This PR contains the following updates:
| Package | Change | Age | Confidence |
|---|---|---|---|
| @tailwindcss/vite (source) | 4.2.2 → 4.3.2 |
age | confidence |
| tailwindcss (source) | 4.2.2 → 4.3.2 |
age | confidence |
Release Notes
tailwindlabs/tailwindcss (@tailwindcss/vite)
v4.3.2
Fixed
- Support bare spacing values for
auto-rows-*andauto-cols-*utilities (e.g.auto-rows-12andauto-cols-16) (#20229) - Prevent
@tailwindcss/cliin--watchmode from crashing on Windows when@sourcepoints to a directory that doesn't exist (#20242) - Prevent
@tailwindcss/vitefrom crashing in Deno v2.8.x whencontext.parentURLis not a valid URL (#20245) - Ensure
@tailwindcss/cliin--watchmode rebuilds when the input CSS file changes in an ignored directory (#20246) - Allow
@variantrules used inaddBase(...)to use custom variants defined later (#20247) - Prevent
@tailwindcss/vitefrom crashing during HMR when scanned files or directories are deleted (#20259) - Generate
font-sizeinstead ofcolordeclarations fortext-[--spacing(...)](#20260) - Prevent
@sourcepatterns from scanning unrelated sibling files and folders (#20263) - Extract class candidates adjacent to Template Toolkit delimiters like
%]...[%in.tt,.tt2, and.txfiles (#20269) - Extract class candidates from conditional Maud syntax like
p.text-black[condition](#20269) - Prevent
@position-tryrules from triggering unknown at-rule warnings when optimizing CSS (#20277) - Support class suggestions for named opacity modifiers from
--opacitytheme values (#20287) - Prevent type errors in
@tailwindcss/postcsswhen used with newer PostCSS patch releases (#20289)
v4.3.1
Added
- Add
--silentoption to suppress output in@tailwindcss/cli(#20100)
Fixed
- Remove deprecation warnings by using
Module#registerHooksinstead ofModule#registeron Node 26+ (#20028) - Canonicalization: don't crash when plugin utilities throw for unsupported values (#20052)
- Allow
@applyto be used with CSS mixins (#19427) - Ensure
not-*correctly negates@containerqueries, includingstyle(...)queries (#20059) - Ensure
drop-shadow-*color utilities work with custom shadow values containingcalc(...)(#20080) - Fix 'Sourcemap is likely to be incorrect' warnings when using
@tailwindcss/vite(#20103) - Ensure
@tailwindcss/webpackcan be installed in Rspack projects without requiringwebpackas a peer dependency (#20027) - Canonicalization: don't suggest invalid
calc(...)expressions (e.g.px-[calc(1rem+0px)]→px-[calc(1rem+0)]) (#20127) - Canonicalization: avoid suggesting large spacing-scale values for arbitrary lengths (e.g.
left-[99999px]→left-[99999px], notleft-24999.75) (#20130) - Ensure
@tailwindcss/cliin--watchmode recovers when a tracked dependency is deleted and restored (#20137) - Ensure standalone
@tailwindcss/clibinaries are ignored when scanning for class candidates (#20139) - Ensure class candidates are extracted from Twig
addClass(...)andremoveClass(...)calls (#20198) - Don't crash in the Ruby or Vue preprocessors when scanning files containing invalid UTF-8 bytes (#19588)
- Allow
@variantto be used insideaddBase(#19480) - Ensure
@sourceglobs with symlinks are preserved (#20203) - Ensure later
@sourcerules can re-include files excluded by earlier@source notrules (#20203) - Upgrade: don't migrate empty class rules to invalid
@utilityrules (#20205) - Ensure transitions between
inset-shadow-noneand other inset shadows work correctly (#20208) - Ensure explicitly referenced
@sourcedirectories are scanned even when ignored by git (#20214) - Ensure
@sourceglobs ending in**/*preserve dynamic path segments to avoid scanning too many files (#20217) - Canonicalization: don't fold
calc(...)divisions when the result would require high precision (e.g.w-[calc(100%/3.5)]→w-[calc(100%/3.5)], notw-[28.571428571428573%]) (#20221) - Serve ESM type declarations to ESM importers of
@tailwindcss/postcss(#20228)
Changed
- Generate
0instead ofcalc(var(--spacing) * 0)for spacing utilities likem-0andleft-0(#20196) - Generate
var(--spacing)instead ofcalc(var(--spacing) * 1)for spacing utilities likem-1andleft-1(#20196)
v4.3.0
Added
- Add
@container-sizeutility (#18901) - Add
scrollbar-{auto,thin,none}utilities forscrollbar-width, andscrollbar-thumb-*/scrollbar-track-*color utilities forscrollbar-color(#19981, #20019) - Add
scrollbar-gutter-*utilities (#20018) - Add
zoom-*utilities (#20020) - Add
tab-*utilities (#20022) - Allow using
@variantwith stacked variants (e.g.@variant hover:focus { ... }) (#19996) - Allow using
@variantwith compound variants (e.g.@variant hover, focus { ... }) (#19996) - Support
--default(...)in--value(...)and--modifier(...)for functional@utilitydefinitions (#19989)
Fixed
- Ensure
@pluginresolves package JavaScript entries instead of browser CSS entries when using@tailwindcss/vite(#19949) - Fix relative
@importand@pluginpaths resolving from the wrong directory when using@tailwindcss/vite(#19965) - Ensure CSS files containing
@variantare processed by@tailwindcss/vite(#19966) - Resolve imports relative to
basewhenresult.opts.fromis not provided when using@tailwindcss/postcss(#19980) - Canonicalization: preserve significant
_whitespace in arbitrary values (#19986) - Canonicalization: add parentheses when removing whitespace from arbitrary values would hurt readability (e.g.
