diff --git a/backend/src/db/migrations/20250414234624_add-project-delete-protection.ts b/backend/src/db/migrations/20250414234624_add-project-delete-protection.ts
index bf5e438e1..f33353e42 100644
--- a/backend/src/db/migrations/20250414234624_add-project-delete-protection.ts
+++ b/backend/src/db/migrations/20250414234624_add-project-delete-protection.ts
@@ -6,7 +6,7 @@ export async function up(knex: Knex): Promise<void> {
   const hasCol = await knex.schema.hasColumn(TableName.Project, "hasDeleteProtection");
   if (!hasCol) {
     await knex.schema.alterTable(TableName.Project, (t) => {
-      t.boolean("hasDeleteProtection").defaultTo(true);
+      t.boolean("hasDeleteProtection").defaultTo(false);
     });
   }
 }
diff --git a/backend/src/services/app-connection/vercel/vercel-connection-fns.ts b/backend/src/services/app-connection/vercel/vercel-connection-fns.ts
index 923730d07..01eac84dc 100644
--- a/backend/src/services/app-connection/vercel/vercel-connection-fns.ts
+++ b/backend/src/services/app-connection/vercel/vercel-connection-fns.ts
@@ -1,5 +1,5 @@
 /* eslint-disable no-await-in-loop */
-import { AxiosError, AxiosResponse } from "axios";
+import { AxiosError } from "axios";
 
 import { request } from "@app/lib/config/request";
 import { BadRequestError, InternalServerError } from "@app/lib/errors";
@@ -27,10 +27,8 @@ export const getVercelConnectionListItem = () => {
 export const validateVercelConnectionCredentials = async (config: TVercelConnectionConfig) => {
   const { credentials: inputCredentials } = config;
 
-  let response: AxiosResponse<VercelApp[]> | null = null;
-
   try {
-    response = await request.get<VercelApp[]>(`${IntegrationUrls.VERCEL_API_URL}/v9/projects`, {
+    await request.get(`${IntegrationUrls.VERCEL_API_URL}/v2/user`, {
       headers: {
         Authorization: `Bearer ${inputCredentials.apiToken}`
       }
@@ -38,17 +36,14 @@ export const validateVercelConnectionCredentials = async (config: TVercelConnect
   } catch (error: unknown) {
     if (error instanceof AxiosError) {
       throw new BadRequestError({
-        message: `Failed to validate credentials: ${error.message || "Unknown error"}`
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+        message: `Failed to validate credentials: ${
+          error.response?.data ? JSON.stringify(error.response?.data) : error.message || "Unknown error"
+        }`
       });
     }
     throw new BadRequestError({
-      message: "Unable to validate connection: verify credentials"
-    });
-  }
-
-  if (!response?.data) {
-    throw new InternalServerError({
-      message: "Failed to get organizations: Response was empty"
+      message: `Unable to validate connection: ${(error as Error).message || "Verify credentials"}`
     });
   }
 
diff --git a/docs/mint.json b/docs/mint.json
index c75e23859..ee07fb048 100644
--- a/docs/mint.json
+++ b/docs/mint.json
@@ -572,7 +572,9 @@
         "sdks/languages/node",
         "sdks/languages/python",
         "sdks/languages/java",
-        "sdks/languages/go"
+        "sdks/languages/go",
+        "sdks/languages/ruby",
+        "sdks/languages/csharp"
       ]
     },
     {
diff --git a/docs/sdks/languages/csharp.mdx b/docs/sdks/languages/csharp.mdx
index 55fcd215c..4cf75a5c6 100644
--- a/docs/sdks/languages/csharp.mdx
+++ b/docs/sdks/languages/csharp.mdx
@@ -1,4 +1,4 @@
-{/* ---
+---
 title: "Infisical .NET SDK"
 sidebarTitle: ".NET"
 icon: "bars"
@@ -9,6 +9,12 @@ If you're working with C#, the official [Infisical C# SDK](https://github.com/In
 - [Nuget Package](https://www.nuget.org/packages/Infisical.Sdk)
 - [Github Repository](https://github.com/Infisical/sdk/tree/main/languages/csharp)
 
+<Warning>
+  **Deprecation Notice**
+
+  All versions prior to **2.3.9** should be considered deprecated and are no longer supported by Infisical. Please update to version **2.3.9** or newer. All changes are fully backwards compatible with older versions.
+</Warning>
+
 ## Basic Usage
 
 ```cs
@@ -584,4 +590,4 @@ var decryptedPlaintext = infisical.DecryptSymmetric(decryptOptions);
 
 #### Returns (string)
 `Plaintext` (string): The decrypted plaintext.
- */}
+
diff --git a/docs/sdks/languages/go.mdx b/docs/sdks/languages/go.mdx
index b5792611d..b12b442a8 100644
--- a/docs/sdks/languages/go.mdx
+++ b/docs/sdks/languages/go.mdx
@@ -28,7 +28,7 @@ func main() {
     AutoTokenRefresh: true, // Wether or not to let the SDK handle the access token lifecycle. Defaults to true if not specified.
 	})
 
-	_, err = client.Auth().UniversalAuthLogin("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET")
+	_, err := client.Auth().UniversalAuthLogin("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET")
 
 	if err != nil {
 		fmt.Printf("Authentication failed: %v", err)
diff --git a/docs/sdks/languages/ruby.mdx b/docs/sdks/languages/ruby.mdx
index 5b0e9668a..b6fe0863a 100644
--- a/docs/sdks/languages/ruby.mdx
+++ b/docs/sdks/languages/ruby.mdx
@@ -1,4 +1,4 @@
-{/* ---
+---
 title: "Infisical Ruby SDK"
 sidebarTitle: "Ruby"
 icon: "diamond"
@@ -6,11 +6,17 @@ icon: "diamond"
 
 
 
-If you're working with Ruby , the official [Infisical Ruby SDK](https://github.com/infisical/sdk) package is the easiest way to fetch and work with secrets for your application.
+If you're working with Ruby, the official [Infisical Ruby SDK](https://github.com/infisical/sdk) package is the easiest way to fetch and work with secrets for your application.
 
 - [Ruby Package](https://rubygems.org/gems/infisical-sdk)
 - [Github Repository](https://github.com/infisical/sdk)
 
+<Warning>
+  **Deprecation Notice**
+
+  All versions prior to **2.3.9** should be considered deprecated and are no longer supported by Infisical. Please update to version **2.3.9** or newer. All changes are fully backwards compatible with older versions.
+</Warning>
+
 ## Basic Usage
 
 ```ruby
@@ -433,4 +439,4 @@ decrypted_data = infisical.cryptography.decrypt_symmetric(
 </ParamField>
 
 #### Returns (string)
-`Plaintext` (string): The decrypted plaintext. */}
\ No newline at end of file
+`Plaintext` (string): The decrypted plaintext.
\ No newline at end of file