diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9aefd1d..bc42723 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -55,6 +55,7 @@ jobs:
           exit 0
         fi
         terminus auth:login --machine-token=$TERMINUS_TOKEN
+    - run: ./bin/validate-fixture-version.sh
     - run: ./bin/behat-prepare.sh
     - run: ./bin/behat-test.sh --strict
     - run:
diff --git a/README.md b/README.md
index d405934..93c9999 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 **Contributors:** [getpantheon](https://profiles.wordpress.org/getpantheon/), [danielbachhuber](https://profiles.wordpress.org/danielbachhuber/), [jspellman](https://profiles.wordpress.org/jspellman/), [jazzs3quence](https://profiles.wordpress.org/jazzs3quence)  
 **Tags:** Pantheon, hosting, environment-indicator  
 **Requires at least:** 4.9  
-**Tested up to:** 6.2  
+**Tested up to:** 6.3  
 **Stable tag:** 0.4.4-dev  
 **License:** GPLv2 or later  
 **License URI:** http://www.gnu.org/licenses/gpl-2.0.html  
diff --git a/bin/behat-prepare.sh b/bin/behat-prepare.sh
index be735ba..afab871 100755
--- a/bin/behat-prepare.sh
+++ b/bin/behat-prepare.sh
@@ -53,12 +53,6 @@ cd $BASH_DIR/..
 rsync -av --exclude='vendor/' --exclude='node_modules/' --exclude='tests/' ./* $PREPARE_DIR/wp-content/plugins/pantheon-hud
 rm -rf $PREPARE_DIR/wp-content/plugins/pantheon-hud/.git
 
-# Download the latest Classic Editor release from WordPress.org
-wget -O $PREPARE_DIR/classic-editor.zip https://downloads.wordpress.org/plugin/classic-editor.zip
-unzip $PREPARE_DIR/classic-editor.zip -d $PREPARE_DIR
-mv $PREPARE_DIR/classic-editor $PREPARE_DIR/wp-content/plugins/
-rm $PREPARE_DIR/classic-editor.zip
-
 ###
 # Push files to the environment
 ###
@@ -80,6 +74,6 @@ terminus build:workflow:wait $TERMINUS_SITE.$TERMINUS_ENV
   terminus wp $SITE_ENV -- core install --title=$TERMINUS_ENV-$TERMINUS_SITE --url=$PANTHEON_SITE_URL --admin_user=$WORDPRESS_ADMIN_USERNAME --admin_email=pantheon-hud@getpantheon.com --admin_password=$WORDPRESS_ADMIN_PASSWORD
 } &> /dev/null
 terminus wp $SITE_ENV -- cache flush
-terminus wp $SITE_ENV -- plugin activate pantheon-hud classic-editor
-terminus wp $SITE_ENV -- theme activate twentyseventeen
+terminus wp $SITE_ENV -- plugin activate pantheon-hud
+terminus wp $SITE_ENV -- theme activate twentytwentythree
 terminus wp $SITE_ENV -- rewrite structure '/%year%/%monthnum%/%day%/%postname%/'
diff --git a/bin/phpunit-test.sh b/bin/phpunit-test.sh
index 4b4d630..f0030fa 100755
--- a/bin/phpunit-test.sh
+++ b/bin/phpunit-test.sh
@@ -8,6 +8,11 @@ bash "${DIRNAME}/install-wp-tests.sh" wordpress_test root root 127.0.0.1 latest
 echo "Running PHPUnit on Single Site"
 composer phpunit
 rm -rf $WP_TESTS_DIR $WP_CORE_DIR
+
+bash "${DIRNAME}/install-wp-tests.sh" wordpress_test root root 127.0.0.1 nightly true
+echo "Running PHPUnit on Single Site (Nightly WordPress)"
+composer phpunit
+
 bash "${DIRNAME}/install-wp-tests.sh" wordpress_test root root 127.0.0.1 latest true
 echo "Running PHPUnit on Multisite"
 WP_MULTISITE=1 composer phpunit
diff --git a/bin/validate-fixture-version.sh b/bin/validate-fixture-version.sh
new file mode 100755
index 0000000..5a27b99
--- /dev/null
+++ b/bin/validate-fixture-version.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+main(){
+    export TERMINUS_HIDE_GIT_MODE_WARNING=1
+    local DIRNAME=$(dirname "$0")
+
+    if [ -z "${TERMINUS_SITE}" ]; then
+        echo "TERMINUS_SITE environment variable must be set"
+        exit 1
+    fi
+
+    if ! terminus whoami > /dev/null; then
+        if [ -z "${TERMINUS_TOKEN}" ]; then
+            echo "TERMINUS_TOKEN environment variable must be set or terminus already logged in."