w-[calc(100%---spacing(60))]→w-[calc(100%-(--spacing(60)))]) (#19986) - Canonicalization: preserve the original unit in arbitrary values instead of normalizing to base units (e.g.
-mt-[20in]→mt-[-20in], notmt-[-1920px]) (#19988) - Canonicalization: migrate arbitrary
:has()variants from[&:has(...)]tohas-[...](#19991) - Upgrade: don’t migrate inline
styleattributes (e.g.style="flex-grow: 1"→style="flex-grow: 1", notstyle="grow: 1") (#19918) - Allow multiple
@utilitydefinitions with the same name but different value types (#19777) - Export missing
PluginWithConfigtype fromtailwindcss/pluginto fix errors when inferring plugin config types (#19707) - Ensure
startandendlegacy utilities without values do not generate CSS (#20003) - Ensure
--value(...)is required in functional@utilitydefinitions (#20005) - Canonicalization: preserve required whitespace around operators in negated arbitrary values (e.g.
-left-[(var(--a)+var(--b))]) (#20011)
v4.2.4
Fixed
- Ensure imports in
@importand@pluginstill resolve correctly when using Vite aliases in@tailwindcss/vite(#19947)
v4.2.3
Fixed
- Canonicalization: improve canonicalization for
tracking-*utilities by preferring non-negative utilities (e.g.-tracking-tighter→tracking-wider) (#19827) - Fix crash due to invalid characters in candidate (exceeding valid unicode code point range) (#19829)
- Ensure query params in imports are considered unique resources when using
@tailwindcss/webpack(#19723) - Canonicalization: collapse arbitrary values into shorthand utilities (e.g.
px-[1.2rem] py-[1.2rem]→p-[1.2rem]) (#19837) - Canonicalization: collapse
border-{t,b}-*intoborder-y-*,border-{l,r}-*intoborder-x-*, andborder-{t,r,b,l}-*intoborder-*(#19842) - Canonicalization: collapse
scroll-m{t,b}-*intoscroll-my-*,scroll-m{l,r}-*intoscroll-mx-*, andscroll-m{t,r,b,l}-*intoscroll-m-*(#19842) - Canonicalization: collapse
scroll-p{t,b}-*intoscroll-py-*,scroll-p{l,r}-*intoscroll-px-*, andscroll-p{t,r,b,l}-*intoscroll-p-*(#19842) - Canonicalization: collapse
overflow-{x,y}-*intooverflow-*(#19842) - Canonicalization: collapse
overscroll-{x,y}-*intooverscroll-*(#19842) - Read from
--placeholder-colorinstead of--background-colorforplaceholder-*utilities (#19843) - Upgrade: ensure files are not emptied out when killing the upgrade process while it's running (#19846)
- Upgrade: use
config.contentwhen migrating from Tailwind CSS v3 to Tailwind CSS v4 (#19846) - Upgrade: never migrate files that are ignored by git (#19846)
- Add
.envand.env.*to default ignored content files (#19846) - Canonicalization: migrate
overflow-ellipsisintotext-ellipsis(#19849) - Canonicalization: migrate
start-full→inset-s-full,start-auto→inset-s-auto,start-px→inset-s-px, andstart-<number>→inset-s-<number>as well as negative versions (#19849) - Canonicalization: migrate
end-full→inset-e-full,end-auto→inset-e-auto,end-px→inset-e-px, andend-<number>→inset-e-<number>as well as negative versions (#19849) - Canonicalization: move the
-sign inside the arbitrary value-left-[9rem]→left-[-9rem](#19858) - Canonicalization: move the
-sign outside the arbitrary valueml-[calc(-1*var(--width))]→-ml-(--width)(#19858) - Improve performance when scanning JSONL / NDJSON files (#19862)
- Support
NODE_PATHenvironment variable in standalone CLI (#19617)
Configuration
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This PR has been generated by Mend Renovate.
