Bump Tailwind CSS to 4.0.0-beta.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@​tailwindcss/postcss	4.0.0-beta.2 -> 4.0.0-beta.8
tailwindcss (source)	4.0.0-beta.2 -> 4.0.0-beta.8

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Release Notes

tailwindlabs/tailwindcss (tailwindcss)

v4.0.0-beta.8

Compare Source

Fixed

• Ensure Symbol.dispose and Symbol.asyncDispose are polyfilled (#​15404)

v4.0.0-beta.7

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Added

• Export tailwindcss/lib/util/flattenColorPalette for backward compatibility (#​15318)
• Improve debug logs to get better insights (#​15303)

Fixed

• Fix dependency related warnings when using @tailwindcss/postcss on Windows (#​15321)
• Skip creating a compiler for CSS files that should not be processed (#​15340)
• Fix missing shadow-none suggestion in IntelliSense (#​15342)
• Optimize AST before printing for IntelliSense (#​15347)
• Generate vendor prefixes for Chrome 111+ (e.g. -webkit-background-clip: text) (#​15389)

Changed

• Rename --aspect-ratio-* theme key to --aspect-* (#​15365)
• Derive aspect-video utility from theme (#​15365)

v4.0.0-beta.6

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Fixed

• Ensure @import "…" reference never generates utilities (#​15307)

v4.0.0-beta.5

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Added

• Parallelize parsing of individual source files (#​15270)
• Add new @import "…" reference option for importing Tailwind CSS configuration details into another CSS entry point without duplicating CSS (#​15228)
• Improve performance of @tailwindcss/postcss by translating between internal data structures and PostCSS nodes directly without additional parsing or stringification (#​15297)

Fixed

• Ensure absolute URLs inside imported CSS files are not rebased when using @tailwindcss/vite (#​15275)
• Fix issues with dev servers using Svelte 5 with @tailwindcss/vite (#​15274)
• Support installing @tailwindcss/vite in Vite 6 projects (#​15274)
• Fix resolution of imported CSS files in SSR builds with @tailwindcss/vite (#​15279)
• Ensure other plugins can run after @tailwindcss/postcss (#​15273)
• Rebase URLs inside imported CSS files when using Vite with the @tailwindcss/postcss extension (#​15273)
• Fix missing font family suggestions in IntelliSense (#​15288)
• Fix missing @container suggestion in IntelliSense (#​15288)

v4.0.0-beta.4

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Fixed

• Don't scan source files for utilities unless @tailwind utilities is present in the CSS in @tailwindcss/postcss and @tailwindcss/vite (#​15226)
• Skip reserializing CSS files that don't use Tailwind features in @tailwindcss/postcss and @tailwindcss/vite (#​15226)
• Upgrade (experimental): Do not migrate the overflow-clip utility (#​15244)
• Upgrade (experimental): Rename backdrop-blur to backdrop-blur-sm and backdrop-blur-sm to backdrop-blur-xs (#​15242)

v4.0.0-beta.3

Compare Source

Fixed

• Ensure any necessary vendor prefixes are generated for iOS Safari, Firefox, and Chrome (#​15166)
• Ensure .group and .peer are prefixed when using the prefix(…) option (#​15174)
• Ensure 3D transforms render correctly in Safari (#​15179)
• Ensure --spacing-* variables take precedence over --container-* variables (#​15180)
• Fix scanning classes delimited by tab characters (#​15169)
• Ensure opacity modifiers and semi-transparent gradients render correctly by default in Safari (#​15201)
• Fix element size thrashing when transitioning gradients on elements with a defined font-size in Safari (#​15216)
• Ensure translate-* utilities work with arbitrary values that use calc(…) (#​15215)
• Ensure gradient stop position utilities work with arbitrary values that use calc(…) (#​15215)
• Ensure Node addons are packaged correctly with Windows ARM builds (#​15171)
• Ensure the Vite plugin resolves CSS and JS files according to the configured resolver conditions ([#​15173])(https://github.com/tailwindlabs/tailwindcss/pull/15173)
• Upgrade (experimental): Migrate prefixes for .group and .peer classes (#​15208)

Changed

• Interpolate gradients using OKLAB instead of OKLCH by default (#​15201)
• Error when layer(…) in @import is not first in the list of functions/conditions (#​15109)
• Use unitless line-height values for font-size variables in default theme (#​15216)
• Don't register custom properties with explicit types unless those custom properties need to be animateable (#​15215)

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