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  • J17 Performance screenshot 1
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About J17 Performance

Download the J17 Performance – Markham App today to plan and schedule your classes! From this mobile App, you can view class schedules and sign up for classes as well as view the studio’s location.

Optimize your time and maximize the convenience of signing up for classes from your device!

Download this App today!

What’s new

Version 8.9.1 · Updated November 3, 2026

Not every update comes with fanfare, and this one's no exception. We cleaned up checkout, smoothed out booking, and polished a few translations and crashes along the way. It's the kind of update that doesn't demand attention — it just quietly makes things better.

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