4.2.3 (#19944)

Author: RobinMalfait

CHANGELOG.md

@@ -9,12 +9,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- _Experimental_: Add `@container-size` utility ([#18901](https://github.com/tailwindlabs/tailwindcss/pull/18901))
+- _Experimental_: add `@container-size` utility ([#18901](https://github.com/tailwindlabs/tailwindcss/pull/18901))
+
+## [4.2.3] - 2026-04-20
 
 ### Fixed
 
 - Canonicalization: improve canonicalizations 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 ([#19829](https://github.com/tailwindlabs/tailwindcss/pull/19829))
+- 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))
@@ -23,17 +25,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - 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))
+- 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 build ([#19617](https://github.com/tailwindlabs/tailwindcss/pull/19617))
+- Support `NODE_PATH` environment variable in standalone CLI ([#19617](https://github.com/tailwindlabs/tailwindcss/pull/19617))
 
 ## [4.2.2] - 2026-03-18
 
@@ -3985,7 +3987,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v4.2.2...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v4.2.3...HEAD
+[4.2.3]: https://github.com/tailwindlabs/tailwindcss/compare/v4.2.2...v4.2.3
 [4.2.2]: https://github.com/tailwindlabs/tailwindcss/compare/v4.2.1...v4.2.2
 [4.2.1]: https://github.com/tailwindlabs/tailwindcss/compare/v4.2.0...v4.2.1
 [4.2.0]: https://github.com/tailwindlabs/tailwindcss/compare/v4.1.18...v4.2.0

crates/node/npm/android-arm-eabi/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-android-arm-eabi",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/android-arm64/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-android-arm64",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/darwin-arm64/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-darwin-arm64",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/darwin-x64/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-darwin-x64",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/freebsd-x64/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-freebsd-x64",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/linux-arm-gnueabihf/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-linux-arm-gnueabihf",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/linux-arm64-gnu/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-linux-arm64-gnu",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/linux-arm64-musl/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-linux-arm64-musl",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",

crates/node/npm/linux-x64-gnu/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tailwindcss/oxide-linux-x64-gnu",
-  "version": "4.2.2",
+  "version": "4.2.3",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/tailwindlabs/tailwindcss.git",