This PR contains the following updates:
| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [@tailwindcss/vite](https://tailwindcss.com) ([source](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-vite)) | [`4.2.2` → `4.3.2`](https://renovatebot.com/diffs/npm/@tailwindcss%2fvite/4.2.2/4.3.2) |  |  |
| [tailwindcss](https://tailwindcss.com) ([source](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss)) | [`4.2.2` → `4.3.2`](https://renovatebot.com/diffs/npm/tailwindcss/4.2.2/4.3.2) |  |  |
---
### Release Notes
<details>
<summary>tailwindlabs/tailwindcss (@​tailwindcss/vite)</summary>
### [`v4.3.2`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#432---2026年06月26日)
[Compare Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.3.1...v4.3.2)
##### Fixed
- Support bare spacing values for `auto-rows-*` and `auto-cols-*` utilities (e.g. `auto-rows-12` and `auto-cols-16`) ([#​20229](https://github.com/tailwindlabs/tailwindcss/pull/20229))
- Prevent `@tailwindcss/cli` in `--watch` mode from crashing on Windows when `@source` points to a directory that doesn't exist ([#​20242](https://github.com/tailwindlabs/tailwindcss/pull/20242))
- Prevent `@tailwindcss/vite` from crashing in Deno v2.8.x when `context.parentURL` is not a valid URL ([#​20245](https://github.com/tailwindlabs/tailwindcss/pull/20245))
- Ensure `@tailwindcss/cli` in `--watch` mode rebuilds when the input CSS file changes in an ignored directory ([#​20246](https://github.com/tailwindlabs/tailwindcss/pull/20246))
- Allow `@variant` rules used in `addBase(...)` to use custom variants defined later ([#​20247](https://github.com/tailwindlabs/tailwindcss/pull/20247))
- Prevent `@tailwindcss/vite` from crashing during HMR when scanned files or directories are deleted ([#​20259](https://github.com/tailwindlabs/tailwindcss/pull/20259))
- Generate `font-size` instead of `color` declarations for `text-[--spacing(...)]` ([#​20260](https://github.com/tailwindlabs/tailwindcss/pull/20260))
- Prevent `@source` patterns from scanning unrelated sibling files and folders ([#​20263](https://github.com/tailwindlabs/tailwindcss/pull/20263))
- Extract class candidates adjacent to Template Toolkit delimiters like `%]...[%` in `.tt`, `.tt2`, and `.tx` files ([#​20269](https://github.com/tailwindlabs/tailwindcss/pull/20269))
- Extract class candidates from conditional Maud syntax like `p.text-black[condition]` ([#​20269](https://github.com/tailwindlabs/tailwindcss/pull/20269))
- Prevent `@position-try` rules from triggering unknown at-rule warnings when optimizing CSS ([#​20277](https://github.com/tailwindlabs/tailwindcss/pull/20277))
- Support class suggestions for named opacity modifiers from `--opacity` theme values ([#​20287](https://github.com/tailwindlabs/tailwindcss/pull/20287))
- Prevent type errors in `@tailwindcss/postcss` when used with newer PostCSS patch releases ([#​20289](https://github.com/tailwindlabs/tailwindcss/pull/20289))
### [`v4.3.1`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#431---2026年06月12日)
[Compare Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.3.0...v4.3.1)
##### Added
- Add `--silent` option to suppress output in `@tailwindcss/cli` ([#​20100](https://github.com/tailwindlabs/tailwindcss/pull/20100))
##### Fixed
- Remove deprecation warnings by using `Module#registerHooks` instead of `Module#register` on Node 26+ ([#​20028](https://github.com/tailwindlabs/tailwindcss/pull/20028))
- Canonicalization: don't crash when plugin utilities throw for unsupported values ([#​20052](https://github.com/tailwindlabs/tailwindcss/pull/20052))
- Allow `@apply` to be used with CSS mixins ([#​19427](https://github.com/tailwindlabs/tailwindcss/pull/19427))
- Ensure `not-*` correctly negates `@container` queries, including `style(...)` queries ([#​20059](https://github.com/tailwindlabs/tailwindcss/pull/20059))
