maint: bump version to 5.2.0

Author: mattijn

altair/__init__.py

@@ -1,5 +1,5 @@
 # ruff: noqa
-__version__ = "5.2.0dev"
+__version__ = "5.2.0"
 
 from typing import Any
 

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}"
 

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
 ~~~~~~~~~