update deployment and developer portal

Author: Karuna-Mendix

content/en/docs/deployment/mendix-cloud-deploy/mendix-sso.md

@@ -13,6 +13,10 @@ description: "Use the Mendix SSO module to add Single Sign-on to your app using
 
 The [Mendix SSO](/appstore/modules/mendix-sso/) module enables your app end-users to sign in with their Mendix account when your app is deployed to Mendix Cloud.
 
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+This module is deprecated as of May 1, 2026. You may alternatively use [OIDC SSO](/appstore/modules/oidc/), [SAML](/appstore/modules/saml/), or [LDAP](appstore/modules/ldap/).
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+
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 Because your app end-users are signing in with a Mendix account, they will all need to [sign up for a Mendix account](https://signup.mendix.com/) before they can sign in to your app.
 

content/en/docs/developerportal/settings/_index.md

@@ -88,7 +88,7 @@ To manage users or invite users for an app deployed on a specific environment, c
 
 On the tab, you can only see the environments that satisfy the following requirements:
 
-* [Mendix Single Sign-On](/developerportal/deploy/mendix-sso/) is implemented in the app using the [Mendix SSO](/appstore/modules/mendix-sso/) module. For more information, refer to [Mendix Single Sign-On](/developerportal/deploy/mendix-sso/).
+* [Mendix Single Sign-On](/developerportal/deploy/mendix-sso/) is implemented in the app using the [Mendix SSO](/appstore/modules/mendix-sso/) module. For more information, refer to [Mendix Single Sign-On](/developerportal/deploy/mendix-sso/). Note that the Mendix SSO module is deprecated as of May 1, 2026. You may alternatively use [OIDC SSO](/appstore/modules/oidc/), [SAML](/appstore/modules/saml/), or [LDAP](appstore/modules/ldap/).
 * You are currently assigned a user role in the app which allows you to manage other users. For more information, refer to the [User Management Properties](/refguide/user-roles/#user-management) section of *User Roles*.
 
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