What version of VS Code are you using?

1.96.4

What version of Tailwind CSS IntelliSense are you using?

0.14.3

What version of Tailwind CSS are you using?

4.0.4

What package manager are you using?

pnpm

What operating system are you using?

Windows 11

Tailwind config

import defaultTheme from 'tailwindcss/defaultTheme'
import plugin from 'tailwindcss/plugin'

/** @type {import('tailwindcss').Config} */
export default {
  content: ['./index.html', './src/**/*.{vue,js,ts,jsx,tsx}'],
  theme: {
    extend: {
      fontFamily: {
        'sans': ['Roboto', ...defaultTheme.fontFamily.sans],
      },
    },
  },
  plugins: [
    plugin(function ({ addBase }) {
      addBase({
        'html': { fontSize: '15px' },
      })
    }),
  ],
}

VS Code settings

{
  "tailwindCSS.rootFontSize": 15,
  "tailwindCSS.classAttributes": ["class", "className", "ngClass", "class:list", "mainWrapClass"]
}

and

  "files.associations": {
    "*.css": "tailwindcss"
  },
  "editor.quickSuggestions": {
    "strings": "on"
  },
  "tailwindCSS.experimental.classRegex": [
    [
      "[\\w-]+Class\\s*?=\\s*\"([\\s\\S]+?\")", // Container pattern
      "['`]*(.+?)['\"`]" // Class pattern
    ]
  ],

Reproduction URL

Just try typing translate1/2 in the current https://play.tailwindcss.com/

Describe your issue

After updating to v4, completions for things like translate-1/2 no longer appear. See screenshots:

Before (with v3):

After (with v4):