diff --git a/eslint.config.mjs b/eslint.config.mjs
index 01245ec83fa..bc5b452bd94 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -273,6 +273,7 @@ const config = defineConfig([
     },
     rules: {
       ...vitest.configs.recommended.rules,
+      'vitest/no-conditional-expect': 'off',
     },
     settings: {
       vitest: {
diff --git a/package-lock.json b/package-lock.json
index 232def519e0..64f45201e56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,9 +32,9 @@
         "@primer/stylelint-config": "13.4.1",
         "@size-limit/preset-big-lib": "11.2.0",
         "@types/semver": "^7.7.1",
-        "@vitest/browser": "^4.0.3",
-        "@vitest/browser-playwright": "^4.0.3",
-        "@vitest/eslint-plugin": "^1.3.24",
+        "@vitest/browser": "^4.0.15",
+        "@vitest/browser-playwright": "^4.0.15",
+        "@vitest/eslint-plugin": "^1.5.2",
         "babel-plugin-react-compiler": "^1.0.0",
         "change-case": "^5.4.4",
         "eslint": "^9.39.1",
@@ -63,7 +63,7 @@
         "turbo": "^2.5.5",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.40.0",
-        "vitest": "^4.0.3"
+        "vitest": "^4.0.15"
       },
       "engines": {
         "node": ">=12",
@@ -80,7 +80,7 @@
         "react-dom": "^18.3.1"
       },
       "devDependencies": {
-        "@primer/react": "38.4.0",
+        "@primer/react": "38.5.0",
         "@primer/styled-react": "1.0.2",
         "@types/react": "^18.3.11",
         "@types/react-dom": "^18.3.0",
@@ -94,7 +94,7 @@
       "name": "example-nextjs",
       "version": "0.0.0",
       "dependencies": {
-        "@primer/react": "38.4.0",
+        "@primer/react": "38.5.0",
         "@primer/styled-react": "1.0.2",
         "next": "^16.0.7",
         "react": "^19.2.0",
@@ -137,7 +137,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@primer/octicons-react": "^19.14.0",
-        "@primer/react": "38.4.0",
+        "@primer/react": "38.5.0",
         "@primer/styled-react": "1.0.2",
         "clsx": "^2.1.1",
         "next": "^16.0.7",
@@ -9348,15 +9348,15 @@
       }
     },
     "node_modules/@vitest/browser": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/browser/-/browser-4.0.3.tgz",
-      "integrity": "sha512-XmGOU2m0x86yFIrAFiIQ5yV7dpk8hW1HCohUR7QOGfywGS8z2WshdEZc5A+G67mS69L8Ub3NEttjWtXVhw/Sew==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/browser/-/browser-4.0.15.tgz",
+      "integrity": "sha512-zedtczX688KehaIaAv7m25CeDLb0gBtAOa2Oi1G1cqvSO5aLSVfH6lpZMJLW8BKYuWMxLQc9/5GYoM+jgvGIrw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/mocker": "4.0.3",
-        "@vitest/utils": "4.0.3",
-        "magic-string": "^0.30.19",
+        "@vitest/mocker": "4.0.15",
+        "@vitest/utils": "4.0.15",
+        "magic-string": "^0.30.21",
         "pixelmatch": "7.1.0",
         "pngjs": "^7.0.0",
         "sirv": "^3.0.2",
@@ -9367,18 +9367,18 @@
         "url": "https://opencollective.com/vitest"
       },
       "peerDependencies": {
-        "vitest": "4.0.3"
+        "vitest": "4.0.15"
       }
     },
     "node_modules/@vitest/browser-playwright": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/browser-playwright/-/browser-playwright-4.0.3.tgz",
-      "integrity": "sha512-dWbOAtgWRsa4ErGqBqb1noX8BzoHy3Ti1wgm+rA7qJ9bB1JaTDUK1yZk+WAhD/zKw9s6Eyi+etPumId1U8W7dA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/browser-playwright/-/browser-playwright-4.0.15.tgz",
