fix(deps): update dependency tailwindcss to v4

[homarr-renovate]

This PR contains the following updates:

Package	Type	Update	Change
tailwindcss (source)	dependencies	major	^3.4.17 -> ^4.1.4

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Release Notes

tailwindlabs/tailwindcss (tailwindcss)

v4.1.4

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Added

• Add experimental @tailwindcss/oxide-wasm32-wasi target for running Tailwind in browser environments like StackBlitz (#​17558)

Fixed

• Ensure color-mix(…) polyfills do not cause used CSS variables to be removed (#​17555)
• Ensure color-mix(…) polyfills create fallbacks for theme variables that reference other theme variables (#​17562)
• Fix brace expansion in declining ranges like {10..0..5} and {0..10..-5} (#​17591)
• Work around a Chrome rendering bug when using the skew-* utilities (#​17627)
• Ensure container query variant names can contain hyphens (#​17628)
• Ensure shadow-inherit, inset-shadow-inherit, drop-shadow-inherit, and text-shadow-inherit inherit the shadow color (#​17647)
• Ensure compatibility with array tuples used in fontSize JS theme keys (#​17630)
• Ensure folders with binary file extensions in their names are scanned for utilities (#​17595)
• Upgrade: Convert fontSize array tuple syntax to CSS theme variables (#​17630)

v4.1.3

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Fixed

• Show warning when using unsupported bare value data type in --value(…) (#​17464)
• PostCSS: Ensure changes to the input CSS file don't generate stale output when using Turbopack (#​17554)
• Ensure classes are detected in Ruby's %w syntax in Slim templates (#​17557)

v4.1.2

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Fixed

• Don't rely on the presence of @layer base to polyfill @property (#​17506)
• Support setting multiple inset shadows as arbitrary values (#​17523)
• Fix drop-shadow-* utilities that are defined with multiple shadows (#​17515)
• PostCSS: Fix race condition when two changes are queued concurrently (#​17514)
• PostCSS: Ensure files containing @tailwind utilities are processed (#​17514)
• Ensure the color-mix(…) polyfill creates fallbacks even when using colors that cannot be statically analyzed (#​17513)
• Fix slow incremental builds with @tailwindcss/vite and @tailwindcss/postscss (especially on Windows) (#​17511)
• Vite: Fix missing CSS file in Qwik setups (#​17533)

v4.1.1

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Fixed

• Disable padding in @source inline(…) brace expansion (#​17491)
• Inject polyfills after @import and body-less @layer (#​17493)
• Ensure @tailwindcss/cli does not contain an import for jiti (#​17502)

v4.1.0

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Added

• Add details-content variant (#​15319)
• Add inverted-colors variant (#​11693)
• Add noscript variant (#​11929, #​17431)
• Add items-baseline-last and self-baseline-last utilities (#​13888, #​17476)
• Add pointer-none, pointer-coarse, and pointer-fine variants (#​16946)
• Add any-pointer-none, any-pointer-coarse, and any-pointer-fine variants (#​16941)
• Add safe alignment utilities (#​14607)
• Add user-valid and user-invalid variants (#​12370)
• Add wrap-anywhere, wrap-break-word, and wrap-normal utilities (#​12128)
• Add @source inline(…) and @source not inline(…) (#​17147)
• Add @source not "…" (#​17255)
• Add text-shadow-* utilities (#​17389)
• Add mask-* utilities (#​17134)
• Add bg-{position,size}-* utilities for arbitrary values (#​17432)
• Add shadow-*/<alpha>, inset-shadow-*/<alpha>, drop-shadow-*/<alpha>, and text-shadow-*/<alpha> utilities to control shadow opacity (#​17398, #​17434)
• Add drop-shadow-<color> utilities (#​17434)
• Improve compatibility with older versions of Safari and Firefox (#​17435)

Fixed

• Follow symlinks when resolving @source directives (#​17391)
• Don't scan ignored files for classes when changing an ignored file triggers a rebuild using @tailwindcss/cli (#​17255)
• Support negated content rules in legacy JavaScript configuration (#​17255)
• Interpret syntax like @("@​")md:… as @md:… in Razor files (#​17427)
• Disallow top-level braces, top-level semicolons, and unbalanced parentheses and brackets in arbitrary values (#​17361)
• Ensure the --theme(…) function still resolves to the CSS variables when using legacy JS plugins (#​17458)
• Detect used theme variables in CSS module files (#​17433, #​17467)

