diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3b61e273..49c44291f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,26 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [1.65.0](https://github.com/rudderlabs/rudder-config-schema/compare/v1.64.2...v1.65.0) (2024-02-20)
+
+
+### Features
+
+* add connectionMode for all sourceTypes in dest def for selected destinations ([#1197](https://github.com/rudderlabs/rudder-config-schema/issues/1197)) ([dde686c](https://github.com/rudderlabs/rudder-config-schema/commit/dde686cc72e0ac7423487d566e8f9715cc43d24f))
+* add GCM to FB Pixel, GA, GMT, HobSpot, Redis, S3, Slack, VWO ([#1190](https://github.com/rudderlabs/rudder-config-schema/issues/1190)) ([f40d5cd](https://github.com/rudderlabs/rudder-config-schema/commit/f40d5cda403e39e149f132dc1ffc2d1efa50a186))
+* enabled sql model support for mysql ([#1222](https://github.com/rudderlabs/rudder-config-schema/issues/1222)) ([09bbe2a](https://github.com/rudderlabs/rudder-config-schema/commit/09bbe2a5d1f81c26dec71582fbb7069550e7c7af))
+* improve schema generator output ([#1191](https://github.com/rudderlabs/rudder-config-schema/issues/1191)) ([04e05b8](https://github.com/rudderlabs/rudder-config-schema/commit/04e05b89a7333291792fbb6e111388b5ff8b985f))
+* onboard new destination commandbar ([#1196](https://github.com/rudderlabs/rudder-config-schema/issues/1196)) ([daf9fa8](https://github.com/rudderlabs/rudder-config-schema/commit/daf9fa8256eed280bad04c0c109de3787e6262e0))
+* onboard trade desk real time conversions ([#1213](https://github.com/rudderlabs/rudder-config-schema/issues/1213)) ([0d9b8d7](https://github.com/rudderlabs/rudder-config-schema/commit/0d9b8d7ee45b6ba5c914aaca6c2c11474a7575e9))
+* onboarding bluecore integration ([#1182](https://github.com/rudderlabs/rudder-config-schema/issues/1182)) ([6d5e40f](https://github.com/rudderlabs/rudder-config-schema/commit/6d5e40fdb812aa4c46ea13cbae5f7eb696d0cc0c))
+* tiktok_offline_events added support for  all Standard  events ([#1216](https://github.com/rudderlabs/rudder-config-schema/issues/1216)) ([61d36fa](https://github.com/rudderlabs/rudder-config-schema/commit/61d36fa5db882f00d97dd9dc88b2f26a7d49a87a))
+
+
+### Bug Fixes
+
+* add support of placing properties at root in af ([#1203](https://github.com/rudderlabs/rudder-config-schema/issues/1203)) ([1859354](https://github.com/rudderlabs/rudder-config-schema/commit/185935467899222b8766c63c63b934d70410cc9a))
+* comscore schema ([#1217](https://github.com/rudderlabs/rudder-config-schema/issues/1217)) ([7faa64a](https://github.com/rudderlabs/rudder-config-schema/commit/7faa64acfe2fca20b75789f31b541dd33e7fde8c))
+
 ### [1.64.2](https://github.com/rudderlabs/rudder-config-schema/compare/v1.64.1...v1.64.2) (2024-02-14)
 
 ### [1.64.1](https://github.com/rudderlabs/rudder-config-schema/compare/v1.64.0...v1.64.1) (2024-02-13)
diff --git a/package-lock.json b/package-lock.json
index aa3bd6dd4..7eb48b94d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rudder-config-schema",
-  "version": "1.64.2",
+  "version": "1.65.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rudder-config-schema",
-      "version": "1.64.2",
+      "version": "1.65.0",
       "license": "MIT",
       "dependencies": {
         "ajv": "^8.12.0",
diff --git a/package.json b/package.json
index e2ad16a0d..748c3d52a 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rudder-config-schema",
-  "version": "1.64.2",
+  "version": "1.65.0",
   "description": "",
   "main": "src/index.ts",
   "private": true,
diff --git a/src/configurations/destinations/facebook_pixel/schema.json b/src/configurations/destinations/facebook_pixel/schema.json
index a9edbc8fe..86c64add6 100644
--- a/src/configurations/destinations/facebook_pixel/schema.json
+++ b/src/configurations/destinations/facebook_pixel/schema.json
@@ -1,17 +1,13 @@
 {
   "configSchema": {
     "$schema": "http://json-schema.org/draft-07/schema#",