+      "integrity": "sha512-94yVpDbb+ykiT7mK6ToonGnq2GIHEQGBTZTAzGxBGQXcVNCh54YKC2/WkfaDzxy0m6Kgw05kq3FYHKHu+wRdIA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/browser": "4.0.3",
-        "@vitest/mocker": "4.0.3",
+        "@vitest/browser": "4.0.15",
+        "@vitest/mocker": "4.0.15",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -9386,7 +9386,7 @@
       },
       "peerDependencies": {
         "playwright": "*",
-        "vitest": "4.0.3"
+        "vitest": "4.0.15"
       },
       "peerDependenciesMeta": {
         "playwright": {
@@ -9395,15 +9395,15 @@
       }
     },
     "node_modules/@vitest/browser-playwright/node_modules/@vitest/mocker": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.3.tgz",
-      "integrity": "sha512-evZcRspIPbbiJEe748zI2BRu94ThCBE+RkjCpVF8yoVYuTV7hMe+4wLF/7K86r8GwJHSmAPnPbZhpXWWrg1qbA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.15.tgz",
+      "integrity": "sha512-CZ28GLfOEIFkvCFngN8Sfx5h+Se0zN+h4B7yOsPVCcgtiO7t5jt9xQh2E1UkFep+eb9fjyMfuC5gBypwb07fvQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.0.3",
+        "@vitest/spy": "4.0.15",
         "estree-walker": "^3.0.3",
-        "magic-string": "^0.30.19"
+        "magic-string": "^0.30.21"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -9422,9 +9422,9 @@
       }
     },
     "node_modules/@vitest/browser-playwright/node_modules/@vitest/spy": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.3.tgz",
-      "integrity": "sha512-82vVL8Cqz7rbXaNUl35V2G7xeNMAjBdNOVaHbrzznT9BmiCiPOzhf0FhU3eP41nP1bLDm/5wWKZqkG4nyU95DQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.15.tgz",
+      "integrity": "sha512-+EIjOJmnY6mIfdXtE/bnozKEvTC4Uczg19yeZ2vtCz5Yyb0QQ31QWVQ8hswJ3Ysx/K2EqaNsVanjr//2+P3FHw==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -9452,15 +9452,15 @@
       }
     },
     "node_modules/@vitest/browser/node_modules/@vitest/mocker": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.3.tgz",
-      "integrity": "sha512-evZcRspIPbbiJEe748zI2BRu94ThCBE+RkjCpVF8yoVYuTV7hMe+4wLF/7K86r8GwJHSmAPnPbZhpXWWrg1qbA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.15.tgz",
+      "integrity": "sha512-CZ28GLfOEIFkvCFngN8Sfx5h+Se0zN+h4B7yOsPVCcgtiO7t5jt9xQh2E1UkFep+eb9fjyMfuC5gBypwb07fvQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.0.3",
+        "@vitest/spy": "4.0.15",
         "estree-walker": "^3.0.3",
-        "magic-string": "^0.30.19"
+        "magic-string": "^0.30.21"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -9479,9 +9479,9 @@
       }
     },
     "node_modules/@vitest/browser/node_modules/@vitest/pretty-format": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.3.tgz",
-      "integrity": "sha512-N7gly/DRXzxa9w9sbDXwD9QNFYP2hw90LLLGDobPNwiWgyW95GMxsCt29/COIKKh3P7XJICR38PSDePenMBtsw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.15.tgz",
+      "integrity": "sha512-SWdqR8vEv83WtZcrfLNqlqeQXlQLh2iilO1Wk1gv4eiHKjEzvgHb2OVc3mIPyhZE6F+CtfYjNlDJwP5MN6Km7A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -9492,9 +9492,9 @@
       }
     },
     "node_modules/@vitest/browser/node_modules/@vitest/spy": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.3.tgz",
-      "integrity": "sha512-82vVL8Cqz7rbXaNUl35V2G7xeNMAjBdNOVaHbrzznT9BmiCiPOzhf0FhU3eP41nP1bLDm/5wWKZqkG4nyU95DQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.15.tgz",
