Prepare release 2.2.21

Author: JanJakes

packages/mysql-on-sqlite/src/version.php

@@ -5,4 +5,4 @@
  *
  * This constant needs to be updated on plugin release!
  */
-define( 'SQLITE_DRIVER_VERSION', '2.2.20' );
+define( 'SQLITE_DRIVER_VERSION', '2.2.21' );

packages/plugin-sqlite-database-integration/load.php

@@ -3,7 +3,7 @@
  * Plugin Name: SQLite Database Integration
  * Description: SQLite database driver drop-in.
  * Author: The WordPress Team
- * Version: 2.2.20
+ * Version: 2.2.21
  * Requires PHP: 7.2
  * Textdomain: sqlite-database-integration
  *

packages/plugin-sqlite-database-integration/readme.txt

@@ -4,7 +4,7 @@ Contributors:      wordpressdotorg, aristath, janjakes, zieladam, berislav.grgic
 Requires at least: 6.4
 Tested up to:      6.9
 Requires PHP:      7.2
-Stable tag:        2.2.20
+Stable tag:        2.2.21
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 Tags:              performance, database
@@ -44,4 +44,10 @@ SQLite-backed implementation. Core WordPress code continues to use
 the wpdb API, while queries are internally adapted to be compatible
 with SQLite syntax and behavior.
 
+== Changelog ==
 
+= 2.2.21 =
+
+* Monorepo setup + release automation ([#334](https://github.com/WordPress/sqlite-database-integration/pull/334))
+* Rework release workflow ([#350](https://github.com/WordPress/sqlite-database-integration/pull/350))
+* Fix incorrect PHP polyfill implementations ([#338](https://github.com/WordPress/sqlite-database-integration/pull/338))