WHAT'S NEW IN SPARK 6.0
Spark 6.0 is the biggest update to Spark since its original release. This release includes an enhanced UI built on Bootstrap 4, Localization, Per-Seat Pricing, Stripe v3, and a variety of other improvements.
Bootstrap 4.0
Spark 6.0 is built on the latest release of the Bootstrap CSS framework, providing a wonderful, modern starting point for your application's interface.
Localization
Spark may now be translated to the language of your choice. All text throughout the entire application is translatable. In fact, Spark even supports right-to-left text layouts.
Per-Seat Pricing
You may now configure your application's to charge per user, per team, or per any other "per-seat" pricing metric you desire. Building a project management application? You can now charge per project!
Enhanced UI
The Spark settings dashboard has received a custom, fine-tuned overhaul from Laravel's own in-house designer: Steve Schoger. Enjoy a clean, simple starting point for your application.
Stripe.js v3
Spark has been upgraded to Stripe.js v3 and Stripe Elements. This provides even greater security to your application's payment and subscription process.
The Latest Laravel
Spark 6.0 supports the latest release of Laravel, so you are free to take advantage of all of Laravel's great new features within your own Spark application.
Source: https://spark.laravel.com/