+      "integrity": "sha512-+EIjOJmnY6mIfdXtE/bnozKEvTC4Uczg19yeZ2vtCz5Yyb0QQ31QWVQ8hswJ3Ysx/K2EqaNsVanjr//2+P3FHw==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -9502,13 +9502,13 @@
       }
     },
     "node_modules/@vitest/browser/node_modules/@vitest/utils": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.3.tgz",
-      "integrity": "sha512-qV6KJkq8W3piW6MDIbGOmn1xhvcW4DuA07alqaQ+vdx7YA49J85pnwnxigZVQFQw3tWnQNRKWwhz5wbP6iv/GQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.15.tgz",
+      "integrity": "sha512-HXjPW2w5dxhTD0dLwtYHDnelK3j8sR8cWIaLxr22evTyY6q8pRCjZSmhRWVjBaOVXChQd6AwMzi9pucorXCPZA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.3",
+        "@vitest/pretty-format": "4.0.15",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -9536,9 +9536,9 @@
       }
     },
     "node_modules/@vitest/eslint-plugin": {
-      "version": "1.3.24",
-      "resolved": "https://registry.npmjs.org/@vitest/eslint-plugin/-/eslint-plugin-1.3.24.tgz",
-      "integrity": "sha512-p1HbH4tMp6kqXS3dwFgy9Ne5Cs9UdBWnGL714m6I/xLK0QoU7MQcR+r+bUjgSFBimNrgiNzUGQ0aiFzKTiJacA==",
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/@vitest/eslint-plugin/-/eslint-plugin-1.5.2.tgz",
+      "integrity": "sha512-2t1F2iecXB/b1Ox4U137lhD3chihEE3dRVtu3qMD35tc6UqUjg1VGRJoS1AkFKwpT8zv8OQInzPQO06hrRkeqw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -9807,13 +9807,13 @@
       }
     },
     "node_modules/@vitest/runner": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.0.3.tgz",
-      "integrity": "sha512-1/aK6fPM0lYXWyGKwop2Gbvz1plyTps/HDbIIJXYtJtspHjpXIeB3If07eWpVH4HW7Rmd3Rl+IS/+zEAXrRtXA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.0.15.tgz",
+      "integrity": "sha512-+A+yMY8dGixUhHmNdPUxOh0la6uVzun86vAbuMT3hIDxMrAOmn5ILBHm8ajrqHE0t8R9T1dGnde1A5DTnmi3qw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/utils": "4.0.3",
+        "@vitest/utils": "4.0.15",
         "pathe": "^2.0.3"
       },
       "funding": {
@@ -9821,9 +9821,9 @@
       }
     },
     "node_modules/@vitest/runner/node_modules/@vitest/pretty-format": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.3.tgz",
-      "integrity": "sha512-N7gly/DRXzxa9w9sbDXwD9QNFYP2hw90LLLGDobPNwiWgyW95GMxsCt29/COIKKh3P7XJICR38PSDePenMBtsw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.15.tgz",
+      "integrity": "sha512-SWdqR8vEv83WtZcrfLNqlqeQXlQLh2iilO1Wk1gv4eiHKjEzvgHb2OVc3mIPyhZE6F+CtfYjNlDJwP5MN6Km7A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -9834,13 +9834,13 @@
       }
     },
     "node_modules/@vitest/runner/node_modules/@vitest/utils": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.3.tgz",
-      "integrity": "sha512-qV6KJkq8W3piW6MDIbGOmn1xhvcW4DuA07alqaQ+vdx7YA49J85pnwnxigZVQFQw3tWnQNRKWwhz5wbP6iv/GQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.15.tgz",
+      "integrity": "sha512-HXjPW2w5dxhTD0dLwtYHDnelK3j8sR8cWIaLxr22evTyY6q8pRCjZSmhRWVjBaOVXChQd6AwMzi9pucorXCPZA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.3",
+        "@vitest/pretty-format": "4.0.15",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -9858,14 +9858,14 @@
       }
     },
     "node_modules/@vitest/snapshot": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.0.3.tgz",
-      "integrity": "sha512-amnYmvZ5MTjNCP1HZmdeczAPLRD6iOm9+2nMRUGxbe/6sQ0Ymur0NnR9LIrWS8JA3wKE71X25D6ya/3LN9YytA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.0.15.tgz",
