"Upgrade guide > terminal > npm install -D tailwindcss@3.4.17

[polikm5]

npm install tailwindcss -D // "tailwindcss": "^4.2.1",
npx tailwindcss init
// npm error could not determine executable to run
npm error A complete log of this run can be found

The solution:

npm install -D tailwindcss@3.4.17
npx tailwindcss init