- Ensure `drop-shadow-*` color utilities work with custom shadow values containing `calc(...)` ([#​20080](https://github.com/tailwindlabs/tailwindcss/pull/20080))
- Fix 'Sourcemap is likely to be incorrect' warnings when using `@tailwindcss/vite` ([#​20103](https://github.com/tailwindlabs/tailwindcss/pull/20103))
- Ensure `@tailwindcss/webpack` can be installed in Rspack projects without requiring `webpack` as a peer dependency ([#​20027](https://github.com/tailwindlabs/tailwindcss/pull/20027))
- Canonicalization: don't suggest invalid `calc(...)` expressions (e.g. `px-[calc(1rem+0px)]` → `px-[calc(1rem+0)]`) ([#​20127](https://github.com/tailwindlabs/tailwindcss/pull/20127))
- Canonicalization: avoid suggesting large spacing-scale values for arbitrary lengths (e.g. `left-[99999px]` → `left-[99999px]`, not `left-24999.75`) ([#​20130](https://github.com/tailwindlabs/tailwindcss/pull/20130))
- Ensure `@tailwindcss/cli` in `--watch` mode recovers when a tracked dependency is deleted and restored ([#​20137](https://github.com/tailwindlabs/tailwindcss/pull/20137))
- Ensure standalone `@tailwindcss/cli` binaries are ignored when scanning for class candidates ([#​20139](https://github.com/tailwindlabs/tailwindcss/pull/20139))
- Ensure class candidates are extracted from Twig `addClass(...)` and `removeClass(...)` calls ([#​20198](https://github.com/tailwindlabs/tailwindcss/pull/20198))
- Don't crash in the Ruby or Vue preprocessors when scanning files containing invalid UTF-8 bytes ([#​19588](https://github.com/tailwindlabs/tailwindcss/pull/19588))
- Allow `@variant` to be used inside `addBase` ([#​19480](https://github.com/tailwindlabs/tailwindcss/pull/19480))
- Ensure `@source` globs with symlinks are preserved ([#​20203](https://github.com/tailwindlabs/tailwindcss/pull/20203))
- Ensure later `@source` rules can re-include files excluded by earlier `@source not` rules ([#​20203](https://github.com/tailwindlabs/tailwindcss/pull/20203))
- Upgrade: don't migrate empty class rules to invalid `@utility` rules ([#​20205](https://github.com/tailwindlabs/tailwindcss/pull/20205))
- Ensure transitions between `inset-shadow-none` and other inset shadows work correctly ([#​20208](https://github.com/tailwindlabs/tailwindcss/pull/20208))
- Ensure explicitly referenced `@source` directories are scanned even when ignored by git ([#​20214](https://github.com/tailwindlabs/tailwindcss/pull/20214))
- Ensure `@source` globs ending in `**/*` preserve dynamic path segments to avoid scanning too many files ([#​20217](https://github.com/tailwindlabs/tailwindcss/pull/20217))
- Canonicalization: don't fold `calc(...)` divisions when the result would require high precision (e.g. `w-[calc(100%/3.5)]` → `w-[calc(100%/3.5)]`, not `w-[28.571428571428573%]`) ([#​20221](https://github.com/tailwindlabs/tailwindcss/pull/20221))
- Serve ESM type declarations to ESM importers of `@tailwindcss/postcss` ([#​20228](https://github.com/tailwindlabs/tailwindcss/pull/20228))
##### Changed
- Generate `0` instead of `calc(var(--spacing) * 0)` for spacing utilities like `m-0` and `left-0` ([#​20196](https://github.com/tailwindlabs/tailwindcss/pull/20196))
- Generate `var(--spacing)` instead of `calc(var(--spacing) * 1)` for spacing utilities like `m-1` and `left-1` ([#​20196](https://github.com/tailwindlabs/tailwindcss/pull/20196))
### [`v4.3.0`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#430---2026年05月08日)
[Compare Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.2.4...v4.3.0)
##### Added
- Add `@container-size` utility ([#​18901](https://github.com/tailwindlabs/tailwindcss/pull/18901))
- Add `scrollbar-{auto,thin,none}` utilities for `scrollbar-width`, and `scrollbar-thumb-*` / `scrollbar-track-*` color utilities for `scrollbar-color` ([#​19981](https://github.com/tailwindlabs/tailwindcss/pull/19981), [#​20019](https://github.com/tailwindlabs/tailwindcss/pull/20019))
