[blog] Update the 2026 price changes blogpost

docs/pages/blog/2026-MUI-X-price-changes.md

@@ -19,7 +19,7 @@
 - Priority support available only to Enterprise customers
 - Security questionnaires and custom agreements available for orders above $12,000 USD
 - Premium self-service for purchases of up to 15 seats
-- Grandfathering for existing **v8 license renewals**
+- Grandfathering for existing **v8 licenses**
 
 ## Why we're updating pricing
 
@@ -31,12 +31,28 @@
 
 ## Grandfathering current customers
 
-We value our loyal customers and want to ensure a smooth transition:
+We value our loyal customers and want to ensure a smooth transition.
 
-- Customers renewing existing **v8 licenses** or adding seats to v8 licenses are **not affected** by these pricing changes.
-- Only customers upgrading to **v9** or moving from **Pro to Premium** will be affected.
+### Annual licenses
 
-If you're unsure how this applies to your team, please reach out to us at **sales@mui.com** and we'll be happy to clarify.
+Customers with active MUI X **v8 licenses** can continue using v8 and either renew their annual licenses or extend their perpetual support and maintenance plans at the **previous pricing**.
+
+If you want to upgrade to **MUI X v9**, you will need to request a **new v9 license key**, since v8 license keys will **not** work with v9. The new key will have the **same expiration date** as your current license, so upgrading does not reset or extend your license period.
+
+When your license term expires, you will have two options:
+
+- Renew your v9 license at the **new price**, with a discount applied to the **first** renewal
+- Renew your v8 license at the **previous price**
+
+This means existing customers can move to v9 whenever they're ready, or stay on v8 at the previous pricing.
+
+### Perpetual licenses
+
+Customers with perpetual licenses can also request a **new v9 license key**. This key will grant access to all v9 versions released **before** your support and maintenance expiration date listed on your license key. It does not extend your maintenance and support access beyond the original date of your order.
+
+If you want to upgrade to new versions released **after** your access to maintenance expires, or if you'd like to extend support for v9, you will need to extend your maintenance and support at the **new pricing**. You are welcome to extend maintenance and support for v8 versions released before April 8th, 2026 at the previous pricing.
+
+If you're unsure how these changes apply to your team, please reach out to us at **sales@mui.com** and we'll be happy to help.
 
 ## What's changing in licensing