+      "integrity": "sha512-A7Ob8EdFZJIBjLjeO0DZF4lqR6U7Ydi5/5LIZ0xcI+23lYlsYJAfGn8PrIWTYdZQRNnSRlzhg0zyGu37mVdy5g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.3",
-        "magic-string": "^0.30.19",
+        "@vitest/pretty-format": "4.0.15",
+        "magic-string": "^0.30.21",
         "pathe": "^2.0.3"
       },
       "funding": {
@@ -9873,9 +9873,9 @@
       }
     },
     "node_modules/@vitest/snapshot/node_modules/@vitest/pretty-format": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.3.tgz",
-      "integrity": "sha512-N7gly/DRXzxa9w9sbDXwD9QNFYP2hw90LLLGDobPNwiWgyW95GMxsCt29/COIKKh3P7XJICR38PSDePenMBtsw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.15.tgz",
+      "integrity": "sha512-SWdqR8vEv83WtZcrfLNqlqeQXlQLh2iilO1Wk1gv4eiHKjEzvgHb2OVc3mIPyhZE6F+CtfYjNlDJwP5MN6Km7A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -16929,9 +16929,9 @@
       }
     },
     "node_modules/magic-string": {
-      "version": "0.30.19",
-      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.19.tgz",
-      "integrity": "sha512-2N21sPY9Ws53PZvsEpVtNuSW+ScYbQdp4b9qUaL+9QkHUrGFKo56Lg9Emg5s9V/qrtNBmiR01sYhUOwu3H+VOw==",
+      "version": "0.30.21",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+      "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -18646,6 +18646,17 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/obug": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/obug/-/obug-2.1.1.tgz",
+      "integrity": "sha512-uTqF9MuPraAQ+IsnPf366RG4cP9RtUi7MLO1N3KEc+wb0a6yKpeL0lmk2IB1jY5KHPAlTc6T/JRdC/YqxHNwkQ==",
+      "dev": true,
+      "funding": [
+        "https://github.com/sponsors/sxzz",
+        "https://opencollective.com/debug"
+      ],
+      "license": "MIT"
+    },
     "node_modules/on-finished": {
       "version": "2.4.1",
       "license": "MIT",
@@ -22627,7 +22638,9 @@
       }
     },
     "node_modules/std-env": {
-      "version": "3.9.0",
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.10.0.tgz",
+      "integrity": "sha512-5GS12FdOZNliM5mAOxFRg7Ir0pWz8MdpYm6AY6VPkGpbA7ZzmbzNcBJQ0GPvvyWgcY7QAhCgf9Uy89I03faLkg==",
       "dev": true,
       "license": "MIT"
     },
@@ -23821,9 +23834,14 @@
       "license": "MIT"
     },
     "node_modules/tinyexec": {
-      "version": "0.3.2",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz",
+      "integrity": "sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
     },
     "node_modules/tinyglobby": {
       "version": "0.2.15",
@@ -25424,28 +25442,28 @@
       }
     },
     "node_modules/vitest": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.3.tgz",
-      "integrity": "sha512-IUSop8jgaT7w0g1yOM/35qVtKjr/8Va4PrjzH1OUb0YH4c3OXB2lCZDkMAB6glA8T5w8S164oJGsbcmAecr4sA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.0.15.tgz",
+      "integrity": "sha512-n1RxDp8UJm6N0IbJLQo+yzLZ2sQCDyl1o0LeugbPWf8+8Fttp29GghsQBjYJVmWq3gBFfe9Hs1spR44vovn2wA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/expect": "4.0.3",
-        "@vitest/mocker": "4.0.3",
-        "@vitest/pretty-format": "4.0.3",
-        "@vitest/runner": "4.0.3",
-        "@vitest/snapshot": "4.0.3",
-        "@vitest/spy": "4.0.3",
-        "@vitest/utils": "4.0.3",
-        "debug": "^4.4.3",
+        "@vitest/expect": "4.0.15",
+        "@vitest/mocker": "4.0.15",
