An Important Update to the Sencha Ext JS Licensing Model

Effective April 1, 2026, Sencha will move to a subscription-only licensing model. New Perpetual license sales end March 31, 2026.

Here’s what’s changing, why we’re making the move, and what it means for your budget.

Why We’re Making This Change

A subscription model lets us ship updates on a continuous basis rather than bundling everything into large, infrequent releases. In practice, that means:

Faster security and browser updates. Vulnerabilities and browser changes don’t follow a release calendar. With a subscription, fixes go out when they’re ready – not when the next major version ships.

Continuous AI tooling improvements. We’re actively building AI-assisted development features into the platform. A subscription structure lets us deliver those incrementally as they’re ready, rather than holding them for a version upgrade.

More predictable releases. Whether you’re on Ext JS, Rapid Ext JS, ReExt, or related products, you can expect a steadier cadence of updates going forward.

What This Means for Your Budget

If you’re considering adding licenses in the next 6 to 12 months, the timing matters.
Here’s a direct cost comparison over 3 years for 5 Enterprise Ext JS licenses:

If Perpetual pricing fits your financial planning, March 31 is the deadline.

What to Do Next

If you’re planning to scale your team or add seats in the near term, review your projected license requirements now. Your Account Manager can walk you through the options and help you figure out what makes sense before the deadline.

Reach out to your Account Manager to schedule a review.

Thank you for your continued partnership.