diff --git a/biome.json b/biome.json
index 9dc190833..cc5454160 100644
--- a/biome.json
+++ b/biome.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.0.6/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.2.4/schema.json",
   "assist": { "actions": { "source": { "organizeImports": "on" } } },
   "vcs": {
     "enabled": true,
@@ -32,6 +32,12 @@
     "enabled": true,
     "rules": {
       "recommended": true,
+      "complexity": {
+        "noImportantStyles": "off"
+      },
+      "suspicious": {
+        "noUnknownAtRules": "off"
+      },
       "correctness": {
         "noUnusedImports": "warn",
         "noUnusedVariables": "warn"
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index cae710f08..d420fac87 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -29,7 +29,7 @@
         "vaul": "^1.1.2"
       },
       "devDependencies": {
-        "@biomejs/biome": "^2.1.2",
+        "@biomejs/biome": "^2.2.4",
         "@browser-logos/chrome": "^2.0.0",
         "@browser-logos/firefox": "^3.0.10",
         "@browser-logos/safari": "^2.1.0",
@@ -1114,9 +1114,9 @@
       }
     },
     "node_modules/@biomejs/biome": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/biome/-/biome-2.1.2.tgz",
-      "integrity": "sha512-yq8ZZuKuBVDgAS76LWCfFKHSYIAgqkxVB3mGVVpOe2vSkUTs7xG46zXZeNPRNVjiJuw0SZ3+J2rXiYx0RUpfGg==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/biome/-/biome-2.2.4.tgz",
+      "integrity": "sha512-TBHU5bUy/Ok6m8c0y3pZiuO/BZoY/OcGxoLlrfQof5s8ISVwbVBdFINPQZyFfKwil8XibYWb7JMwnT8wT4WVPg==",
       "dev": true,
       "license": "MIT OR Apache-2.0",
       "bin": {
@@ -1130,20 +1130,20 @@
         "url": "https://opencollective.com/biome"
       },
       "optionalDependencies": {
-        "@biomejs/cli-darwin-arm64": "2.1.2",
-        "@biomejs/cli-darwin-x64": "2.1.2",
-        "@biomejs/cli-linux-arm64": "2.1.2",
-        "@biomejs/cli-linux-arm64-musl": "2.1.2",
-        "@biomejs/cli-linux-x64": "2.1.2",
-        "@biomejs/cli-linux-x64-musl": "2.1.2",
-        "@biomejs/cli-win32-arm64": "2.1.2",
-        "@biomejs/cli-win32-x64": "2.1.2"
+        "@biomejs/cli-darwin-arm64": "2.2.4",
+        "@biomejs/cli-darwin-x64": "2.2.4",
+        "@biomejs/cli-linux-arm64": "2.2.4",
+        "@biomejs/cli-linux-arm64-musl": "2.2.4",
+        "@biomejs/cli-linux-x64": "2.2.4",
+        "@biomejs/cli-linux-x64-musl": "2.2.4",
+        "@biomejs/cli-win32-arm64": "2.2.4",
+        "@biomejs/cli-win32-x64": "2.2.4"
       }
     },
     "node_modules/@biomejs/cli-darwin-arm64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-arm64/-/cli-darwin-arm64-2.1.2.tgz",
-      "integrity": "sha512-leFAks64PEIjc7MY/cLjE8u5OcfBKkcDB0szxsWUB4aDfemBep1WVKt0qrEyqZBOW8LPHzrFMyDl3FhuuA0E7g==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-arm64/-/cli-darwin-arm64-2.2.4.tgz",
+      "integrity": "sha512-RJe2uiyaloN4hne4d2+qVj3d3gFJFbmrr5PYtkkjei1O9c+BjGXgpUPVbi8Pl8syumhzJjFsSIYkcLt2VlVLMA==",
       "cpu": [
         "arm64"
       ],
@@ -1158,9 +1158,9 @@
       }
     },
     "node_modules/@biomejs/cli-darwin-x64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-2.1.2.tgz",
-      "integrity": "sha512-Nmmv7wRX5Nj7lGmz0FjnWdflJg4zii8Ivruas6PBKzw5SJX/q+Zh2RfnO+bBnuKLXpj8kiI2x2X12otpH6a32A==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-2.2.4.tgz",
+      "integrity": "sha512-cFsdB4ePanVWfTnPVaUX+yr8qV8ifxjBKMkZwN7gKb20qXPxd/PmwqUH8mY5wnM9+U0QwM76CxFyBRJhC9tQwg==",
       "cpu": [
         "x64"
       ],
@@ -1175,9 +1175,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-arm64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64/-/cli-linux-arm64-2.1.2.tgz",
-      "integrity": "sha512-NWNy2Diocav61HZiv2enTQykbPP/KrA/baS7JsLSojC7Xxh2nl9IczuvE5UID7+ksRy2e7yH7klm/WkA72G1dw==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64/-/cli-linux-arm64-2.2.4.tgz",
+      "integrity": "sha512-M/Iz48p4NAzMXOuH+tsn5BvG/Jb07KOMTdSVwJpicmhN309BeEyRyQX+n1XDF0JVSlu28+hiTQ2L4rZPvu7nMw==",
       "cpu": [
         "arm64"
       ],