Changed

• Ignore node_modules by default (can be overridden by @source … rules) (#​17255)
• @source rules that include file extensions or point inside node_modules/ folders no longer consider your .gitignore rules (#​17255)
• Deprecate bg-{left,right}-{top,bottom} in favor of bg-{top,bottom}-{left,right} utilities (#​17378)
• Deprecate object-{left,right}-{top,bottom} in favor of object-{top,bottom}-{left,right} utilities (#​17437)

v4.0.17

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Fixed

• Fix an issue causing the CLI to hang when processing Ruby files (#​17383)

v4.0.16

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Added

• Add support for literal values in --value('…') and --modifier('…') (#​17304)

Fixed

• Fix class extraction followed by ( in Pug (#​17320)
• Ensure @keyframes for theme animations are emitted if they are referenced following a comma (#​17352)
• Vite: Ensure that updates to an imported CSS file are properly propagated after updating source files (#​17347)
• Pre process Slim templates embedded in Ruby files (#​17336)
• Error when input and output files resolve to the same file when using the CLI (#​17311)
• Add missing suggestions when --spacing(--value(integer, number)) is used (#​17308)
• Add ::-webkit-details-marker pseudo to marker variant (#​17362)

v4.0.15

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Fixed

• Fix incorrect angle in -bg-conic-* utilities (#​17174)
• Fix border-[12px_4px] being interpreted as a border-color instead of a border-width (#​17248)
• Work around a crash in Safari 16.4 and 16.5 when using the default Preflight styles (#​17306)
• Pre-process <template lang="…"> in Vue files (#​17252)
• Ensure that all CSS variables used by Preflight are prefixed (#​17036)
• Prevent segfault when loaded in a worker thread on Linux (#​17276)
• Ensure multiple --value(…) or --modifier(…) calls don't delete subsequent declarations (#​17273)
• Fix class extraction followed by ( in Slim (#​17278)
• Export PluginUtils from tailwindcss/plugin for compatibility with v3 (#​17299)
• Remove redundant line-height: initial from Preflight (#​15212)
• Increase Standalone hardware compatibility on macOS x64 builds (#​17267)
• Ensure that the CSS file rebuilds if a new CSS variable is used from templates (#​17301)

Changed

• The --theme(…) function now returns CSS variables from your theme variables unless used inside positions where CSS variables are invalid (e.g. inside @media queries) (#​17036)

v4.0.14

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Fixed

• Do not extract candidates with JS string interpolation ${ (#​17142)
• Fix extraction of variants containing . character (#​17153)
• Fix extracting candidates in Clojure/ClojureScript (#​17087)

v4.0.13

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Fixed

• Fix Haml pre-processing (#​17051)
• Ensure .node and .wasm files are not scanned for utilities (#​17123)
• Improve performance when scanning JSON files (#​17125)
• Fix extracting candidates containing dots in Haml, Pug, and Slim pre processors (#​17094, #​17085, #​17113)
• Don't create invalid CSS when encountering a link wrapped in square brackets (#​17129)

v4.0.12

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Fixed

• Vite: Fix url(…) rebasing in transitively imported CSS files (#​16965)
• PostCSS: Rebase url(…)s in imported CSS files (#​16965)
• Ensure utilities are sorted based on their actual property order (#​16995)
• Ensure strings in Pug and Slim templates are handled correctly (#​17000)
• Ensure classes between } and { are properly extracted (#​17001)
• Fix razor/cshtml pre-processing (#​17027)
• Ensure extracting candidates from JS embedded in a PHP string works as expected (#​17031)

v4.0.11

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Fixed

• Ensure classes containing -- are extracted correctly (#​16972)
• Ensure classes containing numbers followed by dash or underscore are extracted correctly (#​16980)
• Ensure arbitrary container queries are extracted correctly (#​16984)
• Ensure classes ending in [ are extracted in Slim templating language (#​16985)
• Ensure arbitrary variables with data types are extracted correctly (#​16986)

v4.0.10

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Added

• Add col-<number> and row-<number> utilities for grid-column and grid-row (#​15183)