+        "@vitest/pretty-format": "4.0.15",
+        "@vitest/runner": "4.0.15",
+        "@vitest/snapshot": "4.0.15",
+        "@vitest/spy": "4.0.15",
+        "@vitest/utils": "4.0.15",
         "es-module-lexer": "^1.7.0",
         "expect-type": "^1.2.2",
-        "magic-string": "^0.30.19",
+        "magic-string": "^0.30.21",
+        "obug": "^2.1.1",
         "pathe": "^2.0.3",
         "picomatch": "^4.0.3",
-        "std-env": "^3.9.0",
+        "std-env": "^3.10.0",
         "tinybench": "^2.9.0",
-        "tinyexec": "^0.3.2",
+        "tinyexec": "^1.0.2",
         "tinyglobby": "^0.2.15",
         "tinyrainbow": "^3.0.3",
         "vite": "^6.0.0 || ^7.0.0",
@@ -25462,12 +25480,12 @@
       },
       "peerDependencies": {
         "@edge-runtime/vm": "*",
-        "@types/debug": "^4.1.12",
+        "@opentelemetry/api": "^1.9.0",
         "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
-        "@vitest/browser-playwright": "4.0.3",
-        "@vitest/browser-preview": "4.0.3",
-        "@vitest/browser-webdriverio": "4.0.3",
-        "@vitest/ui": "4.0.3",
+        "@vitest/browser-playwright": "4.0.15",
+        "@vitest/browser-preview": "4.0.15",
+        "@vitest/browser-webdriverio": "4.0.15",
+        "@vitest/ui": "4.0.15",
         "happy-dom": "*",
         "jsdom": "*"
       },
@@ -25475,7 +25493,7 @@
         "@edge-runtime/vm": {
           "optional": true
         },
-        "@types/debug": {
+        "@opentelemetry/api": {
           "optional": true
         },
         "@types/node": {
@@ -25502,17 +25520,17 @@
       }
     },
     "node_modules/vitest/node_modules/@vitest/expect": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.0.3.tgz",
-      "integrity": "sha512-v3eSDx/bF25pzar6aEJrrdTXJduEBU3uSGXHslIdGIpJVP8tQQHV6x1ZfzbFQ/bLIomLSbR/2ZCfnaEGkWkiVQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.0.15.tgz",
+      "integrity": "sha512-Gfyva9/GxPAWXIWjyGDli9O+waHDC0Q0jaLdFP1qPAUUfo1FEXPXUfUkp3eZA0sSq340vPycSyOlYUeM15Ft1w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@standard-schema/spec": "^1.0.0",
         "@types/chai": "^5.2.2",
-        "@vitest/spy": "4.0.3",
-        "@vitest/utils": "4.0.3",
-        "chai": "^6.0.1",
+        "@vitest/spy": "4.0.15",
+        "@vitest/utils": "4.0.15",
+        "chai": "^6.2.1",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -25520,15 +25538,15 @@
       }
     },
     "node_modules/vitest/node_modules/@vitest/mocker": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.3.tgz",
-      "integrity": "sha512-evZcRspIPbbiJEe748zI2BRu94ThCBE+RkjCpVF8yoVYuTV7hMe+4wLF/7K86r8GwJHSmAPnPbZhpXWWrg1qbA==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.0.15.tgz",
+      "integrity": "sha512-CZ28GLfOEIFkvCFngN8Sfx5h+Se0zN+h4B7yOsPVCcgtiO7t5jt9xQh2E1UkFep+eb9fjyMfuC5gBypwb07fvQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.0.3",
+        "@vitest/spy": "4.0.15",
         "estree-walker": "^3.0.3",
-        "magic-string": "^0.30.19"
+        "magic-string": "^0.30.21"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -25547,9 +25565,9 @@
       }
     },
     "node_modules/vitest/node_modules/@vitest/pretty-format": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.3.tgz",
-      "integrity": "sha512-N7gly/DRXzxa9w9sbDXwD9QNFYP2hw90LLLGDobPNwiWgyW95GMxsCt29/COIKKh3P7XJICR38PSDePenMBtsw==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.0.15.tgz",
