diff --git a/modules/improvedigitalBidAdapter.js b/modules/improvedigitalBidAdapter.js
index 0c9028133e0..22569f04cc3 100644
--- a/modules/improvedigitalBidAdapter.js
+++ b/modules/improvedigitalBidAdapter.js
@@ -6,7 +6,7 @@ import { BANNER, NATIVE } from '../src/mediaTypes';
 const BIDDER_CODE = 'improvedigital';
 
 export const spec = {
-  version: '5.1.0',
+  version: '5.2.0',
   code: BIDDER_CODE,
   aliases: ['id'],
   supportedMediaTypes: [BANNER, NATIVE],
@@ -43,6 +43,10 @@ export const spec = {
       requestParameters.gdpr = bidderRequest.gdprConsent.consentString;
     }
 
+    if (bidderRequest && bidderRequest.refererInfo && bidderRequest.refererInfo.referer) {
+      requestParameters.referrer = bidderRequest.refererInfo.referer;
+    }
+
     let requestObj = idClient.createRequest(
       normalizedBids, // requestObject
       requestParameters
@@ -75,6 +79,8 @@ export const spec = {
       if (bidObject.native) {
         // Native
         bid.native = getNormalizedNativeAd(bidObject.native);
+        // Expose raw oRTB response to the client to allow parsing assets not directly supported by Prebid
+        bid.ortbNative = bidObject.native;
         if (bidObject.nurl) {
           bid.native.impressionTrackers.unshift(bidObject.nurl);
         }
@@ -169,11 +175,13 @@ function getNormalizedBidRequest(bid) {
     publisherId = utils.getBidIdParameter('publisherId', bid.params) || null;
     placementKey = utils.getBidIdParameter('placementKey', bid.params) || null;
   }
-  let keyValues = utils.getBidIdParameter('keyValues', bid.params) || null;
-  let singleSizeFilter = utils.getBidIdParameter('size', bid.params) || null;
-  let bidId = utils.getBidIdParameter('bidId', bid);
-  let transactionId = utils.getBidIdParameter('transactionId', bid);
+  const keyValues = utils.getBidIdParameter('keyValues', bid.params) || null;
+  const singleSizeFilter = utils.getBidIdParameter('size', bid.params) || null;
+  const bidId = utils.getBidIdParameter('bidId', bid);
+  const transactionId = utils.getBidIdParameter('transactionId', bid);
   const currency = config.getConfig('currency.adServerCurrency');
+  const bidFloor = utils.getBidIdParameter('bidFloor', bid.params);
+  const bidFloorCur = utils.getBidIdParameter('bidFloorCur', bid.params);
 
   let normalizedBidRequest = {};
   if (placementId) {
@@ -211,6 +219,10 @@ function getNormalizedBidRequest(bid) {
   if (currency) {
     normalizedBidRequest.currency = currency;
   }
+  if (bidFloor) {
+    normalizedBidRequest.bidFloor = bidFloor;
+    normalizedBidRequest.bidFloorCur = bidFloorCur ? bidFloorCur.toUpperCase() : 'USD';
+  }
   return normalizedBidRequest;
 }
 
@@ -231,6 +243,33 @@ function getNormalizedNativeAd(rawNative) {
         case 2:
           native.body = asset.data.value;
           break;
+        case 3:
+          native.rating = asset.data.value;
+          break;
+        case 4:
+          native.likes = asset.data.value;
+          break;
+        case 5:
+          native.downloads = asset.data.value;
+          break;
+        case 6:
+          native.price = asset.data.value;
+          break;
+        case 7:
+          native.salePrice = asset.data.value;
+          break;
+        case 8:
+          native.phone = asset.data.value;
+          break;
+        case 9:
+          native.address = asset.data.value;
+          break;
+        case 10:
+          native.body2 = asset.data.value;
+          break;
+        case 11:
+          native.displayUrl = asset.data.value;
+          break;
         case 12:
           native.cta = asset.data.value;
           break;
@@ -255,26 +294,42 @@ function getNormalizedNativeAd(rawNative) {
     }
   });
   // Trackers
-  native.impressionTrackers = rawNative.imptrackers || [];
-  native.javascriptTrackers = rawNative.jstracker;
+  if (rawNative.eventtrackers) {
+    native.impressionTrackers = [];
+    rawNative.eventtrackers.forEach(tracker => {
+      // Only handle impression event. Viewability events are not supported yet.
+      if (tracker.event !== 1) return;
+      switch (tracker.method) {
+        case 1: // img
+          native.impressionTrackers.push(tracker.url);
+          break;
+        case 2: // js
+          // javascriptTrackers is a string. If there's more than one JS tracker in bid response, the last script will be used.
+          native.javascriptTrackers = `<script src=\"${tracker.url}\"></script>`;
+          break;
+      }
+    });
+  } else {
+    native.impressionTrackers = rawNative.imptrackers || [];
+    native.javascriptTrackers = rawNative.jstracker;
+  }
   if (rawNative.link) {
     native.clickUrl = rawNative.link.url;
     native.clickTrackers = rawNative.link.clicktrackers;
   }
+  if (rawNative.privacy) {
+    native.privacyLink = rawNative.privacy;
+  }
   return native;
 }
 registerBidder(spec);
 