Fixed

• Ensure not-* does not remove :is(…) from variants (#​16825)
• Ensure @keyframes are correctly emitted when using a prefix (#​16850)
• Don't swallow @utility declarations when @apply is used in nested rules (#​16940)
• Ensure outline-hidden behaves like outline-none outside of forced colors mode (#​16943)
• Allow !important on CSS variables again (#​16873)
• Vite: Do not crash when encountering an .svg file with # or ? in the filename (#​16957)
• Ensure utilities are properly detected within square brackets (#​16306)
• Ensure utilities are properly detected using Angular's conditional class binding syntax (#​16306)
• Ensure utilities starting with numbers are properly extracted from Slim templates (#​16306)
• Discard arbitrary property candidates that have guaranteed-invalid property names (#​16306)

Changed

• Removed max-w-auto and max-h-auto utilities as they generate invalid CSS (#​16917)
• Replaced the existing candidate extractor with a brand new extractor to improve maintainability, correctness, and performance (#​16306)

v4.0.9

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Fixed

• Make JS APIs available to plugins and configs in the Standalone CLI (#​15934)
• Vite: Don't crash when importing a virtual module from JavaScript that ends in .css (#​16780)
• Fix an issue where @reference "…" would sometimes omit keyframe animations (#​16774)
• Ensure z-*! utilities are properly marked as !important (#​16795)
• Read UTF-8 CSS files that start with a byte-order mark (BOM) (#​16800)
• Ensure nested functions in selectors used with JavaScript plugins are not truncated (#​16802)

Changed

• Emit variable fallbacks when using @reference "…" instead of duplicate CSS variable declarations (#​16774)

v4.0.8

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Added

• Allow @import with theme(…) options for stylesheets that contain more than just @theme rules (#​16514)

Fixed

• Don't add !important to CSS variable declarations when using the important modifier (#​16668)
• Vite: Ignore files and directories specified in your .gitignore file when using automatic source detection(#​16631)
• Vite: Don't rely on the module graph for detecting candidates to ensure setups with multiple Vite builds work as expected (#​16631)
• Vite: Ensure Astro production builds always contain classes used in client-only components (#​16631)
• Vite: Always scan raw file contents for utility classes before any other transforms have been applied to ensure utility classes are scanned without any additional escaping (#​16631)
• Ensure utilities with more declarations are always sorted before utilities with fewer declarations when utilities only define CSS variables (#​16715)
• Only include translate-z-px utilities once in compiled CSS (#​16718)

Changed

• Don't include theme variables that aren't used in compiled CSS (#​16211, #​16676)

v4.0.7

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Fixed

• Export tailwindcss/lib/util/flattenColorPalette.js for backward compatibility (#​16411)
• Fix sorting of numeric utility suggestions when they have different magnitudes (#​16414)
• Show suggestions for fractions in IntelliSense (#​16353)
• Don’t replace _ in suggested theme keys (#​16433)
• Ensure --default-outline-width can be used to change the outline-width value of the outline utility (#​16469)
• Ensure drop shadow utilities don't inherit unexpectedly (#​16471)
• Export config and plugin types from tailwindcss/plugin for backward compatibility (#​16505)
• Ensure JavaScript plugins that emit nested rules referencing the utility name work as expected (#​16539)
• Statically link Visual Studio redistributables in @tailwindcss/oxide Windows builds (#​16602)
• Ensure that Next.js splat routes are scanned for classes (#​16457)
• Pin exact version of tailwindcss in @tailwindcss/* packages (#​16623)
• Upgrade: Report errors when updating dependencies (#​16504)
• Upgrade: Ensure a darkMode JS config setting with block syntax converts to use @slot (#​16507)
• Upgrade: Ensure the latest version of tailwindcss and @tailwindcss/postcss are installed when upgrading (#​16620)

v4.0.6

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Fixed

• Revert change to no longer include theme variables that aren't used in compiled CSS (#​16403)
• Upgrade: Don't migrate blur to blur-sm when used with Next.js <Image placeholder="blur" /> (#​16405)

v4.0.5

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Added

• Add @theme static option for always including theme variables in compiled CSS (#​16211)

