Add a note about a subdomain session sharing restriction with passkeys (

#1740) Co-authored-by: Alexis Aguilar <[email protected]> Co-authored-by: victoria <[email protected]>
clerk · Dec 16, 2024 · a990503 · a990503
1 parent cdf229c
commit a990503
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/deployments/overview.mdx b/docs/deployments/overview.mdx
@@ -57,6 +57,9 @@ When you set a root domain for your production deployment, Clerk's authenticatio
 - `example-site.com` and `dashboard.example-site.com`
 - `dashboard.example-site.com` and `accounts.example-site.com`
 
+> [!NOTE]
+> If you're using [passkeys](/docs/authentication/configuration/sign-up-sign-in-options#passkeys), only the first scenario in the above example will work due to restrictions in the [WebAuthn standard](https://www.w3.org/TR/webauthn-2/#sctn-rp-operations).
+
 To share sessions and authentication across two different domains with the same Clerk application, see the [Authentication across different domains guide](/docs/advanced-usage/satellite-domains).
 
 ## Deploy certificates