (#13876)
• Ensure @property fallbacks work correctly with properties with no initial-value (#13949)

[4.0.0-alpha.16] - 2024-06-07

Added

• Add nth-* variants (#13661)
• Add bg-linear-* utilities as an alias for the existing bg-gradient-* utilities (#13783)
• Support arbitrary linear gradient angles (e.g. bg-linear-[125deg]) (#13783)

Fixed

• Use length data type for background-size instead of background-position (#13771)
• Support negative values for {col,row}-{start,end} utilities (#13780)
• Use long form <length> | <percentage> syntax for properties (#13660)
• Fix background position value of bg-right-top, bg-right-bottom, bg-left-bottom and bg-left-top (#13806)

[4.0.0-alpha.15] - 2024-05-08

Fixed

• Make sure contain-* utility variables resolve to a valid value (#13521)
• Support unbalanced parentheses and braces in quotes in arbitrary values and variants (#13608)
• Add fallbacks for @property rules for Firefox (#13655)

Changed

• Use rem units for breakpoints by default instead of px (#13469)
• Use natural sorting when sorting classes (#13507, #13532)

[4.0.0-alpha.14] - 2024-04-09

Fixed

• Ensure deterministic SSR builds in @tailwindcss/vite (#13457)

Changed

• Apply variants from left to right instead of inside-out (#13478)
• Don't special-case [hidden] elements in space-*/divide-* utilities (#13459)

[4.0.0-alpha.13] - 2024-04-04

Fixed

• Always inline values for shadow-* utilities to ensure shadow colors work correctly (#13449)

[4.0.0-alpha.12] - 2024-04-04

Fixed

• Enable Vite's waitForRequestsIdle() for client requests only (#13394)
• Make sure ::first-letter respects ::selection styles (#13408)

[4.0.0-alpha.11] - 2024-03-27

Added

• Make rotate-x/y/z-* utilities composable (#13319)
• Apply Vite's CSS plugin transform to Tailwind-generated CSS in @tailwindcss/vite (e.g. inlining images) (#13218)
• Add starting variant for @starting-style (#13329)
• Target :popover-open in existing open variant (#13331)

Fixed

• Remove percentage values for translate-z utilities (#13321, #13327)
• Generate unique CSS bundle hashes in @tailwindcss/vite when Tailwind-generated CSS changes (#13218)
• Inherit letter spacing in form controls (#13328)
• Ensure build command is executed when using --output instead of -o (#13369)
• Prevent @tailwindcss/vite from hanging in serve mode (#13380)

[4.0.0-alpha.10] - 2024-03-19

Added

• Add inherit as a universal color (#13258)
• Add 3D transform utilities (#13248, #13288)

Fixed

• Validate bare values (#13245)
• Parse candidates in .svelte files with class:abc="condition" syntax (#13274)

Changed

• Inline @import rules in tailwindcss/index.css at publish time for better performance (#13233)
• Include custom properties with fallbacks in utility class values (#13177)

[4.0.0-alpha.9] - 2024-03-13

Added

• Support @theme reference { … } for defining theme values without emitting variables (#13222)

Fixed

• Fix incorrect properties in line-clamp utilities (#13220)
• Don't rely on existence of --default-transition-* variables in transition-* utilities (#13219)

Changed

• Move optimizeCss to the packages where it's used (#13230)

[4.0.0-alpha.8] - 2024-03-11

Fixed

• Ensure scale-* utilities support percentage values (#13182)
• Prevent content-none from being overridden when conditionally styling ::before/::after (#13187)
• Remove default borders from iframe elements (#13189)

Changed

• Replace --radius-none and --radius-full theme values with static rounded-none and rounded-full utilities (#13186)

Added

• Improve performance of incremental rebuilds for @tailwindcss/cli (#13169)
• Improve performance of incremental rebuilds for @tailwindcss/postcss (#13170)

[4.0.0-alpha.7] - 2024-03-08

Added

• Add font-stretch utilities (#13153)
• Publish packages with npm provenance (#13160)
• Build native packages for Android (#13115, #13161)
• Make CSS optimization and minification configurable in PostCSS plugin and CLI (#13130)

Fixed

• Don't error on @apply with leading/trailing whitespace (#13144)
• Correctly parse CSS using Windows line endings (#13162)

[4.0.0-alpha.6] - 2024-03-07

Fixed

• Only set border-style for appropriate border side (#13124)

Changed

• Error when @theme contains unsupported rules/declarations (#13125)

[4.0.0-alpha.5] - 2024-03-06

Fixed

• Don't scan ignored files even if a .git folder is not present (#13119)

[4.0.0-alpha.4] - 2024-03-06

Fixed

• Support importing framework CSS files without including a .css extension (#13110)

[4.0.0-alpha.3] - 2024-03-06

Added

• Support putting the important modifier at the beginning of a utility (#13103)

Fixed

• Node compatibility fix (#13104)

Changes

• Drop deprecated decoration-slice and decoration-clone utilities (#13107)

[4.0.0-alpha.2] - 2024-03-06

Changed

• Move the CLI into a separate @tailwindcss/cli package (#13095)

[4.0.0-alpha.1] - 2024-03-06