Tailwind CSS

Summary

Added a silent option to the CLI, support for @apply with CSS mixins, @variant inside addBase, improved @source globs handling, and ESM type declarations for @tailwindcss/postcss.

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Incremental rebuilds are faster in projects with many imported CSS files.

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Added new utilities: container size, scrollbar (width, colors, gutter), zoom, tab, and expanded @variant support for stacked and compound variants.

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Fix Ensure imports in @import and @plugin to resolve correctly when using Vite aliases in @tailwindcss/vite.

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Enhanced canonicalization: collapse redundant utilities, handle signs in arbitrary values, and migrate legacy utilities (e.g., overflow‑ellipsis → text‑ellipsis).

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Add Vite 8 support and skip full reload for server‑only modules in @tailwindcss/vite

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Fixed handling of trailing dashes in functional utility names to preserve backward compatibility.

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Added new color palettes (mauve, olive, mist, taupe) and many utilities for block/inline spacing, scrolling, borders, insets, font features, and a Tailwind CSS webpack plugin.

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Fixed source validation, CSS parse error reporting, Ruby comment handling, and CLI stability (duplicate args, /dev/stdout hangs, source maps during watch).

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Fixed bug where sibling() functions were broken inside calc() expressions (issue #19335).

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Fixed @variant substitution issue in legacy JavaScript APIs.

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Fixed handling of discard candidates with empty data types.

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Fixed multiple rendering and parsing bugs: Safari devtools color‑mix fallback, theme key resolution, tab handling in at‑rules, theme() string indexing, and isolation of important utilities

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Fixed numerous extraction and generation bugs, including ClojureScript syntax handling, duplicate CSS prevention, grid utility generation, CLI watcher cleanup, and class detection in markdown and Maud templates.

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Fix raw support queries in arbitrary values and resolve require.cache errors when loading TypeScript files in newer Node versions

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Fixed CSS emission and transition bugs, including duplicate declarations and visibility transitions

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Fixed numerous parsing and extraction bugs (global important state, Clojure keywords, false‑positive migrations, CLI help on Windows, etc.).

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Fixed the heuristic to skip candidate migrations inside emit() calls.

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Fixed incorrectly generated CSS for percentage values in arbitrary calc expressions.

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Fixed parsing of custom properties with semicolons in strings

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Improved error handling with clearer messages for @apply failures and fixed crashes (malformed arbitrary values, PostCSS toJSON, Haml preprocessing).

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Added caching for faster template migration and introduced migration of bare values to named values.

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Added automatic conversion of arbitrary values to named values, parallel dependency updates, and source‑map generation in development.

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Added @tailwindcss/upgrade support, new height/line‑height utilities, and transition handling for display, visibility, content‑visibility, overlay, and pointer‑events.

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Added experimental @tailwindcss/oxide WASM target for running Tailwind in browser environments like StackBlitz.

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Fixed warning for unsupported bare value data type in value() calls

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Fixed multiple utility and polyfill issues, including @layer base reliance, multiple inset shadows, drop‑shadow utilities, and color‑mix fallbacks

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Fixed disabling padding in @source inline brace expansion

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Added many new utility variants (content, inverted colors, pointers, safe alignment, text‑shadow, mask, bg position/size, shadow opacity/color, wrap, etc.) and enhanced @source handling and legacy config support.

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Fix CLI hang when processing Ruby files

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Added support for literal values in `value('…')` and `modifier('…')`, plus missing suggestions for `spacing(value(integer, number))`, and introduced the `::webkit-details-marker` pseudo-element to the marker variant.

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Fixed multiple bugs: corrected bg‑conic angle handling, border width parsing, Safari 16.4/16.5 crash, Linux worker segfault, and class extraction in Slim templates; removed redundant line‑height from Preflight.

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Fixed candidate extraction failures with JavaScript string interpolation (${...})

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Fixed Haml, Pug, and Slim pre‑processor handling, including dot‑containing candidates and preprocessing errors

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Fixed URL rebasing for Vite and PostCSS in transitively imported CSS files

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Fixed extraction of classes containing numbers followed by dash or underscore

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Added new grid column/row utilities (col <number>, row <number>) and re‑enabled !important on CSS variables.

Summary

Imported from changelog source; review and generate a concise summary before publishing.

Summary

Imported from changelog source; review and generate a concise summary before publishing.

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Fixed multiple compatibility and utility bugs, including backward‑compatible exports, numeric suggestion sorting, fraction IntelliSense, default outline width handling, drop‑shadow inheritance, Next.js splat route scanning, and nested ru...

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Fixed revert change that added unused theme variables to compiled CSS.

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Add a new @theme static option to always include theme variables in compiled CSS

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Fixed crashes and parsing issues with JS theme values, escaped underscores in CSS variables, and ensured @keyframes are generated across multiline animation variables.

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Fixed bug where @import url() statements were incorrectly removed

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Fixed multiple CSS processing bugs (positive grid utilities, escaped theme variables, invalid/empty declarations, camelCasing of CSS custom properties, @keyframes emission, @variant handling)

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Fixed numerous utility generation issues (invalid min/max, font size modifiers, spacing variable handling, etc.)