 export function ImproveDigitalAdServerJSClient(endPoint) {
   this.CONSTANTS = {
-    HTTP_SECURITY: {
-      STANDARD: 0,
-      SECURE: 1
-    },
     AD_SERVER_BASE_URL: 'ice.360yield.com',
     END_POINT: endPoint || 'hb',
     AD_SERVER_URL_PARAM: 'jsonp=',
-    CLIENT_VERSION: 'JS-6.0.0',
+    CLIENT_VERSION: 'JS-6.2.0',
     MAX_URL_LENGTH: 2083,
     ERROR_CODES: {
       MISSING_PLACEMENT_PARAMS: 2,
@@ -300,6 +355,7 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
     }
 
     requestParameters.returnObjType = requestParameters.returnObjType || this.CONSTANTS.RETURN_OBJ_TYPE.DEFAULT;
+    requestParameters.adServerBaseUrl = 'https://' + (requestParameters.adServerBaseUrl || this.CONSTANTS.AD_SERVER_BASE_URL);
 
     let impressionObjects = [];
     let impressionObject;
@@ -325,7 +381,7 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
     }
     let errors = null;
 
-    let baseUrl = `${(requestParameters.secure === 1 ? 'https' : 'http')}://${this.CONSTANTS.AD_SERVER_BASE_URL}/${this.CONSTANTS.END_POINT}?${this.CONSTANTS.AD_SERVER_URL_PARAM}`;
+    let baseUrl = `${requestParameters.adServerBaseUrl}/${this.CONSTANTS.END_POINT}?${this.CONSTANTS.AD_SERVER_URL_PARAM}`;
 
     let bidRequestObject = {
       bid_request: this.createBasicBidRequestObject(requestParameters, extraRequestParameters)
@@ -386,12 +442,11 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
       case this.CONSTANTS.RETURN_OBJ_TYPE.URL_PARAMS_SPLIT:
         return {
           method: 'GET',
-          url: `//${this.CONSTANTS.AD_SERVER_BASE_URL}/${this.CONSTANTS.END_POINT}`,
+          url: `${requestParameters.adServerBaseUrl}/${this.CONSTANTS.END_POINT}`,
           data: `${this.CONSTANTS.AD_SERVER_URL_PARAM}${encodeURIComponent(JSON.stringify(bidRequestObject))}`
         };
       default:
-        const baseUrl = `${(requestParameters.secure === 1 ? 'https' : 'http')}://` +
-          `${this.CONSTANTS.AD_SERVER_BASE_URL}/` +
+        const baseUrl = `${requestParameters.adServerBaseUrl}/` +
           `${this.CONSTANTS.END_POINT}?${this.CONSTANTS.AD_SERVER_URL_PARAM}`;
         return {
           url: baseUrl + encodeURIComponent(JSON.stringify(bidRequestObject))
@@ -401,6 +456,7 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
 
   this.createBasicBidRequestObject = function(requestParameters, extraRequestParameters) {
     let impressionBidRequestObject = {};
+    impressionBidRequestObject.secure = 1;
     if (requestParameters.requestId) {
       impressionBidRequestObject.id = requestParameters.requestId;
     } else {
@@ -418,9 +474,6 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
     if (requestParameters.callback) {
       impressionBidRequestObject.callback = requestParameters.callback;
     }
-    if ('secure' in requestParameters) {
-      impressionBidRequestObject.secure = requestParameters.secure;
-    }
     if (requestParameters.libVersion) {
       impressionBidRequestObject.version = requestParameters.libVersion + '-' + this.CONSTANTS.CLIENT_VERSION;
     }
@@ -455,6 +508,12 @@ export function ImproveDigitalAdServerJSClient(endPoint) {
     if (placementObject.currency) {
       impressionObject.currency = placementObject.currency.toUpperCase();
     }
+    if (placementObject.bidFloor) {
+      impressionObject.bidfloor = placementObject.bidFloor;
+    }
+    if (placementObject.bidFloorCur) {
+      impressionObject.bidfloorcur = placementObject.bidFloorCur.toUpperCase();
+    }
     if (placementObject.placementId) {
       impressionObject.pid = placementObject.placementId;
     }
diff --git a/modules/improvedigitalBidAdapter.md b/modules/improvedigitalBidAdapter.md
index d70b624171f..15602d11038 100644
--- a/modules/improvedigitalBidAdapter.md
+++ b/modules/improvedigitalBidAdapter.md
@@ -2,7 +2,7 @@
 
