diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9e6f23..6ffdd1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,24 @@ All notable changes to this project will be documented in this file, per [the Ke
 
 ## [Unreleased] - TBD
 
+## [2.7.2] - 2024-08-21
+**Note that this release bumps the WordPress minimum version from 6.3 to 6.4.**
+
+### Changed
+- Bump WordPress "tested up to" version 6.6 (props [@sudip-md](https://github.com/sudip-md), [@ankitguptaindia](https://github.com/ankitguptaindia), [@jeffpaul](https://github.com/jeffpaul) via [#216](https://github.com/10up/simple-page-ordering/pull/216), [#217](https://github.com/10up/simple-page-ordering/pull/217)).
+- Bump WordPress minimum from 6.3 to 6.4 (props [@sudip-md](https://github.com/sudip-md), [@ankitguptaindia](https://github.com/ankitguptaindia), [@jeffpaul](https://github.com/jeffpaul) via [#216](https://github.com/10up/simple-page-ordering/pull/216)).
+
+### Fixed
+- Issue where an `Undefined array key` error occurs when a post parent ID does not exist in the `$children_pages` array (props [@xDehy](https://github.com/xDehy), [@peterwilsoncc](https://github.com/peterwilsoncc) via [#219](https://github.com/10up/simple-page-ordering/pull/219)).
+
+### Security
+- Bump `express` from 4.18.2 to 4.19.2, `follow-redirects` from 1.15.5 to 1.15.6, `postcss` from 7.0.39 to 8.4.33, `10up-toolkit` from 5.2.3 to 6.1.0 and `webpack-dev-middleware` from 5.3.3 to 5.3.4 (props [@dependabot](https://github.com/apps/dependabot), [@faisal-alvi](https://github.com/faisal-alvi) via [#208](https://github.com/10up/simple-page-ordering/pull/208)).
+- Bump `braces` from 3.0.2 to 3.0.3 and `ws` from 7.5.9 to 7.5.10 (props [@dependabot](https://github.com/apps/dependabot), [@iamdharmesh](https://github.com/iamdharmesh) via [#214](https://github.com/10up/simple-page-ordering/pull/214)).
+
+### Developer
+- Update the `importFile` step to be `importWxr` in our `blueprint.json` config (props [@ernilambar](https://github.com/ernilambar), [@dkotter](https://github.com/dkotter) via [#210](https://github.com/10up/simple-page-ordering/pull/210)).
+- Update repo badges, add WordPress Playground badge (props [@jeffpaul](https://github.com/jeffpaul), [@dkotter](https://github.com/dkotter) via [#221](https://github.com/10up/simple-page-ordering/pull/221)).
+
 ## [2.7.1] - 2024-06-03
 ### Added
 - The missing Text Domain (props [@alexclassroom](https://github.com/alexclassroom), [@dkotter](https://github.com/dkotter) via [#199](https://github.com/10up/simple-page-ordering/pull/199)).
@@ -324,6 +342,7 @@ All notable changes to this project will be documented in this file, per [the Ke
 - Updated version requirements.
 
 [Unreleased]: https://github.com/10up/simple-page-ordering/compare/trunk...develop
+[2.7.2]: https://github.com/10up/simple-page-ordering/compare/2.7.1...2.7.2
 [2.7.1]: https://github.com/10up/simple-page-ordering/compare/2.7.0...2.7.1
 [2.7.0]: https://github.com/10up/simple-page-ordering/compare/2.6.3...2.7.0
 [2.6.3]: https://github.com/10up/simple-page-ordering/compare/2.6.2...2.6.3
diff --git a/CREDITS.md b/CREDITS.md
index f3bd415..1491608 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -10,7 +10,7 @@ The following individuals are responsible for curating the list of issues, respo
 
 Thank you to all the people who have already contributed to this repository via bug reports, code, design, ideas, project management, translation, testing, etc.
 