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Introduces a high‑performance engine (up to 5× faster full builds, 100× faster incremental) with CSS‑first configuration and native CSS variables.

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Added a workaround to fix compatibility issues with Node v22.12+.

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Fix TypeScript types for PluginsConfig to allow undefined values.

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Bumped package versions to address security vulnerabilities (14697)

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Fixed issue where elements with hidden="until found" were incorrectly given display:none

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Improved source glob verification performance

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Fixed @apply with utilities that use @defaults to work with base-layer rules when optimizeUniversalDefaults is enabled.

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Imported from changelog source; review and generate a concise summary before publishing.

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Fixed plugin version bump behavior in the Standalone CLI (issue #14185).

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Fixed unnecessary warnings when broad glob patterns match vendor directories.

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Fixed minification failure when using nested CSS.

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Fix class detection in Slim templates with attached attributes and IDs (issue 14019)

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Fix utility detection in Slim/Pug templates

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Fixed var() injection for anchor properties and corrected backdrop blur utilities to use no value instead of blur(0px)

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Fixed multiple <alpha> placeholders in color definitions and corrected class prefixing for has/group/peer variants.

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Imported from changelog source; review and generate a concise summary before publishing.

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Fixed JIT engine incorrectly generating CSS when using PostCSS 7

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Multiple bug fixes covering max specificity for button/input preflight rules, improved glob handling for special characters, Intellisense crash with custom separators, reset form element letter‑spacing, missing xx‑large size fix, nested ...

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Fixed removal of keyframe stops with important utilities and spacing issues in gradients/grid track names when using calc()

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Added new height, width, and spacing utilities (svh, lvh, dvh) plus an expanded opacity scale and larger default grid row range

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Fixed container query utilities to accept arbitrary values

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Fixed several crashes and output bugs, including negative number spacing, @config emission during CLI watch, variant handling on negated utilities, slashes in arbitrary modifiers, source maps for @layer variants, and loading built‑in plu...

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Fixed incorrect spaces around operators in calc() expressions

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Fix and improve handling of calc() functions, arbitrary property syntax, and variant matching in the regex parser

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Fixed selector generation for pseudo‑element variants, corrected theme() parsing in calc() and improved handling of unknown pseudo elements and animation name escaping

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Fixed selector handling bugs (unknown pseudo‑elements, gradient stop inheritance, and default gradient positions)

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Fixed edge‑case bug when loading a TypeScript config file with webpack

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Added numerous new utilities including ESM/TS config support, expanded color palette, line‑height modifiers, arbitrary variable values, logical properties, hyphenation, position shortcuts, list‑style‑image, caption‑side, core line‑clamp,...

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Fix use of :where(.btn) when matching !btn

Summary

Imported from changelog source; review and generate a concise summary before publishing.

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Added a standalone CLI build for Windows ARM64, a container‑queries plugin, a watch=always option, and support for renaming output files via PostCSS plugins.

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Add blocklist option to prevent unwanted CSS generation

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Fixed CLI raw content handling and improved detection of files that are both context and content dependencies.

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Fixed handling of escape characters, array merging, and container reuse in config resolution and variant functions.

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Fixed missing supports in type definitions

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Added new @config directive, relative config paths, supports, min/max, aria and data variants, plus many new utilities such as break‑keep, collapse, fill‑none, stroke‑none, and baseline placement utilities.

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Fixed class prefix handling in reused arbitrary variants

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Imported from changelog source; review and generate a concise summary before publishing.

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Fixed usage on Node 12.x

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Add default font weight per font size utility and support alpha values in safe list

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Provide default <alpha> value when using theme()

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Fixed extraction of multi‑word utilities with arbitrary values and quotes, and corrected the import casing for the corePluginList type definition.

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Fixed handling of backslash as a valid arbitrary variant token (issue 8576).

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Resolved candidate extractor regression (issue 8558)

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Add dozens of new utilities (border‑spacing, text‑start/end, grid‑flow dense, mix‑blend‑plus‑lighter, etc.) and expand TypeScript support for tailwind.config.js and plugins

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Fixed numerous bugs affecting plugin interaction, source maps, selector handling, animation name parsing, arbitrary values, and added support for custom properties in color functions

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Fixed removal of opacity variables from :visited pseudo‑class

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Imported from changelog source; review and generate a concise summary before publishing.

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Moved prettier plugin from dependencies to dev dependencies

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Exposed new helper function context.sortClassList(classes) for sorting class lists.

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Fixed preflight border color fallback and improved URL handling in custom properties

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Fixed @apply order regression in addComponents, addUtilities, and related functions.

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Imported from changelog source; review and generate a concise summary before publishing.

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Fixed transpilation of Tailwind CSS Nesting plugin (postcss nesting)

Summary

Imported from changelog source; review and generate a concise summary before publishing.

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Add warnings for invalid content configuration

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Fixed issue where consecutive builds with `at apply` produced differing CSS

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Fixed handling of falsy values in theme config and improved selector grouping for @apply.