+            exit 1
+        fi
+        terminus auth:login --machine-token="${TERMINUS_TOKEN}"
+    fi
+    # Use find to locate the file with a case-insensitive search
+    README_FILE_PATH=$(find ${DIRNAME}/.. -iname "readme.txt" -print -quit)
+    if [[ -z "$README_FILE_PATH" ]]; then
+        echo "readme.txt not found."
+        exit 1
+    fi
+
+    local TESTED_UP_TO
+    TESTED_UP_TO=$(grep -i "Tested up to:" "${README_FILE_PATH}" | tr -d '\r\n' | awk -F ': ' '{ print $2 }')
+    echo "Tested Up To: ${TESTED_UP_TO}"
+    local FIXTURE_VERSION
+    FIXTURE_VERSION=$(terminus wp "${TERMINUS_SITE}.dev" -- core version)
+    echo "Fixture Version: ${FIXTURE_VERSION}"
+
+    if ! php -r "exit(version_compare('${TESTED_UP_TO}', '${FIXTURE_VERSION}'));"; then
+        echo "${FIXTURE_VERSION} is less than ${TESTED_UP_TO}"
+        echo "Please update ${TERMINUS_SITE} to at least WordPress ${TESTED_UP_TO}"
+        exit 1
+    fi
+}
+
+main
diff --git a/composer.lock b/composer.lock
index 05a3c6c..4bd180e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -61,16 +61,16 @@
         },
         {
             "name": "behat/behat",
-            "version": "v3.12.0",
+            "version": "v3.13.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Behat/Behat.git",
-                "reference": "2f059c9172764ba1f1759b3679aca499b665330a"
+                "reference": "9dd7cdb309e464ddeab095cd1a5151c2dccba4ab"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Behat/Behat/zipball/2f059c9172764ba1f1759b3679aca499b665330a",
-                "reference": "2f059c9172764ba1f1759b3679aca499b665330a",
+                "url": "https://api.github.com/repos/Behat/Behat/zipball/9dd7cdb309e464ddeab095cd1a5151c2dccba4ab",
+                "reference": "9dd7cdb309e464ddeab095cd1a5151c2dccba4ab",
                 "shasum": ""
             },
             "require": {
@@ -142,9 +142,9 @@
             ],
             "support": {
                 "issues": "https://github.com/Behat/Behat/issues",
-                "source": "https://github.com/Behat/Behat/tree/v3.12.0"
+                "source": "https://github.com/Behat/Behat/tree/v3.13.0"
             },
-            "time": "2022-11-29T15:30:11+00:00"
+            "time": "2023-04-18T15:40:53+00:00"
         },
         {
             "name": "behat/gherkin",
@@ -455,6 +455,7 @@
                 "issues": "https://github.com/minkphp/MinkGoutteDriver/issues",
                 "source": "https://github.com/minkphp/MinkGoutteDriver/tree/v1.3.0"
             },
+            "abandoned": "behat/mink-browserkit-driver",
             "time": "2021-10-12T11:35:46+00:00"
         },
         {
@@ -884,16 +885,16 @@
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "1.5.2",
+            "version": "1.5.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "b94b2807d85443f9719887892882d0329d1e2598"
+                "reference": "67ab6e18aaa14d753cc148911d273f6e6cb6721e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/b94b2807d85443f9719887892882d0329d1e2598",
-                "reference": "b94b2807d85443f9719887892882d0329d1e2598",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/67ab6e18aaa14d753cc148911d273f6e6cb6721e",
+                "reference": "67ab6e18aaa14d753cc148911d273f6e6cb6721e",
                 "shasum": ""
             },
             "require": {
@@ -903,11 +904,6 @@
                 "symfony/phpunit-bridge": "^4.4 || ^5.1"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.5-dev"
-                }
-            },
             "autoload": {
                 "files": [
                     "src/functions_include.php"
@@ -948,7 +944,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/1.5.2"
+                "source": "https://github.com/guzzle/promises/tree/1.5.3"
             },
             "funding": [
                 {
@@ -964,20 +960,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-08-28T14:55:35+00:00"
+            "time": "2023-05-21T12:31:43+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "1.9.0",
+            "version": "1.9.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "e98e3e6d4f86621a9b75f623996e6bbdeb4b9318"
+                "reference": "e4490cabc77465aaee90b20cfc9a770f8c04be6b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/e98e3e6d4f86621a9b75f623996e6bbdeb4b9318",
-                "reference": "e98e3e6d4f86621a9b75f623996e6bbdeb4b9318",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/e4490cabc77465aaee90b20cfc9a770f8c04be6b",
+                "reference": "e4490cabc77465aaee90b20cfc9a770f8c04be6b",
                 "shasum": ""
             },
             "require": {
@@ -996,11 +992,6 @@
                 "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.9-dev"
-                }
-            },
             "autoload": {
                 "files": [
                     "src/functions_include.php"
@@ -1058,7 +1049,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/1.9.0"
