diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b47af2d5c..81a51f28a4 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.
 
+### [1.71.1](https://github.com/rudderlabs/rudder-transformer/compare/v1.71.0...v1.71.1) (2024-07-10)
+
+
+### Bug Fixes
+
+* ga4 v2 userproperties ([#3544](https://github.com/rudderlabs/rudder-transformer/issues/3544)) ([bc7b886](https://github.com/rudderlabs/rudder-transformer/commit/bc7b886fd314f35b5b5573989d8f094b7ba0321f))
+* tiktok: remove default value for content type for all events ([#3545](https://github.com/rudderlabs/rudder-transformer/issues/3545)) ([0ca08c3](https://github.com/rudderlabs/rudder-transformer/commit/0ca08c3fe8e4d53f92ce16eccd1f60224e1f1409))
+
+## [1.71.0](https://github.com/rudderlabs/rudder-transformer/compare/v1.70.1...v1.71.0) (2024-07-08)
+
+
+### Features
+
+* onboard new custom destination: wunderkind ([#3456](https://github.com/rudderlabs/rudder-transformer/issues/3456)) ([7f49a01](https://github.com/rudderlabs/rudder-transformer/commit/7f49a01b04322a38c5f96199d21097a9210e80fc))
+
+
+### Bug Fixes
+
+* zapier event lower case issue ([#3535](https://github.com/rudderlabs/rudder-transformer/issues/3535)) ([277c1f0](https://github.com/rudderlabs/rudder-transformer/commit/277c1f00606b0ec5974e6bf24dae6749a1679069))
+
 ### [1.70.1](https://github.com/rudderlabs/rudder-transformer/compare/v1.70.0...v1.70.1) (2024-07-03)
 
 ### Bug Fixes
diff --git a/package-lock.json b/package-lock.json
index 515f6195ba..268141d2cd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rudder-transformer",
-  "version": "1.70.1",
+  "version": "1.71.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "rudder-transformer",
-      "version": "1.70.1",
+      "version": "1.71.1",
       "license": "ISC",
       "dependencies": {
         "@amplitude/ua-parser-js": "0.7.24",
diff --git a/package.json b/package.json
index aeecf9da70..e7710d74af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rudder-transformer",
-  "version": "1.70.1",
+  "version": "1.71.1",
   "description": "",
   "homepage": "https://github.com/rudderlabs/rudder-transformer#readme",
   "bugs": {
diff --git a/src/v0/destinations/ga4/utils.js b/src/v0/destinations/ga4/utils.js
index 77f78fbfdb..18994efd7f 100644
--- a/src/v0/destinations/ga4/utils.js
+++ b/src/v0/destinations/ga4/utils.js
@@ -554,21 +554,17 @@ const buildDeliverablePayload = (payload, Config) => {
   return response;
 };
 
-const sanitizeUserProperties = (userProperties) => {
-  Object.keys(userProperties).forEach((key) => {
-    const propetyValue = userProperties[key];
-    if (
-      typeof propetyValue === 'string' ||
-      typeof propetyValue === 'number' ||
-      typeof propetyValue === 'boolean'
-    ) {
-      delete userProperties[key];
-      userProperties[key] = {
-        value: propetyValue,
-      };
+function sanitizeUserProperties(userPropertiesObj) {
+  const sanitizedObj = {};
+  // eslint-disable-next-line no-restricted-syntax, guard-for-in
+  for (const key in userPropertiesObj) {
+    const { value } = userPropertiesObj[key];
+    if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') {
+      sanitizedObj[key] = { value };
     }
-  });
-};
+  }
+  return sanitizedObj;
+}
 
 const basicConfigvalidaiton = (Config) => {
   if (!Config.typesOfClient) {
diff --git a/src/v0/destinations/ga4_v2/customMappingsHandler.js b/src/v0/destinations/ga4_v2/customMappingsHandler.js
index 1eb1c2c868..0f20788076 100644
--- a/src/v0/destinations/ga4_v2/customMappingsHandler.js
+++ b/src/v0/destinations/ga4_v2/customMappingsHandler.js
@@ -12,6 +12,7 @@ const {
   buildDeliverablePayload,
   GA4_PARAMETERS_EXCLUSION,
   prepareUserProperties,
+  sanitizeUserProperties,
 } = require('../ga4/utils');
 const { InstrumentationError } = require('@rudderstack/integrations-lib');
 const {
@@ -158,6 +159,11 @@ const boilerplateOperations = (ga4Payload, message, Config, eventName) => {
   if (!isEmptyObject(consents)) {
     ga4Payload.consent = consents;
   }
+
+  // Prepare GA4 user properties
+  if (isDefinedAndNotNull(ga4Payload.user_properties)) {
+    ga4Payload.user_properties = sanitizeUserProperties(ga4Payload.user_properties);
+  }
 };
 