 **Module Name**: Improve Digital Bidder Adapter
 **Module Type**: Bidder Adapter
-**Maintainer**: hb@improvedigital.com
+**Maintainer**: hb@azerion.com
 
 # Description
 
diff --git a/test/spec/modules/improvedigitalBidAdapter_spec.js b/test/spec/modules/improvedigitalBidAdapter_spec.js
index 6c78afca6b2..8b8f6c4bf4c 100644
--- a/test/spec/modules/improvedigitalBidAdapter_spec.js
+++ b/test/spec/modules/improvedigitalBidAdapter_spec.js
@@ -7,7 +7,7 @@ describe('Improve Digital Adapter Tests', function () {
   let idClient = new ImproveDigitalAdServerJSClient('hb');
 
   const METHOD = 'GET';
-  const URL = '//ice.360yield.com/hb';
+  const URL = 'https://ice.360yield.com/hb';
   const PARAM_PREFIX = 'jsonp=';
 
   const simpleBidRequest = {
@@ -33,11 +33,17 @@ describe('Improve Digital Adapter Tests', function () {
     }
   };
 
-  const bidderRequest = {
-    'gdprConsent': {
-      'consentString': 'BOJ/P2HOJ/P2HABABMAAAAAZ+A==',
-      'vendorData': {},
-      'gdprApplies': true
+  const bidderRequestGdpr = {
+    gdprConsent: {
+      consentString: 'BOJ/P2HOJ/P2HABABMAAAAAZ+A==',
+      vendorData: {},
+      gdprApplies: true
+    },
+  };
+
+  const bidderRequestReferrer = {
+    refererInfo: {
+      referer: 'https://blah.com/test.html',
     },
   };
 
@@ -151,13 +157,42 @@ describe('Improve Digital Adapter Tests', function () {
       getConfigStub.restore();
     });
 
+    it('should add bid floor', function () {
+      const bidRequest = Object.assign({}, simpleBidRequest);
+      let request = spec.buildRequests([bidRequest])[0];
+      let params = JSON.parse(decodeURIComponent(request.data.substring(PARAM_PREFIX.length)));
+      // Floor price currency shouldn't be populated without a floor price
+      expect(params.bid_request.imp[0].bidfloorcur).to.not.exist;
+
+      // Default floor price currency
+      bidRequest.params.bidFloor = 0.05;
+      request = spec.buildRequests([bidRequest])[0];
+      params = JSON.parse(decodeURIComponent(request.data.substring(PARAM_PREFIX.length)));
+      expect(params.bid_request.imp[0].bidfloor).to.equal(0.05);
+      expect(params.bid_request.imp[0].bidfloorcur).to.equal('USD');
+
+      // Floor price currency
+      bidRequest.params.bidFloorCur = 'eUR';
+      request = spec.buildRequests([bidRequest])[0];
+      params = JSON.parse(decodeURIComponent(request.data.substring(PARAM_PREFIX.length)));
+      expect(params.bid_request.imp[0].bidfloor).to.equal(0.05);
+      expect(params.bid_request.imp[0].bidfloorcur).to.equal('EUR');
+    });
+
     it('should add GDPR consent string', function () {
       const bidRequest = Object.assign({}, simpleBidRequest);
-      const request = spec.buildRequests([bidRequest], bidderRequest)[0];
+      const request = spec.buildRequests([bidRequest], bidderRequestGdpr)[0];
       const params = JSON.parse(decodeURIComponent(request.data.substring(PARAM_PREFIX.length)));
       expect(params.bid_request.gdpr).to.equal('BOJ/P2HOJ/P2HABABMAAAAAZ+A==');
     });
 