- Add `scrollbar-gutter-*` utilities ([#​20018](https://github.com/tailwindlabs/tailwindcss/pull/20018))
- Add `zoom-*` utilities ([#​20020](https://github.com/tailwindlabs/tailwindcss/pull/20020))
- Add `tab-*` utilities ([#​20022](https://github.com/tailwindlabs/tailwindcss/pull/20022))
- Allow using `@variant` with stacked variants (e.g. `@variant hover:focus { ... }`) ([#​19996](https://github.com/tailwindlabs/tailwindcss/pull/19996))
- Allow using `@variant` with compound variants (e.g. `@variant hover, focus { ... }`) ([#​19996](https://github.com/tailwindlabs/tailwindcss/pull/19996))
- Support `--default(...)` in `--value(...)` and `--modifier(...)` for functional `@utility` definitions ([#​19989](https://github.com/tailwindlabs/tailwindcss/pull/19989))
##### Fixed
- Ensure `@plugin` resolves package JavaScript entries instead of browser CSS entries when using `@tailwindcss/vite` ([#​19949](https://github.com/tailwindlabs/tailwindcss/pull/19949))
- Fix relative `@import` and `@plugin` paths resolving from the wrong directory when using `@tailwindcss/vite` ([#​19965](https://github.com/tailwindlabs/tailwindcss/pull/19965))
- Ensure CSS files containing `@variant` are processed by `@tailwindcss/vite` ([#​19966](https://github.com/tailwindlabs/tailwindcss/pull/19966))
- Resolve imports relative to `base` when `result.opts.from` is not provided when using `@tailwindcss/postcss` ([#​19980](https://github.com/tailwindlabs/tailwindcss/pull/19980))
- Canonicalization: preserve significant `_` whitespace in arbitrary values ([#​19986](https://github.com/tailwindlabs/tailwindcss/pull/19986))
- Canonicalization: add parentheses when removing whitespace from arbitrary values would hurt readability (e.g. `w-[calc(100%---spacing(60))]` → `w-[calc(100%-(--spacing(60)))]`) ([#​19986](https://github.com/tailwindlabs/tailwindcss/pull/19986))
- Canonicalization: preserve the original unit in arbitrary values instead of normalizing to base units (e.g. `-mt-[20in]` → `mt-[-20in]`, not `mt-[-1920px]`) ([#​19988](https://github.com/tailwindlabs/tailwindcss/pull/19988))
- Canonicalization: migrate arbitrary `:has()` variants from `[&:has(...)]` to `has-[...]` ([#​19991](https://github.com/tailwindlabs/tailwindcss/pull/19991))
- Upgrade: don’t migrate inline `style` attributes (e.g. `style="flex-grow: 1"` → `style="flex-grow: 1"`, not `style="grow: 1"`) ([#​19918](https://github.com/tailwindlabs/tailwindcss/pull/19918))
- Allow multiple `@utility` definitions with the same name but different value types ([#​19777](https://github.com/tailwindlabs/tailwindcss/pull/19777))
- Export missing `PluginWithConfig` type from `tailwindcss/plugin` to fix errors when inferring plugin config types ([#​19707](https://github.com/tailwindlabs/tailwindcss/pull/19707))
- Ensure `start` and `end` legacy utilities without values do not generate CSS ([#​20003](https://github.com/tailwindlabs/tailwindcss/pull/20003))
- Ensure `--value(...)` is required in functional `@utility` definitions ([#​20005](https://github.com/tailwindlabs/tailwindcss/pull/20005))
- Canonicalization: preserve required whitespace around operators in negated arbitrary values (e.g. `-left-[(var(--a)+var(--b))]`) ([#​20011](https://github.com/tailwindlabs/tailwindcss/pull/20011))
### [`v4.2.4`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#424---2026年04月21日)
[Compare Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.2.3...v4.2.4)
##### Fixed
- Ensure imports in `@import` and `@plugin` still resolve correctly when using Vite aliases in `@tailwindcss/vite` ([#​19947](https://github.com/tailwindlabs/tailwindcss/pull/19947))