+                "source": "https://github.com/guzzle/psr7/tree/1.9.1"
             },
             "funding": [
                 {
@@ -1074,7 +1065,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-06-20T21:43:03+00:00"
+            "time": "2023-04-17T16:00:37+00:00"
         },
         {
             "name": "myclabs/deep-copy",
@@ -1137,16 +1128,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.15.4",
+            "version": "v4.16.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "6bb5176bc4af8bcb7d926f88718db9b96a2d4290"
+                "reference": "19526a33fb561ef417e822e85f08a00db4059c17"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/6bb5176bc4af8bcb7d926f88718db9b96a2d4290",
-                "reference": "6bb5176bc4af8bcb7d926f88718db9b96a2d4290",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/19526a33fb561ef417e822e85f08a00db4059c17",
+                "reference": "19526a33fb561ef417e822e85f08a00db4059c17",
                 "shasum": ""
             },
             "require": {
@@ -1187,22 +1178,22 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.15.4"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.16.0"
             },
-            "time": "2023-03-05T19:49:14+00:00"
+            "time": "2023-06-25T14:52:30+00:00"
         },
         {
             "name": "pantheon-systems/pantheon-wordpress-upstream-tests",
             "version": "dev-master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/pantheon-systems/pantheon-wordpress-upstream-tests.git",
-                "reference": "1a0d50c12413b3643a24b578a23b819f11e35ebf"
+                "url": "git@github.com:pantheon-systems/pantheon-wordpress-upstream-tests.git",
+                "reference": "004fc97a604950aef4f62773417691d23b3d75b0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/pantheon-systems/pantheon-wordpress-upstream-tests/zipball/1a0d50c12413b3643a24b578a23b819f11e35ebf",
-                "reference": "1a0d50c12413b3643a24b578a23b819f11e35ebf",
+                "url": "https://api.github.com/repos/pantheon-systems/pantheon-wordpress-upstream-tests/zipball/004fc97a604950aef4f62773417691d23b3d75b0",
+                "reference": "004fc97a604950aef4f62773417691d23b3d75b0",
                 "shasum": ""
             },
             "require": {
@@ -1224,11 +1215,7 @@
                     "email": "noreply@pantheon.io"
                 }
             ],
-            "support": {
-                "issues": "https://github.com/pantheon-systems/pantheon-wordpress-upstream-tests/issues",
-                "source": "https://github.com/pantheon-systems/pantheon-wordpress-upstream-tests/tree/master"
-            },
-            "time": "2020-04-17T11:46:11+00:00"
+            "time": "2023-08-11T17:05:44+00:00"
         },
         {
             "name": "pantheon-systems/pantheon-wp-coding-standards",
@@ -1559,22 +1546,24 @@
         },
         {
             "name": "phpstan/phpdoc-parser",
-            "version": "1.18.1",
+            "version": "1.23.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpdoc-parser.git",
-                "reference": "22dcdfd725ddf99583bfe398fc624ad6c5004a0f"
+                "reference": "846ae76eef31c6d7790fac9bc399ecee45160b26"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/22dcdfd725ddf99583bfe398fc624ad6c5004a0f",
-                "reference": "22dcdfd725ddf99583bfe398fc624ad6c5004a0f",
+                "url": "https://api.github.com/repos/phpstan/phpdoc-parser/zipball/846ae76eef31c6d7790fac9bc399ecee45160b26",
+                "reference": "846ae76eef31c6d7790fac9bc399ecee45160b26",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.2 || ^8.0"
             },
             "require-dev": {
+                "doctrine/annotations": "^2.0",
+                "nikic/php-parser": "^4.15",
                 "php-parallel-lint/php-parallel-lint": "^1.2",
                 "phpstan/extension-installer": "^1.0",
                 "phpstan/phpstan": "^1.5",
@@ -1598,22 +1587,22 @@
             "description": "PHPDoc parser with support for nullable, intersection and generic types",
             "support": {
                 "issues": "https://github.com/phpstan/phpdoc-parser/issues",
-                "source": "https://github.com/phpstan/phpdoc-parser/tree/1.18.1"
+                "source": "https://github.com/phpstan/phpdoc-parser/tree/1.23.1"
             },
-            "time": "2023-04-07T11:51:11+00:00"
+            "time": "2023-08-03T16:32:59+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.26",
+            "version": "9.2.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "443bc6912c9bd5b409254a40f4b0f4ced7c80ea1"
+                "reference": "b0a88255cb70d52653d80c890bd7f38740ea50d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/443bc6912c9bd5b409254a40f4b0f4ced7c80ea1",
-                "reference": "443bc6912c9bd5b409254a40f4b0f4ced7c80ea1",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/b0a88255cb70d52653d80c890bd7f38740ea50d1",
