diff --git a/altair/__init__.py b/altair/__init__.py
index 65571f02a..428ddd01b 100644
--- a/altair/__init__.py
+++ b/altair/__init__.py
@@ -1,5 +1,5 @@
 # ruff: noqa
-__version__ = "5.2.0dev"
+__version__ = "5.2.0"
 
 from typing import Any
 
diff --git a/doc/conf.py b/doc/conf.py
index da50c57c5..6aa76c19d 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -78,7 +78,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = "5.2.0dev"
+version = "5.2.0"
 # The full version, including alpha/beta/rc tags.
 release = f"{version}"
 
diff --git a/doc/releases/changes.rst b/doc/releases/changes.rst
index 415f069a6..7a6bc296a 100644
--- a/doc/releases/changes.rst
+++ b/doc/releases/changes.rst
@@ -3,7 +3,7 @@
 Release Notes
 =============
 
-Version 5.2.0 (unreleased month date, year)
+Version 5.2.0 (released Nov 28, 2023)
 -------------------------------------------
 - Update Vega-Lite from version 5.15.1 to version 5.16.3;
   see `Vega-Lite Release Notes <https://github.com/vega/vega-lite/releases>`_.
@@ -16,6 +16,12 @@ Enhancements
 - Pass `formatLocale` and `timeFormatLocale` through to vl-convert to support locales in static image export (#3274)
 - Vega-Altair is now a typed package, with type annotations for all public functions and classes and some of the internal code (#2951)
 
+Maintenance
+~~~~~~~~~~~
+
+- Vega-Altair now uses ``ruff`` for maintaining code quality & consistency (#3243)
+- Vega-Altair is tested against Python 3.12 (#3235)
+
 Bug Fixes
 ~~~~~~~~~