@@ -1192,9 +1192,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-arm64-musl": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64-musl/-/cli-linux-arm64-musl-2.1.2.tgz",
-      "integrity": "sha512-qgHvafhjH7Oca114FdOScmIKf1DlXT1LqbOrrbR30kQDLFPEOpBG0uzx6MhmsrmhGiCFCr2obDamu+czk+X0HQ==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64-musl/-/cli-linux-arm64-musl-2.2.4.tgz",
+      "integrity": "sha512-7TNPkMQEWfjvJDaZRSkDCPT/2r5ESFPKx+TEev+I2BXDGIjfCZk2+b88FOhnJNHtksbOZv8ZWnxrA5gyTYhSsQ==",
       "cpu": [
         "arm64"
       ],
@@ -1209,9 +1209,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-x64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-2.1.2.tgz",
-      "integrity": "sha512-Km/UYeVowygTjpX6sGBzlizjakLoMQkxWbruVZSNE6osuSI63i4uCeIL+6q2AJlD3dxoiBJX70dn1enjQnQqwA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-2.2.4.tgz",
+      "integrity": "sha512-orr3nnf2Dpb2ssl6aihQtvcKtLySLta4E2UcXdp7+RTa7mfJjBgIsbS0B9GC8gVu0hjOu021aU8b3/I1tn+pVQ==",
       "cpu": [
         "x64"
       ],
@@ -1226,9 +1226,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-x64-musl": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-2.1.2.tgz",
-      "integrity": "sha512-xlB3mU14ZUa3wzLtXfmk2IMOGL+S0aHFhSix/nssWS/2XlD27q+S6f0dlQ8WOCbYoXcuz8BCM7rCn2lxdTrlQA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-2.2.4.tgz",
+      "integrity": "sha512-m41nFDS0ksXK2gwXL6W6yZTYPMH0LughqbsxInSKetoH6morVj43szqKx79Iudkp8WRT5SxSh7qVb8KCUiewGg==",
       "cpu": [
         "x64"
       ],
@@ -1243,9 +1243,9 @@
       }
     },
     "node_modules/@biomejs/cli-win32-arm64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-2.1.2.tgz",
-      "integrity": "sha512-G8KWZli5ASOXA3yUQgx+M4pZRv3ND16h77UsdunUL17uYpcL/UC7RkWTdkfvMQvogVsAuz5JUcBDjgZHXxlKoA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-2.2.4.tgz",
+      "integrity": "sha512-NXnfTeKHDFUWfxAefa57DiGmu9VyKi0cDqFpdI+1hJWQjGJhJutHPX0b5m+eXvTKOaf+brU+P0JrQAZMb5yYaQ==",
       "cpu": [
         "arm64"
       ],
@@ -1260,9 +1260,9 @@
       }
     },
     "node_modules/@biomejs/cli-win32-x64": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-x64/-/cli-win32-x64-2.1.2.tgz",
-      "integrity": "sha512-9zajnk59PMpjBkty3bK2IrjUsUHvqe9HWwyAWQBjGLE7MIBjbX2vwv1XPEhmO2RRuGoTkVx3WCanHrjAytICLA==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-x64/-/cli-win32-x64-2.2.4.tgz",
+      "integrity": "sha512-3Y4V4zVRarVh/B/eSHczR4LYoSVyv3Dfuvm3cWs5w/HScccS0+Wt/lHOcDTRYeHjQmMYVC3rIRWqyN2EI52+zg==",
       "cpu": [
         "x64"
       ],
diff --git a/frontend/package.json b/frontend/package.json
index 6a5d40c66..12b38c51a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -39,7 +39,7 @@
     "vaul": "^1.1.2"
   },
   "devDependencies": {
-    "@biomejs/biome": "^2.1.2",
+    "@biomejs/biome": "^2.2.4",
     "@browser-logos/chrome": "^2.0.0",
     "@browser-logos/firefox": "^3.0.10",
     "@browser-logos/safari": "^2.1.0",
diff --git a/frontend/src/components/Separator/Separator.tsx b/frontend/src/components/Separator/Separator.tsx
index 886c63040..a0472231e 100644
--- a/frontend/src/components/Separator/Separator.tsx
+++ b/frontend/src/components/Separator/Separator.tsx
@@ -5,6 +5,7 @@
 
 // biome-ignore-all lint/a11y/useFocusableInteractive: this is a false positive
 // biome-ignore-all lint/a11y/useAriaPropsForRole: this is a false positive
+// biome-ignore-all lint/a11y/useSemanticElements: I don't want to use an <hr />
 
 import cx from "classnames";
 import { forwardRef } from "react";
diff --git a/frontend/src/routes/_account.sessions.index.tsx b/frontend/src/routes/_account.sessions.index.tsx
index e7f930a57..5e9085d75 100644
--- a/frontend/src/routes/_account.sessions.index.tsx
+++ b/frontend/src/routes/_account.sessions.index.tsx
@@ -179,7 +179,7 @@ function Sessions(): React.ReactElement {
               <CompatSession key={session.cursor} session={session.node} />
             );
           default:
-            unknownSessionType(type);
+            return unknownSessionType(type);
         }
       })}