Merge pull request mendix#8856 from sbont/integration-6822-known-issue

Add Known Issue for outbound REST call encoding

Author: quinntracy

content/en/docs/releasenotes/studio-pro/10/10.17.md

@@ -102,3 +102,4 @@ We added Japanese, Chinese, Korean, and German translations of the Studio Pro in
 
 * Line endings in CSS files are not being handled properly, so when using [Revert All Changes](/refguide/using-version-control-in-studio-pro/) or performing other version-control operations, CSS files appear in the [Changes on Disk](/refguide/version-control-menu/#show-changes) dialog box.
     * Fixed in [10.18.0](/releasenotes/studio-pro/10.18/#fix-line-endings).
+* The body for outbound REST requests, sent by either a **Call REST service** or a **Send REST request** activity, is incorrectly formatted using ISO-8859-1 encoding instead of UTF-8, which is the applied encoding for Studio Pro versions up to 10.16. (Tickets 235194, 237487)

content/en/docs/releasenotes/studio-pro/10/10.18.md

@@ -102,3 +102,8 @@ We are introducing a new beta feature that provides an overview of your app’s
 * We deprecated `String getUnhashedValue()` method of `MendixHashString`. The method was meant for internal use only.
 * We deprecated `getClonedContext` methods in `CoreActionHandler` and `InternalCoreAction`.
 * We deprecated `Boolean isValid(IContext context, String identifier)` method in `com.mendix.core.objectmanagement.member.MendixEnum` and provide an alternative version that does not require `IContext` parameter.
+
+
+### Known Issues
+
+* The body for outbound REST requests, sent by either a **Call REST service** or a **Send REST request** activity, is incorrectly formatted using ISO-8859-1 encoding instead of UTF-8, which is the applied encoding for Studio Pro versions up to 10.16. (Tickets 235194, 237487)