diff --git a/CHANGELOG.md b/CHANGELOG.md
index b771f4b..2e22c6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
-## Changed
+## [2.3.0] - 2024-08-07
+
+### Added
+
+- Implement `len(client.messages)` to return number of messages in queue (@empicano in #323)
+
+### Changed
 
 - Update FastAPI docs to use dependency injection (@odie5533 in #321)
 
diff --git a/docs/alongside-fastapi-and-co.md b/docs/alongside-fastapi-and-co.md
index f2f7c66..6980112 100644
--- a/docs/alongside-fastapi-and-co.md
+++ b/docs/alongside-fastapi-and-co.md
@@ -57,5 +57,5 @@ This is a combination of some concepts addressed in more detail in other section
 ```
 
 ```{tip}
-With Starlette you can yield the initialized client to [the lifespan's state](https://www.starlette.io/lifespan/) instead of using global variables.
+With Starlette you can yield the initialized client to [the lifespan's state](https://www.starlette.io/lifespan/) instead of using global variables and dependency injection.
 ```
diff --git a/docs/subscribing-to-a-topic.md b/docs/subscribing-to-a-topic.md
index 4b02565..f5e1278 100644
--- a/docs/subscribing-to-a-topic.md
+++ b/docs/subscribing-to-a-topic.md
@@ -98,7 +98,7 @@ asyncio.run(main())
 ```
 
 ```{tip}
-By default, the size of the queue is unlimited. You can set a limit through the client's `max_queued_incoming_messages` argument.
+By default, the size of the queue is unlimited. You can set a limit through the client's `max_queued_incoming_messages` argument. `len(client.messages)` returns the current number of messages in the queue.
 ```
 
 ## Processing concurrently