-[10up (@10up)](https://github.com/10up), [Jake Goldman (@jakemgold)](https://github.com/jakemgold), [Ryan Welcher (@ryanwelcher)](https://github.com/ryanwelcher), [Helen Hou-Sandí (@helen)](https://github.com/helen), [Oomph, Inc. (@oomphinc)](https://github.com/oomphinc), [Jeffrey Paul (@jeffpaul)](https://github.com/jeffpaul), [Oscar Sanchez S. (@oscarssanchez)](https://github.com/oscarssanchez), [Ashar Irfan (@asharirfan)](https://github.com/asharirfan), [William Patton (@pattonwebz)](https://github.com/pattonwebz), [Ben Huson (@benhuson)](https://github.com/benhuson), [Jake Jackson (@jakejackson1)](https://github.com/jakejackson1), [Darin Kotter (@dkotter)](https://github.com/dkotter), [Tung Du (@dinhtungdu)](https://github.com/dinhtungdu), [@dtbaker](https://github.com/dtbaker), [Adam Silverstein (@adamsilverstein)](https://github.com/adamsilverstein), [Marco Pereirinha (@pereirinha)](https://github.com/pereirinha), [Brent van Rensburg (@brentvr)](https://github.com/brentvr), [Caspar Hübinger (@glueckpress)](https://github.com/glueckpress), [Thomas Griffin (@thomasgriffin)](https://github.com/thomasgriffin), [Simon Waters (@SimonWaters)](https://github.com/SimonWaters), [Dion Hulse (@dd32)](https://github.com/dd32), [Tim Moore (@tmoorewp)](https://github.com/tmoorewp), [Jeffrey Carandang (@phpbits)](https://github.com/phpbits), [Michele Cipriani (@ciprianimike)](https://github.com/ciprianimike), [Sudip Dadhaniya (@sudip-10up)](https://github.com/sudip-10up), [Faisal Alvi (@faisal-alvi)](https://github.com/faisal-alvi), [Max Lyuchin (@cadic)](https://github.com/cadic), [Leho Kraav (@lkraav)](https://github.com/lkraav), [Dharmesh Patel (@iamdharmesh)](https://github.com/iamdharmesh), [Ankit Gupta (@ankitguptaindia)](https://github.com/ankitguptaindia), [Siddharth Thevaril (@Sidsector9)](https://profiles.wordpress.org/Sidsector9/), [(@dzulfriday)](https://profiles.wordpress.org/dzulfriday/), [Erik Betshammar (@kebbet)](https://github.com/kebbet), [Viktor Szépe (@szepeviktor)](https://github.com/szepeviktor), [Peter Wilson (@peterwilsoncc)](https://github.com/peterwilsoncc), [Vikram Moparthy (@vikrampm1)](https://github.com/vikrampm1), [Dhanendran Rajagopal (@dhanendran)](https://github.com/dhanendran), [Jayedul Kabir (@jayedul)](https://github.com/jayedul), [William Patton (@pattonwebz)](https://github.com/pattonwebz), [Dan Ruscoe (@ruscoe)](https://github.com/ruscoe), [Ravinder Kumar (@ravinderk)](https://github.com/ravinderk), [Konstantinos Galanakis (@kmgalanakis)](https://github.com/kmgalanakis), [Dependabot (@dependabot)](https://github.com/apps/dependabot), [Mika (@mikhail-net)](https://github.com/mikhail-net), [Taylor Lovett (@tlovett1)](https://github.com/tlovett1), [Ben Marshall (@bmarshall511)](https://github.com/bmarshall511), [Harshal Kadu (@QAharshalkadu)](https://github.com/QAharshalkadu), [Laurence Cope (@amityweb)](https://github.com/amityweb), [Shannon Fisher (@shannonmfisher)](https://github.com/shannonmfisher), [Peter Sorensen (@psorensen)](https://github.com/psorensen), [Alex Lion (@alexclassroom)](https://github.com/alexclassroom), [Sudip Dadhaniya (@sudip-md)](https://github.com/sudip-md), [Sissi (@sissibieber)](https://github.com/sissibieber), [Zach Gibb (@zachgibb)](https://github.com/zachgibb), [Martin Jäcke (@mjot)](https://github.com/mjot).