 module.exports = {
diff --git a/src/v0/destinations/tiktok_ads/config.js b/src/v0/destinations/tiktok_ads/config.js
index 61009d4c31..e3a49755e5 100644
--- a/src/v0/destinations/tiktok_ads/config.js
+++ b/src/v0/destinations/tiktok_ads/config.js
@@ -39,6 +39,9 @@ const mappingConfig = getMappingConfig(ConfigCategory, __dirname);
 // tiktok docs for max batch size for events 2.0: https://business-api.tiktok.com/portal/docs?id=1771100779668482
 const maxBatchSizeV2 = 1000;
 const trackEndpointV2 = 'https://business-api.tiktok.com/open_api/v1.3/event/track/';
+// Following is the list of standard events for which some parameters are recommended
+// Ref: https://business-api.tiktok.com/portal/docs?id=1771101186666498
+const eventsWithRecommendedParams = ['AddToCart', 'CompletePayment', 'PlaceAnOrder', 'ViewContent'];
 module.exports = {
   TRACK_ENDPOINT,
   BATCH_ENDPOINT,
@@ -50,4 +53,5 @@ module.exports = {
   DESTINATION: 'TIKTOK_ADS',
   trackEndpointV2,
   maxBatchSizeV2,
+  eventsWithRecommendedParams,
 };
diff --git a/src/v0/destinations/tiktok_ads/transformV2.js b/src/v0/destinations/tiktok_ads/transformV2.js
index 8760dee52c..73fcc1be31 100644
--- a/src/v0/destinations/tiktok_ads/transformV2.js
+++ b/src/v0/destinations/tiktok_ads/transformV2.js
@@ -19,7 +19,13 @@ const {
 const { getContents, hashUserField } = require('./util');
 const config = require('./config');
 
-const { trackMappingV2, trackEndpointV2, eventNameMapping, PARTNER_NAME } = config;
+const {
+  trackMappingV2,
+  trackEndpointV2,
+  eventNameMapping,
+  PARTNER_NAME,
+  eventsWithRecommendedParams,
+} = config;
 const { JSON_MIME_TYPE } = require('../../util/constant');
 
 /**
@@ -94,7 +100,14 @@ const trackResponseBuilder = async (message, { Config }) => {
     Object.keys(standardEventsMap).forEach((key) => {
       if (key === event) {
         standardEventsMap[event].forEach((eventName) => {
-          responseList.push(getTrackResponsePayload(message, Config, eventName));
+          responseList.push(
+            getTrackResponsePayload(
+              message,
+              Config,
+              eventName,
+              eventsWithRecommendedParams.includes(eventName),
+            ),
+          );
         });
       }
     });
@@ -105,11 +118,15 @@ const trackResponseBuilder = async (message, { Config }) => {
     Doc https://ads.tiktok.com/help/article/standard-events-parameters?lang=en
     */
     event = message.event;
-    responseList.push(getTrackResponsePayload(message, Config, event, false));
+    responseList.push(
+      getTrackResponsePayload(message, Config, event, eventsWithRecommendedParams.includes(event)),
+    );
   } else {
     // incoming event name is already a standard event name
     event = eventNameMapping[event];
-    responseList.push(getTrackResponsePayload(message, Config, event));
+    responseList.push(
+      getTrackResponsePayload(message, Config, event, eventsWithRecommendedParams.includes(event)),
+    );
   }
   // set event source and event_source_id
   response.body.JSON = {
diff --git a/test/integrations/destinations/tiktok_ads/processor/data.ts b/test/integrations/destinations/tiktok_ads/processor/data.ts
index 4dfd32d671..f459e68681 100644
--- a/test/integrations/destinations/tiktok_ads/processor/data.ts
+++ b/test/integrations/destinations/tiktok_ads/processor/data.ts
@@ -5385,7 +5385,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -5550,7 +5549,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -5586,7 +5584,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -5745,7 +5742,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -5784,7 +5780,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -6627,7 +6622,6 @@ export const data = [
                       event_id: '1616318632825_357',
                       event_time: 1600372167,
                       properties: {
-                        content_type: 'product',
                         contents: [
                           {
                             price: 8,
@@ -7048,7 +7042,6 @@ export const data = [
                       event: 'Search',
                       event_id: '84e26acc-56a5-4835-8233-591137fca468',
                       event_time: 1600372167,
-                      properties: { content_type: 'product' },
                       user: {
                         locale: 'en-US',
                         email: 'dd6ff77f54e2106661089bae4d40cdb600979bf7edc9eb65c0942ba55c7c2d7f',
diff --git a/test/integrations/destinations/tiktok_ads/router/data.ts b/test/integrations/destinations/tiktok_ads/router/data.ts
index 7246b8c04a..eaf5049433 100644
--- a/test/integrations/destinations/tiktok_ads/router/data.ts
+++ b/test/integrations/destinations/tiktok_ads/router/data.ts
@@ -976,7 +976,6 @@ export const data = [
                               content_id: '1197218',
                             },
                           ],
-                          content_type: 'product',
                           currency: 'USD',
                           value: 46,
                         },
@@ -2294,7 +2293,6 @@ export const data = [
                               content_id: '1197218',
                             },
                           ],
-                          content_type: 'product',
                           currency: 'USD',
                           value: 46,
                         },