+    it('should add referrer', function () {
+      const bidRequest = Object.assign({}, simpleBidRequest);
+      const request = spec.buildRequests([bidRequest], bidderRequestReferrer)[0];
+      const params = JSON.parse(decodeURIComponent(request.data.substring(PARAM_PREFIX.length)));
+      expect(params.bid_request.referrer).to.equal('https://blah.com/test.html');
+    });
+
     it('should return 2 requests', function () {
       const requests = spec.buildRequests([
         simpleBidRequest,
@@ -310,13 +345,61 @@ describe('Improve Digital Adapter Tests', function () {
               {
                 data: {
                   type: 3,
-                  value: 'Should get ignored'
+                  value: '4' // rating
+                }
+              },
+              {
+                data: {
+                  type: 4,
+                  value: '10105' // likes
+                }
+              },
+              {
+                data: {
+                  type: 5,
+                  value: '150000' // downloads
+                }
+              },
+              {
+                data: {
+                  type: 6,
+                  value: '3.99' // price
+                }
+              },
+              {
+                data: {
+                  type: 7,
+                  value: '4.49' // salePrice
+                }
+              },
+              {
+                data: {
+                  type: 8,
+                  value: '(123) 456-7890' // phone
+                }
+              },
+              {
+                data: {
+                  type: 9,
+                  value: '123 Main Street, Anywhere USA' // address
+                }
+              },
+              {
+                data: {
+                  type: 10,
+                  value: 'body2'
+                }
+              },
+              {
+                data: {
+                  type: 11,
+                  value: 'https://myurl.com' // displayUrl
                 }
               },
               {
                 data: {
                   type: 12,
-                  value: 'Do it'
+                  value: 'Do it' // cta
                 }
               },
               {
@@ -334,6 +417,7 @@ describe('Improve Digital Adapter Tests', function () {
                   h: 30,
                   w: 40
                 }
+
               },
               {
                 img: {
@@ -354,7 +438,8 @@ describe('Improve Digital Adapter Tests', function () {
               'http://imptrack1.com',
               'http://imptrack2.com'
             ],
-            jstracker: '<script src=\"http://www.foobar.js\"></script>'
+            jstracker: '<script src=\"http://www.foobar.js\"></script>',
+            privacy: 'https://www.myprivacyurl.com'
           }
         }
       ],
@@ -362,6 +447,19 @@ describe('Improve Digital Adapter Tests', function () {
     }
   };
 
+  const nativeEventtrackers = [
+    {
+      event: 1,
+      method: 1,
+      url: 'http://www.mytracker.com/imptracker'
+    },
+    {
+      event: 1,
+      method: 2,
+      url: 'http://www.mytracker.com/tracker.js'
+    }
+  ];
+
   describe('interpretResponse', function () {
     let expectedBid = [
       {
@@ -411,8 +509,17 @@ describe('Improve Digital Adapter Tests', function () {
         native: {
           title: 'Native title',
           body: 'Native body',
+          body2: 'body2',
           cta: 'Do it',
           sponsoredBy: 'Improve Digital',
+          rating: '4',
+          likes: '10105',
+          downloads: '150000',
+          price: '3.99',
+          salePrice: '4.49',
+          phone: '(123) 456-7890',
+          address: '123 Main Street, Anywhere USA',
+          displayUrl: 'https://myurl.com',
           icon: {
             url: 'http://blah.com/icon.jpg',
             height: 30,
@@ -430,7 +537,8 @@ describe('Improve Digital Adapter Tests', function () {
             'http://imptrack1.com',
             'http://imptrack2.com'
           ],
-          javascriptTrackers: '<script src=\"http://www.foobar.js\"></script>'
+          javascriptTrackers: '<script src=\"http://www.foobar.js\"></script>',
+          privacyLink: 'https://www.myprivacyurl.com'
         }
       }
     ];
@@ -532,8 +640,23 @@ describe('Improve Digital Adapter Tests', function () {
 
     // Native ads
     it('should return a well-formed native ad bid', function () {
-      const bids = spec.interpretResponse(serverResponseNative);
+      let bids = spec.interpretResponse(serverResponseNative);
+      expect(bids[0].ortbNative).to.deep.equal(serverResponseNative.body.bid[0].native);
+      delete bids[0].ortbNative;
       expect(bids).to.deep.equal(expectedBidNative);
+
+      // eventtrackers
+      const response = JSON.parse(JSON.stringify(serverResponseNative));
+      const expectedBids = JSON.parse(JSON.stringify(expectedBidNative));
+      response.body.bid[0].native.eventtrackers = nativeEventtrackers;
+      expectedBids[0].native.impressionTrackers = [
+        'http://ice.360yield.com/imp_pixel?ic=wVm',
+        'http://www.mytracker.com/imptracker'
+      ];
+      expectedBids[0].native.javascriptTrackers = '<script src=\"http://www.mytracker.com/tracker.js\"></script>';
+      bids = spec.interpretResponse(response);
+      delete bids[0].ortbNative;
+      expect(bids).to.deep.equal(expectedBids);
     });
   });