v4 changelog (#13131)

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Co-authored-by: Adam Wathan <adam.wathan@gmail.com>

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [4.0.0-alpha.6] - 2024-03-07
+
+### Fixed
+
+- Only set `border-style` for appropriate border side ([#13124](https://github.com/tailwindlabs/tailwindcss/pull/13124))
+
+### Changed
+
+- Error when `@theme` contains unsupported rules/declarations ([#13125](https://github.com/tailwindlabs/tailwindcss/pull/13125))
+
+## [4.0.0-alpha.5] - 2024-03-06
+
+### Fixed
+
+- Don't scan ignored files even if a `.git` folder is not present ([#13119](https://github.com/tailwindlabs/tailwindcss/pull/13119))
+
+## [4.0.0-alpha.4] - 2024-03-06
+
+### Fixed
+
+- Support importing framework CSS files without including a `.css` extension ([#13110](https://github.com/tailwindlabs/tailwindcss/pull/13110))
+
+## [4.0.0-alpha.3] - 2024-03-06
+
+### Added
+
+- Support putting the important modifier at the beginning of a utility ([#13103](https://github.com/tailwindlabs/tailwindcss/pull/13103))
+
+### Fixed
+
+- Node compatability fix ([#13104](https://github.com/tailwindlabs/tailwindcss/pull/13104))
+
+### Changes
+
+- Drop deprecated `decoration-slice` and `decoration-clone` utilities ([#13107](https://github.com/tailwindlabs/tailwindcss/pull/13107))
+
+## [4.0.0-alpha.2] - 2024-03-06
+
+### Changed
+
+- Move the CLI into a separate `@tailwindcss/cli` package ([#13095](https://github.com/tailwindlabs/tailwindcss/pull/13095))
+
+## [4.0.0-alpha.1] - 2024-03-06