Note possibly breaking changes in release notes.

Author: bgrainger

docs/content/overview/version-history.md

@@ -13,10 +13,10 @@ weight: 30
 
 ### 2.4.0 Beta 2
 
-* Remove end-of-life .NET 7 target framework.
+* **Possibly breaking** Remove end-of-life .NET 7 target framework.
   * Users who wish to use `DbDataSource` need to target .NET 8.0 or later.
 * Fix "Can't replace active reader": [#1469](https://github.com/mysql-net/MySqlConnector/issues/1469).
-* Update dependencies:
+* **Possibly breaking** Update dependencies:
   * Microsoft.Extensions.Logging.Abstractions from 7.0.1 to 8.0.2.
   * System.Diagnostics.DiagnosticSource from 7.0.2 to 8.0.1.