+      "integrity": "sha512-SWdqR8vEv83WtZcrfLNqlqeQXlQLh2iilO1Wk1gv4eiHKjEzvgHb2OVc3mIPyhZE6F+CtfYjNlDJwP5MN6Km7A==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -25560,9 +25578,9 @@
       }
     },
     "node_modules/vitest/node_modules/@vitest/spy": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.3.tgz",
-      "integrity": "sha512-82vVL8Cqz7rbXaNUl35V2G7xeNMAjBdNOVaHbrzznT9BmiCiPOzhf0FhU3eP41nP1bLDm/5wWKZqkG4nyU95DQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.0.15.tgz",
+      "integrity": "sha512-+EIjOJmnY6mIfdXtE/bnozKEvTC4Uczg19yeZ2vtCz5Yyb0QQ31QWVQ8hswJ3Ysx/K2EqaNsVanjr//2+P3FHw==",
       "dev": true,
       "license": "MIT",
       "funding": {
@@ -25570,13 +25588,13 @@
       }
     },
     "node_modules/vitest/node_modules/@vitest/utils": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.3.tgz",
-      "integrity": "sha512-qV6KJkq8W3piW6MDIbGOmn1xhvcW4DuA07alqaQ+vdx7YA49J85pnwnxigZVQFQw3tWnQNRKWwhz5wbP6iv/GQ==",
+      "version": "4.0.15",
+      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.0.15.tgz",
+      "integrity": "sha512-HXjPW2w5dxhTD0dLwtYHDnelK3j8sR8cWIaLxr22evTyY6q8pRCjZSmhRWVjBaOVXChQd6AwMzi9pucorXCPZA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/pretty-format": "4.0.3",
+        "@vitest/pretty-format": "4.0.15",
         "tinyrainbow": "^3.0.3"
       },
       "funding": {
@@ -25584,9 +25602,9 @@
       }
     },
     "node_modules/vitest/node_modules/chai": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.0.tgz",
-      "integrity": "sha512-aUTnJc/JipRzJrNADXVvpVqi6CO0dn3nx4EVPxijri+fj3LUUDyZQOgVeW54Ob3Y1Xh9Iz8f+CgaCl8v0mn9bA==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-6.2.1.tgz",
+      "integrity": "sha512-p4Z49OGG5W/WBCPSS/dH3jQ73kD6tiMmUM+bckNK6Jr5JHMG3k9bg/BvKR8lKmtVBKmOiuVaV2ws8s9oSbwysg==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -26327,7 +26345,7 @@
     },
     "packages/react": {
       "name": "@primer/react",
-      "version": "38.4.0",
+      "version": "38.5.0",
       "license": "MIT",
       "dependencies": {
         "@github/mini-throttle": "^2.1.1",
diff --git a/package.json b/package.json
index 54b0d363454..09e7f03bd14 100644
--- a/package.json
+++ b/package.json
@@ -60,9 +60,9 @@
     "@primer/stylelint-config": "13.4.1",
     "@size-limit/preset-big-lib": "11.2.0",
     "@types/semver": "^7.7.1",
-    "@vitest/browser": "^4.0.3",
-    "@vitest/browser-playwright": "^4.0.3",
-    "@vitest/eslint-plugin": "^1.3.24",
+    "@vitest/browser": "^4.0.15",
+    "@vitest/browser-playwright": "^4.0.15",
+    "@vitest/eslint-plugin": "^1.5.2",
     "babel-plugin-react-compiler": "^1.0.0",
     "change-case": "^5.4.4",
     "eslint": "^9.39.1",
@@ -91,7 +91,7 @@
     "turbo": "^2.5.5",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.40.0",
-    "vitest": "^4.0.3"
+    "vitest": "^4.0.15"
   },
   "optionalDependencies": {
     "@rollup/rollup-linux-x64-gnu": "^4.53.3"
diff --git a/packages/react/src/Heading/__tests__/Heading.test.tsx b/packages/react/src/Heading/__tests__/Heading.test.tsx
index 573bc2405e9..15aa5cb2663 100644
--- a/packages/react/src/Heading/__tests__/Heading.test.tsx
+++ b/packages/react/src/Heading/__tests__/Heading.test.tsx
@@ -25,7 +25,7 @@ describe('Heading', () => {
   })
 
   // How can we test for generated class names?
