Add change log

Author: philipp-spiess

CHANGELOG.md

@@ -10,7 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add support for `tailwindcss/colors.js`, `tailwindcss/defaultTheme.js`, and `tailwindcss/plugin.js` exports ([#14595](https://github.com/tailwindlabs/tailwindcss/pull/14595))
-- Support `keyframes` in JS config file themes ([14594](https://github.com/tailwindlabs/tailwindcss/pull/14594))
+- Support `keyframes` in JS config file themes ([#14594](https://github.com/tailwindlabs/tailwindcss/pull/14594))
+- _Experimental_: The upgrade tool now automatically discovers your JavaScript config ([#14597](https://github.com/tailwindlabs/tailwindcss/pull/14597))
 
 ### Fixed
 

packages/@tailwindcss-upgrade/src/template/prepareConfig.ts renamed to packages/@tailwindcss-upgrade/src/template/prepare-config.ts

@@ -13,7 +13,7 @@ import { migratePrefix } from './codemods/prefix'
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = dirname(__filename)
 
-let css = String.raw
+const css = String.raw
 
 export async function prepareConfig(
   configPath: string | null,
@@ -36,6 +36,7 @@ export async function prepareConfig(
     let fullConfigPath = path.resolve(options.base, configPath)
     let fullFilePath = path.resolve(__dirname)
     let relative = path.relative(fullFilePath, fullConfigPath)
+
     // If the path points to a file in the same directory, `path.relative` will
     // remove the leading `./` and we need to add it back in order to still
     // consider the path relative

packages/tailwindcss/src/at-import.test.ts

@@ -4,7 +4,7 @@ import { compile, type Config } from './index'
 import plugin from './plugin'
 import { optimizeCss } from './test-utils/run'
 
-let css = String.raw
+const css = String.raw
 
 async function run(
   css: string,