+[10up (@10up)](https://github.com/10up), [Jake Goldman (@jakemgold)](https://github.com/jakemgold), [Ryan Welcher (@ryanwelcher)](https://github.com/ryanwelcher), [Helen Hou-Sandí (@helen)](https://github.com/helen), [Oomph, Inc. (@oomphinc)](https://github.com/oomphinc), [Jeffrey Paul (@jeffpaul)](https://github.com/jeffpaul), [Oscar Sanchez S. (@oscarssanchez)](https://github.com/oscarssanchez), [Ashar Irfan (@asharirfan)](https://github.com/asharirfan), [William Patton (@pattonwebz)](https://github.com/pattonwebz), [Ben Huson (@benhuson)](https://github.com/benhuson), [Jake Jackson (@jakejackson1)](https://github.com/jakejackson1), [Darin Kotter (@dkotter)](https://github.com/dkotter), [Tung Du (@dinhtungdu)](https://github.com/dinhtungdu), [@dtbaker](https://github.com/dtbaker), [Adam Silverstein (@adamsilverstein)](https://github.com/adamsilverstein), [Marco Pereirinha (@pereirinha)](https://github.com/pereirinha), [Brent van Rensburg (@brentvr)](https://github.com/brentvr), [Caspar Hübinger (@glueckpress)](https://github.com/glueckpress), [Thomas Griffin (@thomasgriffin)](https://github.com/thomasgriffin), [Simon Waters (@SimonWaters)](https://github.com/SimonWaters), [Dion Hulse (@dd32)](https://github.com/dd32), [Tim Moore (@tmoorewp)](https://github.com/tmoorewp), [Jeffrey Carandang (@phpbits)](https://github.com/phpbits), [Michele Cipriani (@ciprianimike)](https://github.com/ciprianimike), [Sudip Dadhaniya (@sudip-10up)](https://github.com/sudip-10up), [Faisal Alvi (@faisal-alvi)](https://github.com/faisal-alvi), [Max Lyuchin (@cadic)](https://github.com/cadic), [Leho Kraav (@lkraav)](https://github.com/lkraav), [Dharmesh Patel (@iamdharmesh)](https://github.com/iamdharmesh), [Ankit Gupta (@ankitguptaindia)](https://github.com/ankitguptaindia), [Siddharth Thevaril (@Sidsector9)](https://profiles.wordpress.org/Sidsector9/), [(@dzulfriday)](https://profiles.wordpress.org/dzulfriday/), [Erik Betshammar (@kebbet)](https://github.com/kebbet), [Viktor Szépe (@szepeviktor)](https://github.com/szepeviktor), [Peter Wilson (@peterwilsoncc)](https://github.com/peterwilsoncc), [Vikram Moparthy (@vikrampm1)](https://github.com/vikrampm1), [Dhanendran Rajagopal (@dhanendran)](https://github.com/dhanendran), [Jayedul Kabir (@jayedul)](https://github.com/jayedul), [William Patton (@pattonwebz)](https://github.com/pattonwebz), [Dan Ruscoe (@ruscoe)](https://github.com/ruscoe), [Ravinder Kumar (@ravinderk)](https://github.com/ravinderk), [Konstantinos Galanakis (@kmgalanakis)](https://github.com/kmgalanakis), [Dependabot (@dependabot)](https://github.com/apps/dependabot), [Mika (@mikhail-net)](https://github.com/mikhail-net), [Taylor Lovett (@tlovett1)](https://github.com/tlovett1), [Ben Marshall (@bmarshall511)](https://github.com/bmarshall511), [Harshal Kadu (@QAharshalkadu)](https://github.com/QAharshalkadu), [Laurence Cope (@amityweb)](https://github.com/amityweb), [Shannon Fisher (@shannonmfisher)](https://github.com/shannonmfisher), [Peter Sorensen (@psorensen)](https://github.com/psorensen), [Alex Lion (@alexclassroom)](https://github.com/alexclassroom), [Sudip Dadhaniya (@sudip-md)](https://github.com/sudip-md), [Sissi (@sissibieber)](https://github.com/sissibieber), [Zach Gibb (@zachgibb)](https://github.com/zachgibb), [Martin Jäcke (@mjot)](https://github.com/mjot), [Tom (@xDehy)](https://github.com/xDehy), [Nilambar Sharma (@ernilambar)](https://github.com/ernilambar).
 