+                "reference": "b0a88255cb70d52653d80c890bd7f38740ea50d1",
                 "shasum": ""
             },
             "require": {
@@ -1669,7 +1658,8 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.26"
+                "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.27"
             },
             "funding": [
                 {
@@ -1677,7 +1667,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-03-06T12:58:08+00:00"
+            "time": "2023-07-26T13:44:30+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -1922,16 +1912,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.7",
+            "version": "9.6.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "c993f0d3b0489ffc42ee2fe0bd645af1538a63b2"
+                "reference": "a6d351645c3fe5a30f5e86be6577d946af65a328"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c993f0d3b0489ffc42ee2fe0bd645af1538a63b2",
-                "reference": "c993f0d3b0489ffc42ee2fe0bd645af1538a63b2",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a6d351645c3fe5a30f5e86be6577d946af65a328",
+                "reference": "a6d351645c3fe5a30f5e86be6577d946af65a328",
                 "shasum": ""
             },
             "require": {
@@ -2005,7 +1995,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.7"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.10"
             },
             "funding": [
                 {
@@ -2021,7 +2011,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-04-14T08:58:40+00:00"
+            "time": "2023-07-10T04:04:23+00:00"
         },
         {
             "name": "psr/container",
@@ -2518,16 +2508,16 @@
         },
         {
             "name": "sebastian/diff",
-            "version": "4.0.4",
+            "version": "4.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "3461e3fccc7cfdfc2720be910d3bd73c69be590d"
+                "reference": "74be17022044ebaaecfdf0c5cd504fc9cd5a7131"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/3461e3fccc7cfdfc2720be910d3bd73c69be590d",
-                "reference": "3461e3fccc7cfdfc2720be910d3bd73c69be590d",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/74be17022044ebaaecfdf0c5cd504fc9cd5a7131",
+                "reference": "74be17022044ebaaecfdf0c5cd504fc9cd5a7131",
                 "shasum": ""
             },
             "require": {
@@ -2572,7 +2562,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/diff/issues",
-                "source": "https://github.com/sebastianbergmann/diff/tree/4.0.4"
+                "source": "https://github.com/sebastianbergmann/diff/tree/4.0.5"
             },
             "funding": [
                 {
@@ -2580,7 +2570,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2020-10-26T13:10:38+00:00"
+            "time": "2023-05-07T05:35:17+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -2724,16 +2714,16 @@
         },
         {
             "name": "sebastian/global-state",
-            "version": "5.0.5",
+            "version": "5.0.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "0ca8db5a5fc9c8646244e629625ac486fa286bf2"
+                "reference": "bde739e7565280bda77be70044ac1047bc007e34"
             },
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@@ -3870,7 +3860,7 @@
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-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.0.2"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.2"
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@@ -3964,16 +3954,16 @@
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@@ -4071,7 +4061,7 @@
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@@ -4108,7 +4098,7 @@
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+                "source": "https://github.com/symfony/event-dispatcher-contracts/tree/v2.5.2"
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+            "time": "2022-01-02T09:53:40+00:00"
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-            "version": "v5.4.21",
+            "version": "v5.4.25",
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                 "url": "https://github.com/symfony/filesystem.git",
-                "reference": "e75960b1bbfd2b8c9e483e0d74811d555ca3de9f"
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-                "reference": "e75960b1bbfd2b8c9e483e0d74811d555ca3de9f",
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@@ -4172,7 +4162,7 @@
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             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/filesystem/tree/v5.4.21"
+                "source": "https://github.com/symfony/filesystem/tree/v5.4.25"
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@@ -4188,7 +4178,7 @@
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-            "time": "2023-02-14T08:03:56+00:00"
+            "time": "2023-05-31T13:04:02+00:00"
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@@ -5009,33 +4999,34 @@
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-            "version": "v6.0.19",