-  it.skip('should only include css modules class', () => {
+  it.todo('should only include css modules class', () => {
     render(<Heading>test</Heading>)
     expect(screen.getByText('test')).toHaveClass('prc-Heading-Heading-6CmGO')
     // Note: this is the generated class name when CSS modules is used
diff --git a/packages/react/src/Overlay/Overlay.test.tsx b/packages/react/src/Overlay/Overlay.test.tsx
index 8de120215dd..b3a9ebf805b 100644
--- a/packages/react/src/Overlay/Overlay.test.tsx
+++ b/packages/react/src/Overlay/Overlay.test.tsx
@@ -202,7 +202,7 @@ describe('Overlay', () => {
     spy.mockRestore()
   })
 
-  it.skip('should right align when given `right: 0` and `position: fixed`', async () => {
+  it.todo('should right align when given `right: 0` and `position: fixed`', async () => {
     const spy = vi.spyOn(console, 'log').mockImplementation(message => {
       if (!message.startsWith('global handler')) {
         throw new Error(
@@ -228,7 +228,7 @@ describe('Overlay', () => {
     spy.mockRestore()
   })
 
-  it.skip('should left align when not given position and left props', async () => {
+  it.todo('should left align when not given position and left props', async () => {
     const spy = vi.spyOn(console, 'log').mockImplementation(message => {
       if (!message.startsWith('global handler')) {
         throw new Error(
@@ -293,7 +293,7 @@ describe('Overlay', () => {
     expect(container.queryByLabelText('Change issue title')).not.toBeInTheDocument()
   })
 
-  it.skip('memex repro: should not leak overlay events to the document', async () => {
+  it.todo('memex repro: should not leak overlay events to the document', async () => {
     const user = userEvent.setup()
     const mockHandler = vi.fn()
     const BugRepro1802 = () => {
diff --git a/packages/react/src/PageLayout/PageLayout.test.tsx b/packages/react/src/PageLayout/PageLayout.test.tsx
index 8220f425c4e..36a0d6098de 100644
--- a/packages/react/src/PageLayout/PageLayout.test.tsx
+++ b/packages/react/src/PageLayout/PageLayout.test.tsx
@@ -61,7 +61,7 @@ describe('PageLayout', async () => {
   })
 
   // The test suite can't compute styles so skipping
-  it.skip('can hide pane when narrow', () => {
+  it.todo('can hide pane when narrow', () => {
     // Set narrow viewport
     act(() => {
       window.matchMedia(viewportRanges.narrow)
@@ -80,7 +80,7 @@ describe('PageLayout', async () => {
   })
 
   // The test suite can't compute styles so skipping
-  it.skip('shows all subcomponents by default', () => {
+  it.todo('shows all subcomponents by default', () => {
     // Set regular viewport
     act(() => {
       matchMedia(viewportRanges.regular)
diff --git a/packages/react/src/PageLayout/__snapshots__/PageLayout.test.tsx.snap b/packages/react/src/PageLayout/__snapshots__/PageLayout.test.tsx.snap
index 5ac82e6ca02..0f60be9ba4a 100644
--- a/packages/react/src/PageLayout/__snapshots__/PageLayout.test.tsx.snap
+++ b/packages/react/src/PageLayout/__snapshots__/PageLayout.test.tsx.snap
@@ -373,91 +373,3 @@ exports[`PageLayout > renders with dividers 1`] = `
   </div>
 </div>
 `;
-
-exports[`PageLayout renders pane in different position when narrow 1`] = `
-<div>
-  <div
-    class="PageLayoutRoot"
-    style="--spacing: var(--spacing-normal);"
-  >
-    <div
-      class="PageLayoutWrapper"
-      data-width="xlarge"
-    >
-      <header
-        class="Header"
-        style="--spacing: var(--spacing-normal);"
-      >
-        <div
-          class="HeaderContent"
-          style="--spacing: var(--spacing-none);"
-        >
-          Header
-        </div>
-        <div
-          class="HorizontalDivider HeaderHorizontalDivider"
-          data-variant="none"
-          style="--spacing-divider: var(--spacing-normal); --spacing: var(--spacing-normal);"