 ## Libraries
 
diff --git a/class-simple-page-ordering.php b/class-simple-page-ordering.php
index 8098e2d..c41ebc7 100644
--- a/class-simple-page-ordering.php
+++ b/class-simple-page-ordering.php
@@ -9,7 +9,7 @@
 use WP_Query;
 
 // Useful global constants.
-define( 'SIMPLE_PAGE_ORDERING_VERSION', '2.7.1' );
+define( 'SIMPLE_PAGE_ORDERING_VERSION', '2.7.2' );
 
 if ( ! class_exists( 'Simple_Page_Ordering' ) ) :
 
diff --git a/package-lock.json b/package-lock.json
index 9cc33ec..ce904fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "simple-page-ordering",
-  "version": "2.7.1",
+  "version": "2.7.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "simple-page-ordering",
-      "version": "2.7.1",
+      "version": "2.7.2",
       "license": "GPL-2.0-or-later",
       "dependencies": {
         "@wordpress/html-entities": "^3.50.0"
diff --git a/package.json b/package.json
index b1af789..aefce1a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "simple-page-ordering",
   "description": "Order your pages and other hierarchical post types with simple drag and drop right from the standard page list.",
-  "version": "2.7.1",
+  "version": "2.7.2",
   "author": "10up <opensource@10up.com> (https://10up.com)",
   "license": "GPL-2.0-or-later",
   "devDependencies": {
diff --git a/readme.txt b/readme.txt
index a19bcef..5b0eb40 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors:      10up, jakemgold, welcher, helen, thinkoomph, jeffpaul
 Donate link:       http://10up.com/plugins/simple-page-ordering-wordpress/
 Tags:              order, re-order, ordering, page, menu order
 Tested up to:      6.6
-Stable tag:        2.7.1
+Stable tag:        2.7.2
 License:           GPLv2 or later
 License URI:       http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -108,6 +108,13 @@ Yes. The plugin registers the REST endpoint `simple-page-ordering/v1/page_orderi
 
 == Changelog ==
 
+= 2.7.2 - 2024-08-21 =
+* **Changed:** Bump WordPress "tested up to" version 6.6 (props [@sudip-md](https://github.com/sudip-md), [@ankitguptaindia](https://github.com/ankitguptaindia), [@jeffpaul](https://github.com/jeffpaul) via [#216](https://github.com/10up/simple-page-ordering/pull/216), [#217](https://github.com/10up/simple-page-ordering/pull/217)).
+* **Changed:** Bump WordPress minimum from 6.3 to 6.4 (props [@sudip-md](https://github.com/sudip-md), [@ankitguptaindia](https://github.com/ankitguptaindia), [@jeffpaul](https://github.com/jeffpaul) via [#216](https://github.com/10up/simple-page-ordering/pull/216)).
+* **Fixed:** Issue where an `Undefined array key` error occurs when a post parent ID does not exist in the `$children_pages` array (props [@xDehy](https://github.com/xDehy), [@peterwilsoncc](https://github.com/peterwilsoncc) via [#219](https://github.com/10up/simple-page-ordering/pull/219)).
+* **Security:** Bump `express` from 4.18.2 to 4.19.2, `follow-redirects` from 1.15.5 to 1.15.6, `postcss` from 7.0.39 to 8.4.33, `10up-toolkit` from 5.2.3 to 6.1.0 and `webpack-dev-middleware` from 5.3.3 to 5.3.4 (props [@dependabot](https://github.com/apps/dependabot), [@faisal-alvi](https://github.com/faisal-alvi) via [#208](https://github.com/10up/simple-page-ordering/pull/208)).
+* **Security:** Bump `braces` from 3.0.2 to 3.0.3 and `ws` from 7.5.9 to 7.5.10 (props [@dependabot](https://github.com/apps/dependabot), [@iamdharmesh](https://github.com/iamdharmesh) via [#214](https://github.com/10up/simple-page-ordering/pull/214)).
+
 = 2.7.1 - 2024-06-03 =
 * **Added:** The missing Text Domain (props [@alexclassroom](https://github.com/alexclassroom), [@dkotter](https://github.com/dkotter) via [#199](https://github.com/10up/simple-page-ordering/pull/199)).
 * **Added:** The "Testing" section in the `CONTRIBUTING.md` file (props [@kmgalanakis](https://github.com/kmgalanakis), [@jeffpaul](https://github.com/jeffpaul) via [#202](https://github.com/10up/simple-page-ordering/pull/202)).
@@ -187,5 +194,8 @@ Yes. The plugin registers the REST endpoint `simple-page-ordering/v1/page_orderi
 
 == Upgrade Notice ==
 
+= 2.7.2 =
+This release bumps the minimum required version of WordPress from 6.3 to 6.4.
+
 = 2.5.0 =
 This release bumps the minimum required versions of PHP from 5.6 to 7.4 and WordPress from 3.8 to 5.7.
diff --git a/simple-page-ordering.php b/simple-page-ordering.php
index 74cd390..be1dbb9 100644
--- a/simple-page-ordering.php
+++ b/simple-page-ordering.php
@@ -3,7 +3,7 @@
  * Plugin Name:       Simple Page Ordering
  * Plugin URI:        http://10up.com/plugins/simple-page-ordering-wordpress/
  * Description:       Order your pages and hierarchical post types using drag and drop on the built in page list. For further instructions, open the "Help" tab on the Pages screen.
- * Version:           2.7.1
+ * Version:           2.7.2
  * Requires at least: 6.4
  * Requires PHP:      7.4
  * Author:            10up