+            "version": "v5.4.26",
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                 "url": "https://github.com/symfony/string.git",
-                "reference": "d9e72497367c23e08bf94176d2be45b00a9d232a"
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-                "reference": "d9e72497367c23e08bf94176d2be45b00a9d232a",
+                "url": "https://api.github.com/repos/symfony/string/zipball/1181fe9270e373537475e826873b5867b863883c",
+                "reference": "1181fe9270e373537475e826873b5867b863883c",
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-                "php": ">=8.0.2",
+                "php": ">=7.2.5",
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                 "symfony/polyfill-intl-grapheme": "~1.0",
                 "symfony/polyfill-intl-normalizer": "~1.0",
-                "symfony/polyfill-mbstring": "~1.0"
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/polyfill-php80": "~1.15"
             },
             "conflict": {
-                "symfony/translation-contracts": "<2.0"
+                "symfony/translation-contracts": ">=3.0"
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-                "symfony/http-client": "^5.4|^6.0",
-                "symfony/translation-contracts": "^2.0|^3.0",
-                "symfony/var-exporter": "^5.4|^6.0"
+                "symfony/error-handler": "^4.4|^5.0|^6.0",
+                "symfony/http-client": "^4.4|^5.0|^6.0",
+                "symfony/translation-contracts": "^1.1|^2",
+                "symfony/var-exporter": "^4.4|^5.0|^6.0"
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             "type": "library",
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@@ -5074,7 +5065,7 @@
                 "utf8"
             ],
             "support": {
-                "source": "https://github.com/symfony/string/tree/v6.0.19"
+                "source": "https://github.com/symfony/string/tree/v5.4.26"
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@@ -5090,7 +5081,7 @@
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-            "time": "2023-01-01T08:36:10+00:00"
+            "time": "2023-06-28T12:46:07+00:00"
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@@ -5261,27 +5252,28 @@
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             "name": "symfony/yaml",
-            "version": "v6.0.19",
+            "version": "v5.4.23",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "deec3a812a0305a50db8ae689b183f43d915c884"
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-                "reference": "deec3a812a0305a50db8ae689b183f43d915c884",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/4cd2e3ea301aadd76a4172756296fe552fb45b0b",
+                "reference": "4cd2e3ea301aadd76a4172756296fe552fb45b0b",
                 "shasum": ""
             },
             "require": {
-                "php": ">=8.0.2",
+                "php": ">=7.2.5",
+                "symfony/deprecation-contracts": "^2.1|^3",
                 "symfony/polyfill-ctype": "^1.8"
             },
             "conflict": {
-                "symfony/console": "<5.4"
+                "symfony/console": "<5.3"
             },
             "require-dev": {
-                "symfony/console": "^5.4|^6.0"
+                "symfony/console": "^5.3|^6.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
@@ -5315,7 +5307,7 @@
             "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v6.0.19"
+                "source": "https://github.com/symfony/yaml/tree/v5.4.23"
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@@ -5331,7 +5323,7 @@
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             ],
-            "time": "2023-01-11T11:50:03+00:00"
+            "time": "2023-04-23T19:33:36+00:00"
         },
         {
             "name": "theseer/tokenizer",
diff --git a/readme.txt b/readme.txt
index 9508278..7fe56ba 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,7 +2,7 @@
 Contributors: getpantheon, danielbachhuber, jspellman, jazzs3quence
 Tags: Pantheon, hosting, environment-indicator
 Requires at least: 4.9
-Tested up to: 6.2
+Tested up to: 6.3
 Stable tag: 0.4.4-dev
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -11,8 +11,6 @@ A heads-up display into your Pantheon environment.
 
 == Description ==
 
-[![Build Status](https://travis-ci.org/pantheon-systems/pantheon-hud.svg?branch=master)](https://travis-ci.org/pantheon-systems/pantheon-hud)
-
 This plugin provides situational awareness of the Pantheon plaform from within your WordPress dashboard. It's helpful to be reminded what environment you're in, as well as providing quick links to get back to Pantheon's dashboard, or to interface with your WordPress installation via the command line.
 
 Pantheon HUD is in early stages of development. We want your feedback! [Create a Github issue](https://github.com/pantheon-systems/pantheon-hud/issues) with questions, feature requests, or bug reports.