diff --git a/.github/actions/setup-matrix/dist/index.js b/.github/actions/setup-matrix/dist/index.js
index 02caefa..1b7340d 100644
--- a/.github/actions/setup-matrix/dist/index.js
+++ b/.github/actions/setup-matrix/dist/index.js
@@ -14119,7 +14119,7 @@ module.exports = JSON.parse('[[[0,44],"disallowed_STD3_valid"],[[45,46],"valid"]
 /***/ ((module) => {
 
 "use strict";
-module.exports = JSON.parse('{"Test E2E":{"WP":["latest","6.4","6.3","6.2"],"allow-failure":[false],"include":[{"WP":"nightly","allow-failure":true}]},"Test PHPUnit":{"WP":["latest","6.4","6.3","6.2"],"PHP":["8.2","8.1","8.0","7.4"],"LLMS":[""],"allow-failure":[false],"name-append":[""],"include":[{"PHP":"8.2","WP":"nightly","allow-failure":true},{"name-append":" (LLMS nightly)","PHP":"8.2","WP":"6.3","LLMS":"dev","allow-failure":true}]}}');
+module.exports = JSON.parse('{"Test E2E":{"WP":["latest","6.6","6.5","6.4","6.3","6.2"],"allow-failure":[false],"include":[{"WP":"nightly","allow-failure":true}]},"Test PHPUnit":{"WP":["latest","6.6","6.5","6.4","6.3","6.2"],"PHP":["8.2","8.1","8.0","7.4"],"LLMS":[""],"allow-failure":[false],"name-append":[""],"include":[{"PHP":"8.2","WP":"nightly","allow-failure":true}]}}');
 
 /***/ }),
 
diff --git a/.github/actions/setup-matrix/src/defaults.json b/.github/actions/setup-matrix/src/defaults.json
index c1fa1f8..75b462f 100644
--- a/.github/actions/setup-matrix/src/defaults.json
+++ b/.github/actions/setup-matrix/src/defaults.json
@@ -2,6 +2,8 @@
   "Test E2E": {
     "WP": [
       "latest",
+      "6.6",
+      "6.5",
       "6.4",
       "6.3",
       "6.2"
@@ -19,6 +21,8 @@
   "Test PHPUnit": {
     "WP": [
       "latest",
+      "6.6",
+      "6.5",
       "6.4",
       "6.3",
       "6.2"
@@ -43,13 +47,6 @@
         "PHP": "8.2",
         "WP": "nightly",
         "allow-failure": true
-      },
-      {
-        "name-append": " (LLMS nightly)",
-        "PHP": "8.2",
-        "WP": "6.3",
-        "LLMS": "dev",
-        "allow-failure": true
       }
     ]
   }
diff --git a/.github/actions/setup-matrix/src/defaults.yml b/.github/actions/setup-matrix/src/defaults.yml
index 4482479..282476a 100644
--- a/.github/actions/setup-matrix/src/defaults.yml
+++ b/.github/actions/setup-matrix/src/defaults.yml
@@ -1,6 +1,8 @@
 Test E2E:
   WP:
     - 'latest'
+    - '6.6'
+    - '6.5'
     - '6.4'
     - '6.3'
     - '6.2'
@@ -14,6 +16,8 @@ Test E2E:
 Test PHPUnit:
   WP:
     - 'latest'
+    - '6.6'
+    - '6.5'
     - '6.4'
     - '6.3'
     - '6.2'
@@ -33,8 +37,3 @@ Test PHPUnit:
     - PHP: '8.2'
       WP: 'nightly'
       allow-failure: true
-    - name-append: ' (LLMS nightly)'
-      PHP: '8.2'
-      WP: '6.3'
-      LLMS: 'dev'
-      allow-failure: true