diff --git a/server/package.json b/server/package.json
index 75a86d2a2..f0a664381 100644
--- a/server/package.json
+++ b/server/package.json
@@ -82,7 +82,7 @@
 		"rimraf": "3.0.2",
 		"safe-json-stringify": "1.2.0",
 		"seq-logging": "^1.1.1",
-		"tachi-common": "0.3.1",
+		"tachi-common": "0.3.2",
 		"ts-node": "10.0.0",
 		"typescript": "4.3.4",
 		"winston": "3.3.3",
diff --git a/server/pnpm-lock.yaml b/server/pnpm-lock.yaml
index ec4bec25d..8b6fd2b6e 100644
--- a/server/pnpm-lock.yaml
+++ b/server/pnpm-lock.yaml
@@ -63,7 +63,7 @@ specifiers:
   safe-json-stringify: 1.2.0
   seq-logging: ^1.1.1
   supertest: 6.1.3
-  tachi-common: 0.3.1
+  tachi-common: 0.3.2
   tap: 15.0.9
   ts-node: 10.0.0
   tsconfig-paths: 3.10.1
@@ -108,7 +108,7 @@ dependencies:
   rimraf: 3.0.2
   safe-json-stringify: 1.2.0
   seq-logging: 1.1.1
-  tachi-common: 0.3.1
+  tachi-common: 0.3.2
   ts-node: 10.0.0_83f53b0a0c5616d3fa00ed4e30b9ce1b
   typescript: 4.3.4
   winston: 3.3.3
@@ -4960,8 +4960,8 @@ packages:
       strip-ansi: 6.0.0
     dev: true
 
-  /tachi-common/0.3.1:
-    resolution: {integrity: sha512-MzBOFG0TVEkKkCOyCKx4i4dqlVHhItM1GBx+93RaHdT2Kvu+NJHejVfeel/+1nP1uczZ6CPzzo8pcePBI8pTRA==}
+  /tachi-common/0.3.2:
+    resolution: {integrity: sha512-fX1ffleAJlP6WtjnGxVDfLsz7PQDArIFCMcvOjLB0+PwJ5FwhAO/8CX2B8ksYGuzp8PGWLxQGsPahwN9HV7YVQ==}
     dependencies:
       monk: 7.3.4
     transitivePeerDependencies:
diff --git a/server/src/external/mongo/schemas.ts b/server/src/external/mongo/schemas.ts
index 712565c53..ab993596a 100644
--- a/server/src/external/mongo/schemas.ts
+++ b/server/src/external/mongo/schemas.ts
@@ -521,6 +521,7 @@ export const DatabaseSchemas: Record<Databases, ValidatorFunction> = {
 		preferences: {
 			invisible: "boolean",
 			developerMode: "boolean",
+			advancedMode: "boolean",
 			contentiousContent: "boolean",
 		},
 	}),
diff --git a/server/src/server/router/api/v1/auth/auth.ts b/server/src/server/router/api/v1/auth/auth.ts
index bacdffff5..ea1dd9889 100644
--- a/server/src/server/router/api/v1/auth/auth.ts
+++ b/server/src/server/router/api/v1/auth/auth.ts
@@ -78,6 +78,7 @@ export async function AddNewInvite(user: PublicUserDocument) {
 
 export const DEFAULT_USER_SETTINGS: UserSettings["preferences"] = {
 	developerMode: false,
+	advancedMode: false,
 	invisible: false,
 	contentiousContent: false,
 };
diff --git a/server/src/server/router/api/v1/users/_userID/settings/router.test.ts b/server/src/server/router/api/v1/users/_userID/settings/router.test.ts
index a7981f92b..1d1a0ccae 100644
--- a/server/src/server/router/api/v1/users/_userID/settings/router.test.ts
+++ b/server/src/server/router/api/v1/users/_userID/settings/router.test.ts
@@ -17,6 +17,8 @@ t.test("GET /api/v1/users/:userID/settings", (t) => {
 			preferences: {
 				invisible: false,
 				developerMode: true,
+				advancedMode: false,
+				contentiousContent: false,
 			},
 		});
 
@@ -42,6 +44,8 @@ t.test("PATCH /api/v1/users/:userID/settings", async (t) => {
 			preferences: {
 				invisible: true,
 				developerMode: false,
+				advancedMode: false,
+				contentiousContent: false,
 			},
 		});
 
@@ -52,6 +56,8 @@ t.test("PATCH /api/v1/users/:userID/settings", async (t) => {
 			preferences: {
 				invisible: true,
 				developerMode: false,
+				advancedMode: false,
+				contentiousContent: false,
 			},
 		});
 
@@ -72,6 +78,8 @@ t.test("PATCH /api/v1/users/:userID/settings", async (t) => {
 				preferences: {
 					invisible: false,
 					developerMode: true,
+					advancedMode: false,
+					contentiousContent: false,
 				},
 			},
 			"User Settings should be unmodified."
diff --git a/server/src/server/router/api/v1/users/_userID/settings/router.ts b/server/src/server/router/api/v1/users/_userID/settings/router.ts
index 78e2ac51b..f33393b6c 100644
--- a/server/src/server/router/api/v1/users/_userID/settings/router.ts
+++ b/server/src/server/router/api/v1/users/_userID/settings/router.ts
@@ -42,6 +42,8 @@ router.get("/", async (req, res) => {
  *
  * @param invisible - Whether to set the user to invisible or not.
  * @param developerMode - Whether to display developer specific information in the WebUI.
+ * @param advancedMode - Whether to display more advanced options in the WebUI.
+ * @param contentiousContent - Whether to display slightly inappropriate splash messages.
  *
  * @name PATCH /api/v1/users/:userID/settings
  */
@@ -52,6 +54,7 @@ router.patch(
 		invisible: "*boolean",
 		developerMode: "*boolean",
 		contentiousContent: "*boolean",
+		advancedMode: "*boolean",
 	}),
 	async (req, res) => {
 		const user = req[SYMBOL_TachiData]!.requestedUser!;
@@ -60,6 +63,7 @@ router.patch(
 			invisible: req.body.invisible,
 			developerMode: req.body.developerMode,
 			contentiousContent: req.body.contentiousContent,
+			advancedMode: req.body.advancedMode,
 		};
 
 		DeleteUndefinedProps(preferences);
diff --git a/server/src/test-utils/mock-db/user-settings.json b/server/src/test-utils/mock-db/user-settings.json
index 69e57218b..374504e92 100644
--- a/server/src/test-utils/mock-db/user-settings.json
+++ b/server/src/test-utils/mock-db/user-settings.json
@@ -1,9 +1,11 @@
 [
-    {
-        "userID": 1,
-        "preferences": {
-            "developerMode": true,
-            "invisible": false
-        }
-    }
+	{
+		"userID": 1,
+		"preferences": {
+			"developerMode": true,
+			"invisible": false,
+			"advancedMode": false,
+			"contentiousContent": false
+		}
+	}
 ]
\ No newline at end of file