updates

Author: mschile

docs/app/references/error-messages.mdx

@@ -956,11 +956,21 @@ Synchronous XHR requests often cause hangs on the web, especially with poor netw
 
 :::
 
-Cypress does not fully support synchronous XHR requests in the following scenarios:
+When using synchronous XHR requests, you may see the following warnings:
 
-- When using `cy.intercept()` with a `routeHandler` to intercept a synchronous XHR request.
-- When applying cookies to a synchronous XHR request.
-- When setting cookies from the response of a synchronous XHR request.
+> **Warning: Synchronous XHR request was not intercepted: http://example.com.**
+
+Cypress is unable to intercept a synchronous XHR request if the [`cy.intercept()`](/api/commands/intercept) is using a [`routeHandler`](/api/commands/intercept#routeHandler-Function). 
+Thus, the [`routeHandler`](/api/commands/intercept#routeHandler-Function) won't be executed and the request will be sent to the origin server without any modifications. 
+An intercept with a [`StaticResponse`](/api/commands/intercept#staticResponse-StaticResponse) does not have this limitation and will still be executed.
+
+> **Warning: Cookies may not have been applied to synchronous XHR request: http://example.com.**
+
+Cypress is unable to apply cookies to a synchronous XHR request if the request is cross-origin to the `top` origin.
+
+> **Warning: Cookies may not have been set for synchronous XHR response: http://example.com.**
+
+Cypress is unable to set cookies for a synchronous XHR response if the request is cross-origin to the `top` origin.
 
 ## Browser Errors