---
title: "Changelog"
slug: "tag-manager-changelog"
tags: ["v5 changelog"]
updated: 2025-07-30T11:45:41Z
published: 2025-07-30T11:45:41Z
canonical: "docs.mapp.com/tag-manager-changelog"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mapp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

The following table gives you an overview of the different versions of pixel v5 with the newly added features as well as the fixed bugs.

| Version | Description | Configuration Parameter |
| --- | --- | --- |
| **5.5.0** | We offer a new advanced option, with which you can define any tracking parameters for obfuscation | parameterObfuscation |
|  | Given that we send the version in a dedicated parameter now, it is possible to change the value in the parameter to a static one. | - |
|  | We want to enable customers to distinguish between forwarding data to Intelligence only or to Intelligence and Engage | activateAdvancedPermission advancedPermissionCategory |
|  | When using **sendViaSDK** in the pixel and anonymous tracking including setting the temporary session ID is enabled, the parameters are filtered out when sending the request to the mobile SDKs. | - |
| **5.4.1** | Due to architectural changes in automatic link tracking, it was possible that standard and link tracking configurations did not track clicks consistently. A decrease in event tracking was possible. | - |
| **5.4.0** | Automatic tracking of clicks on any HTML element can be configured (see [Event tracking](/v1/docs/configuration-mapp-intelligence-plugin-events)) | linkTrackAdvanced |
| **5.3.2** | It is now possible to send Mapp Engage Custom Attributes. | customUserAttributes customTrackingEventName customTrackingEventId |
|  | [Personally Identifiable Information](/v1/docs/engage-tag-integration) data sent to Engage for the registration process can be obfuscated. | registerObfuscation |
|  | You can check if a page request has already been sent. This can be useful for custom plugins or extensions that rely on a page request. | hasPageAlreadySent |
|  | Reduction of the Ever-ID cookie size | - |
| **5.3.1** | Replacement of the deprecated event 'unload' with 'pagehide' | - |
| **5.3.0** | Requests are not sent when the user leaves the site (iOS 15+) | - |
| **5.2.9** | Support temporary session ID for anonymous tracking | temporarySessionId, saveTemporarySessionId |
|  | Support tracking of shadow DOM elements | linkTrackShadowRoot |
|  | The CDB is deactivated by default | execCDB |
|  | Form requests are not tracked when the page is hidden | - |
| **5.2.8** | Add tracking parameter (pf, cs801 and cs802) for pixel feature usage | - |
| **5.2.7** | Limit number of retries to send requests in request queue | requestQueueRetries, requestQueueRetriesOption |
| **5.2.6** | Pixel does not use xwteid value for 3rd party cookies | - |
| **5.2.5** | Create option for Mapp user matching | - |
| Add a property to configure request limitation | requestLimitActivated |
| Anonymous tracking not consistent with tab browsing and pre-rendering | - |
| **5.2.4** | Change "wt_rla" cookie duration to session | - |
| Fixed: TabBrowsing uses the wrong timestamp | - |
| Added additional parameters to exclude when using anonymous tracking in the Mapp Intelligence Plugin | - |
| **5.2.3** | User Identification Opt-In | enableAnonymousFunction, anonymousOptIn, anonymousCookieName |
| Support linebreaks in page name for request queue | - |
| **5.2.2** | Support anonymous tracking | enableIdentificationOptOut , optOutIdentificationName , suppressIdentificationParameter wt.setIdentifierOptOut();, wt.removeIdentifierOptOut(); |
| Deprecated: - Heatmap - A/B Testing | - |
| **5.2.0** | Support server-to-server communication | sendViaServerActivated, sendViaServerDomain, sendViaServerPath, sendViaServerDroppedRequests, sendViaServerBlacklist |
|  | Fixed focus and blur event problem on MacOS for form tracking | - |
| **5.1.1** | "Web to App Tracking" added. | sendViaSDK |
|  | Support of pre-rendering in Safari 12.2. | ignorePrerendering |
|  | Support CTRL & Left Mouse Button when using "delayLinkTrack." | - |
| **5.1.0** | Requests are written to the request queue immediately. | - |
|  | Commas in page names are now supported. | - |
|  | CDB for Safari disabled (ITP 2.1). | - |
| **5.0.9** | The "Request Queue" feature has been integrated. | requestQueueActivated, requestQueueTTL, requestQueueResendInterval, requestQueueSize |
|  | Only the tracking parameters that differ from the default value are sent. | - |
|  | Tracking parameters that are not supported are removed. | - |
| **5.0.8** | Webtrekk Real Time Bidding has been removed. | - |
| **5.0.7** | Random character string that is appended after the tracking endpoint ("wt"). | requestObfuscation |
|  | Random order of all tracking parameters (including "p"). | requestObfuscation |
|  | Automatically generated page name contains a hash value. | - |
|  | Ignore Ever ID if the timestamp is greater than 15 minutes. | - |
| **5.0.6** | Ability to filter URL fragments from the page URL. | pageURLPattern, pageURLReplace |
|  | Extension of the Webtrekk App SDKs (Android) to overwrite the Ever ID. | - |
|  | Changed default value for "execRTA = false". | - |
| **5.0.5** | Security fix for overlay/ heatmap. | - |
| **5.0.4** | RTA and CDB are completely disabled if the user has first-party opt-out/ sampling cookie. | - |
|  | The Webtrekk App SDKs (iOS and Android) can overwrite the Ever ID on the page (web view). | - |
|  | The Ever ID is regenerated if it is not valid (wrong timestamp). | validateEverId |
|  | The pixel version is added to the CDB request. | - |
| **5.0.3** | The Ever ID is readable via the URL hash. | - |
| **5.0.2** | The function to overwrite the referrer URL was added. | setReferrer |
|  | The CDBEID is now sent every 15 minutes. | - |
|  | The CDBEID image service timeout increased from 500 ms to 2000 ms. | - |
| **5.0.1** | No more "pu" parameters in form and heatmap requests. | - |