Update NEXT_CHANGELOG.md

Author: renaudhartert-db

NEXT_CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Bug Fixes
 
 * User provided scopes are now properly propagated in OAuth flows.
+* [Warning] Correctly defaults to scope `all-apis` (instead of `clusters sql`) in U2M if no scopes are provided by the users. This change aligns the Java SDK logic with the Python and Go SDK logic.
 
 ### Documentation