See https://ember-intl.github.io/ember-intl/docs/quickstart.

• 🐹 Compatible with Ember apps, v1 addons (including engines), and v2 addons.
• 📚 Built on standards: ICU message syntax and Internationalization API.
• 🌐 Support for 150+ languages.
• ⚙️ Locale-aware helpers and intl service, to help you display translations, numbers, dates, etc.
• ✅ Test helpers to check locale-dependent templates.

• 7.x (stable)
• 6.x (legacy)
• Changelog

• Ember.js v3.28 or above
• Node.js v18 or above