-    "required": ["pixelId", "accessToken"],
+    "required": ["pixelId"],
     "type": "object",
     "properties": {
       "pixelId": {
         "type": "string",
         "pattern": "(^\\{\\{.*\\|\\|(.*)\\}\\}$)|(^env[.].+)|^(.{1,100})$"
       },
-      "accessToken": {
-        "type": "string",
-        "pattern": "(^\\{\\{.*\\|\\|(.*)\\}\\}$)|(^env[.].+)|^(.{0,300})$"
-      },
       "categoryToContent": {
         "type": "array",
         "items": {
@@ -1000,6 +996,35 @@
           }
         }
       }
-    }
+    },
+    "allOf": [
+      {
+        "if": {
+          "not": {
+            "properties": {
+              "connectionMode": {
+                "type": "object",
+                "properties": {
+                  "web": {
+                    "type": "string",
+                    "enum": ["device"]
+                  }
+                }
+              }
+            },
+            "required": ["connectionMode"]
+          }
+        },
+        "then": {
+          "properties": {
+            "accessToken": {
+              "type": "string",
+              "pattern": "(^\\{\\{.*\\|\\|(.*)\\}\\}$)|(^env[.].+)|^(.{1,300})$"
+            }
+          },
+          "required": ["accessToken"]
+        }
+      }
+    ]
   }
 }
diff --git a/src/configurations/destinations/facebook_pixel/ui-config.json b/src/configurations/destinations/facebook_pixel/ui-config.json
index 689e5b99c..ba3f9f6bf 100644
--- a/src/configurations/destinations/facebook_pixel/ui-config.json
+++ b/src/configurations/destinations/facebook_pixel/ui-config.json
@@ -26,10 +26,18 @@
                     "label": "Business Access Token",
                     "note": "Your Business Access token from your Business Account. Required for cloud-mode.",
                     "configKey": "accessToken",
-                    "regex": "(^\\{\\{.*\\|\\|(.*)\\}\\}$)|(^env[.].+)|^(.{0,300})$",
+                    "regex": "(^\\{\\{.*\\|\\|(.*)\\}\\}$)|(^env[.].+)|^(.{1,300})$",
                     "regexErrorMessage": "Invalid Business Access Token",
                     "placeholder": "e.g: EAALPFdyOVl4BAKEXmVR...",
-                    "secret": true
+                    "secret": true,
+                    "preRequisites": {
+                      "fields": [
+                        {
+                          "configKey": "connectionModes.cloud",
+                          "value": true
+                        }
+                      ]
+                    }
                   }
                 ]
               }
diff --git a/test/data/validation/destinations/facebook_pixel.json b/test/data/validation/destinations/facebook_pixel.json
index 6a27fb26a..28dd1db3a 100644
--- a/test/data/validation/destinations/facebook_pixel.json
+++ b/test/data/validation/destinations/facebook_pixel.json
@@ -393,6 +393,35 @@
     "result": false,
     "err": ["consentManagement.android.0.provider must be equal to one of the allowed values"]
   },
+  {
+    "testTitle": "When connectionMode.web is not defined(no source connected or cloud only source connected), accessToken is required",
+    "config": {
+      "pixelId": "471828257250906"
+    },
+    "result": false,
+    "err": [" must have required property 'accessToken'", " must match \"then\" schema"]
+  },
+  {
+    "testTitle": "When connectionMode.web is cloud mode, accessToken is required",
+    "config": {
+      "pixelId": "471828257250906",
+      "connectionMode": {
+        "web": "cloud"
+      }
+    },
+    "result": false,
+    "err": [" must have required property 'accessToken'", " must match \"then\" schema"]
+  },
+  {
+    "testTitle": "When connectionMode.web is in device mode, accessToken is not required",
+    "config": {
+      "pixelId": "471828257250906",
+      "connectionMode": {
+        "web": "device"
+      }
+    },
+    "result": true
+  },
   {
     "config": {
       "pixelId": "471828257250906",