-        />
-      </header>
-      <div
-        class="PageLayoutContent"
-      >
-        <main
-          class="ContentWrapper"
-          data-is-hidden="false"
-        >
-          <div
-            class="Content"
-            data-width="full"
-            style="--spacing: var(--spacing-none);"
-          >
-            Content
-          </div>
-        </main>
-        <div
-          class="PaneWrapper"
-          data-is-hidden="false"
-          data-position="end"
-          style="--offset-header: 0px; --spacing-row: var(--spacing-normal); --spacing-column: var(--spacing-normal);"
-        >
-          <div
-            class="HorizontalDivider PaneHorizontalDivider"
-            data-position="end"
-            data-variant="none"
-            style="--spacing-divider: var(--spacing-normal); --spacing: var(--spacing-normal);"
-          />
-          <div
-            class="Pane"
-            style="--spacing: var(--spacing-none); --pane-min-width: 256px; --pane-max-width: calc(100vw - var(--pane-max-width-diff)); --pane-width-size: var(--pane-width-medium); --pane-width: 296px;"
-          >
-            Pane
-          </div>
-          <div
-            class="VerticalDivider PaneVerticalDivider"
-            data-position="end"
-            data-variant="none"
-            style="--spacing: var(--spacing-normal);"
-          />
-        </div>
-      </div>
-      <footer
-        class="FooterWrapper"
-        style="--spacing: var(--spacing-normal);"
-      >
-        <div
-          class="HorizontalDivider FooterHorizontalDivider"
-          data-variant="none"
-          style="--spacing-divider: var(--spacing-normal); --spacing: var(--spacing-normal);"
-        />
-        <div
-          class="FooterContent"
-          style="--spacing: var(--spacing-none);"
-        >
-          Footer
-        </div>
-      </footer>
-    </div>
-  </div>
-</div>
-`;
diff --git a/packages/react/src/Stack/__tests__/Stack.test.tsx b/packages/react/src/Stack/__tests__/Stack.test.tsx
index 2ea7b651e11..2c0dbb59473 100644
--- a/packages/react/src/Stack/__tests__/Stack.test.tsx
+++ b/packages/react/src/Stack/__tests__/Stack.test.tsx
@@ -102,7 +102,7 @@ describe('Stack', () => {
 
   describe('gap', () => {
     // Fix when we have a better way to test this
-    it.skip('should set the default gap to `normal`', () => {
+    it.todo('should set the default gap to `normal`', () => {
       render(<Stack data-testid="stack" />)
       expect(screen.getByTestId('stack')).toHaveStyle('gap: var(--stack-gap,var(--stack-gap-normal,1rem));')
     })
diff --git a/packages/react/src/__tests__/BaseStyles.test.tsx b/packages/react/src/__tests__/BaseStyles.test.tsx
index 43ccd4d9077..4bfb723d617 100644
--- a/packages/react/src/__tests__/BaseStyles.test.tsx
+++ b/packages/react/src/__tests__/BaseStyles.test.tsx
@@ -8,7 +8,7 @@ describe('BaseStyles', () => {
     expect(container).toMatchSnapshot()
   })
 
-  it.skip('respects styling props', () => {
+  it.todo('respects styling props', () => {
     const styles = {
       color: '#f00',
       fontFamily: 'Arial',
diff --git a/packages/react/src/__tests__/ThemeProvider.test.tsx b/packages/react/src/__tests__/ThemeProvider.test.tsx
index ce023877820..6c008559c74 100644
--- a/packages/react/src/__tests__/ThemeProvider.test.tsx
+++ b/packages/react/src/__tests__/ThemeProvider.test.tsx
@@ -70,7 +70,7 @@ it('works in auto mode', () => {
 })
 
 // TODO: need to wire up a prefers color scheme mock, vitest-matchmedia-mock?
-it.skip('works in auto mode (dark)', () => {
+it.todo('works in auto mode (dark)', () => {
   const matchMediaSpy = vi.spyOn(window, 'matchMedia').mockImplementation(query => ({
     matches: true, // enable dark mode
     media: query,