### [`v4.2.3`](https://github.com/tailwindlabs/tailwindcss/blob/HEAD/CHANGELOG.md#423---2026年04月20日)
[Compare Source](https://github.com/tailwindlabs/tailwindcss/compare/v4.2.2...v4.2.3)
##### Fixed
- Canonicalization: improve canonicalization for `tracking-*` utilities by preferring non-negative utilities (e.g. `-tracking-tighter` → `tracking-wider`) ([#​19827](https://github.com/tailwindlabs/tailwindcss/pull/19827))
- Fix crash due to invalid characters in candidate (exceeding valid unicode code point range) ([#​19829](https://github.com/tailwindlabs/tailwindcss/pull/19829))
- Ensure query params in imports are considered unique resources when using `@tailwindcss/webpack` ([#​19723](https://github.com/tailwindlabs/tailwindcss/pull/19723))
- Canonicalization: collapse arbitrary values into shorthand utilities (e.g. `px-[1.2rem] py-[1.2rem]` → `p-[1.2rem]`) ([#​19837](https://github.com/tailwindlabs/tailwindcss/pull/19837))
- Canonicalization: collapse `border-{t,b}-*` into `border-y-*`, `border-{l,r}-*` into `border-x-*`, and `border-{t,r,b,l}-*` into `border-*` ([#​19842](https://github.com/tailwindlabs/tailwindcss/pull/19842))
- Canonicalization: collapse `scroll-m{t,b}-*` into `scroll-my-*`, `scroll-m{l,r}-*` into `scroll-mx-*`, and `scroll-m{t,r,b,l}-*` into `scroll-m-*` ([#​19842](https://github.com/tailwindlabs/tailwindcss/pull/19842))
- Canonicalization: collapse `scroll-p{t,b}-*` into `scroll-py-*`, `scroll-p{l,r}-*` into `scroll-px-*`, and `scroll-p{t,r,b,l}-*` into `scroll-p-*` ([#​19842](https://github.com/tailwindlabs/tailwindcss/pull/19842))
- Canonicalization: collapse `overflow-{x,y}-*` into `overflow-*` ([#​19842](https://github.com/tailwindlabs/tailwindcss/pull/19842))
- Canonicalization: collapse `overscroll-{x,y}-*` into `overscroll-*` ([#​19842](https://github.com/tailwindlabs/tailwindcss/pull/19842))
- Read from `--placeholder-color` instead of `--background-color` for `placeholder-*` utilities ([#​19843](https://github.com/tailwindlabs/tailwindcss/pull/19843))
- Upgrade: ensure files are not emptied out when killing the upgrade process while it's running ([#​19846](https://github.com/tailwindlabs/tailwindcss/pull/19846))
- Upgrade: use `config.content` when migrating from Tailwind CSS v3 to Tailwind CSS v4 ([#​19846](https://github.com/tailwindlabs/tailwindcss/pull/19846))
- Upgrade: never migrate files that are ignored by git ([#​19846](https://github.com/tailwindlabs/tailwindcss/pull/19846))
- Add `.env` and `.env.*` to default ignored content files ([#​19846](https://github.com/tailwindlabs/tailwindcss/pull/19846))
- Canonicalization: migrate `overflow-ellipsis` into `text-ellipsis` ([#​19849](https://github.com/tailwindlabs/tailwindcss/pull/19849))
- Canonicalization: migrate `start-full` → `inset-s-full`, `start-auto` → `inset-s-auto`, `start-px` → `inset-s-px`, and `start-<number>` → `inset-s-<number>` as well as negative versions ([#​19849](https://github.com/tailwindlabs/tailwindcss/pull/19849))
- Canonicalization: migrate `end-full` → `inset-e-full`, `end-auto` → `inset-e-auto`, `end-px` → `inset-e-px`, and `end-<number>` → `inset-e-<number>` as well as negative versions ([#​19849](https://github.com/tailwindlabs/tailwindcss/pull/19849))
- Canonicalization: move the `-` sign inside the arbitrary value `-left-[9rem]` → `left-[-9rem]` ([#​19858](https://github.com/tailwindlabs/tailwindcss/pull/19858))
- Canonicalization: move the `-` sign outside the arbitrary value `ml-[calc(-1*var(--width))]` → `-ml-(--width)` ([#​19858](https://github.com/tailwindlabs/tailwindcss/pull/19858))
- Improve performance when scanning JSONL / NDJSON files ([#​19862](https://github.com/tailwindlabs/tailwindcss/pull/19862))
- Support `NODE_PATH` environment variable in standalone CLI ([#​19617](https://github.com/tailwindlabs/tailwindcss/pull/19617))
</details>
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