---
title: "Breaking: #73504 - Make TimeTracker a singleton"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:breaking-73504"
source: "Changelog/8.0/Breaking-73504-MakeTimeTrackerASingleton.rst"
typo3-version: "8.0"
typo3-major: 8
type: "breaking"
issue: 73504
forge: "https://forge.typo3.org/issues/73504"
tags: ["PHP-API"]
rendered: "2026-09-17T21:17:42+00:00"
---

# Breaking: #73504 - Make TimeTracker a singleton {#breaking-73504-make-timetracker-a-singleton}

See [forge#73504](https://forge.typo3.org/issues/73504)

## Description {#description}

The class `TYPO3CMSCoreTimeTrackerTimeTracker` has been marked as singleton and is no longer stored in `$GLOBALS['TT']`.

## Impact {#impact}

Using methods of `$GLOBALS['TT']` will result in a fatal error.

## Affected Installations {#affected-installations}

All installations or 3rd party extensions using `$GLOBALS['TT']`.

## Migration {#migration}

Use `TYPO3CMSCoreUtilityGeneralUtility::makeInstance(TYPO3CMSCoreTimeTrackerTimeTracker::class)` instead.