Update 3.13.0 release notes

Author: michaelklishin

release-notes/3.13.0.md

@@ -8,7 +8,7 @@ This release includes several new features and optimizations.
 
 The user-facing areas that have seen the biggest improvements in this release are
 
- * [Khepri](https://www.youtube.com/watch?v=huT-zmXvfuM) now can be used as an [alternative schema data store](https://github.com/rabbitmq/rabbitmq-server/pull/7206)
+ * [Khepri](https://youtu.be/IXimf4DCAoY?t=22639) now can be used as an [alternative schema data store](https://github.com/rabbitmq/rabbitmq-server/pull/7206)
    in RabbitMQ, replacing Mnesia
  * Support for [consumer-side stream filtering](https://github.com/rabbitmq/rabbitmq-server/pull/8207)
  * [MQTTv5 support](https://blog.rabbitmq.com/posts/2023/07/mqtt5)
@@ -68,7 +68,10 @@ periods of time (no more than a few hours).
 
 ## Compatibility Notes
 
-TBD
+This release includes the following potentially breaking changes:
+
+ * `GET /api/queues` HTTP API endpoint has dropped several rarely used metrics, resulting in 25% in traffic savings
+ * MQTT: `mqtt.subscription_ttl` configuration setting was replaced with `mqtt.max_session_expiry_interval_seconds`
 
 
 ### Minimum Supported Erlang Version
@@ -237,7 +240,7 @@ This release includes all bug fixes shipped in the `3.12.x` series.
 
    GitHub issue: [#9034](https://github.com/rabbitmq/rabbitmq-server/pull/9034)
 
- * **Potential incompatibility**: `mqtt.subscription_ttl` configuration setting is now deprecated in favor of
+ * **Potential incompatibility**: `mqtt.subscription_ttl` configuration was replaced with
    `mqtt.max_session_expiry_interval_seconds` that targets MQTTv5.
 
    GitHub issue: [#8846](https://github.com/rabbitmq/rabbitmq-server/pull/8846)