Fixed

• Remove rogue console.log from @tailwindcss/vite (#​16307)

Changed

• Don't include theme variables that aren't used in compiled CSS (#​16211)

v4.0.4

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Fixed

• Fix a crash when setting JS theme values to null (#​16210)
• Ensure escaped underscores in CSS variables in arbitrary values are properly unescaped (#​16206)
• Ensure that the containers JS theme key is added to the --container-* namespace (#​16169)
• Ensure theme @keyframes are generated even if an --animation-* variable spans multiple lines (#​16237)
• Vite: Skip parsing stylesheets with the ?commonjs-proxy flag (#​16238)
• Fix order-first and order-last for Firefox (#​16266)
• Fix support for older instruction sets on Linux x64 builds of the standalone CLI (#​16244)
• Ensure NODE_PATH is respected when resolving JavaScript and CSS files (#​16274)
• Ensure Node addons are packaged correctly with FreeBSD builds (#​16277)
• Fix an issue where @variant inside a referenced stylesheet could cause a stack overflow (#​16300)

v4.0.3

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Fixed

• Fix incorrect removal of @import url(); (#​16144)

v4.0.2

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Fixed

• Only generate positive grid-cols-* and grid-rows-* utilities (#​16020)
• Ensure escaped theme variables are handled correctly (#​16064)
• Ensure we process Tailwind CSS features when only using @reference or @variant (#​16057)
• Refactor gradient implementation to work around prettier/prettier#17058 (#​16072)
• Vite: Ensure hot-reloading works with SolidStart setups (#​16052)
• Vite: Fix a crash when starting the development server in SolidStart setups (#​16052)
• Vite: Don't rebase URLs that appear to be aliases (#​16078)
• Vite: Transform <style> blocks in HTML files (#​16069)
• Prevent camel-casing CSS custom properties added by JavaScript plugins (#​16103)
• Do not emit @keyframes in @theme reference (#​16120)
• Discard invalid declarations when parsing CSS (#​16093)
• Do not emit empty CSS rules and at-rules (#​16121)
• Handle @variant when at the top-level of a stylesheet (#​16129)

v4.0.1

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Fixed

• Fix an issue causing the CLI to hang when processing Ruby files (#​17383)

v4.0.0

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Added

• New high-performance engine — where full builds are up to 5x faster, and incremental builds are over 100x faster — and measured in microseconds.
• Designed for the modern web — built on cutting-edge CSS features like cascade layers, registered custom properties with @property, and color-mix().
• Simplified installation — fewer dependencies, zero configuration, and just a single line of code in your CSS file.
• First-party Vite plugin — tight integration for maximum performance and minimum configuration.
• Automatic content detection — all of your template files are discovered automatically, with no configuration required.
• Built-in import support — no additional tooling necessary to bundle multiple CSS files.
• CSS-first configuration — a reimagined developer experience where you customize and extend the framework directly in CSS instead of a JavaScript configuration file.
• CSS theme variables — all of your design tokens exposed as native CSS variables so you can access them anywhere.
• Dynamic utility values and variants — stop guessing what values exist in your spacing scale, or extending your configuration for things like basic data attributes.
• Modernized P3 color palette — a redesigned, more vivid color palette that takes full advantage of modern display technology.
• Container queries — first-class APIs for styling elements based on their container size, no plugins required.
• New 3D transform utilities — transform elements in 3D space directly in your HTML.
• Expanded gradient APIs — radial and conic gradients, interpolation modes, and more.
• @​starting-style support — a new variant you can use to create enter and exit transitions, without the need for JavaScript.
• not-* variant — style an element only when it doesn't match another variant, custom selector, or media or feature query.
• Even more new utilities and variants — including support for color-scheme, field-sizing, complex shadows, inert, and more.

Start using Tailwind CSS v4.0 today by installing it in a new project, or playing with it directly in the browser on Tailwind Play.

For existing projects, we've published a comprehensive upgrade guide and built an automated upgrade tool to get you on the latest version as quickly and painlessly as possible.

For a deep-dive into everything that's new, check out the announcement post.

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