Deprecation: #80583 - TYPO3_CONF_VARS_extensionAdded 

See forge#80583

Description 

The global array $GLOBALS['TYPO3_CONF_VARS_extensionAdded'] has been deprecated along with the method ExtensionManagementUtility::appendToTypoConfVars()

Impact 

Using method appendToTypoConfVars() throws a deprecation warning and accessing $GLOBALS['TYPO3_CONF_VARS_extensionAdded'] will stop working with core version 9.

Affected Installations 

Extensions using $GLOBALS['TYPO3_CONF_VARS_extensionAdded'] or method appendToTypoConfVars()

Migration 

Access $GLOBALS['TYPO3_CONF_VARS'] directly.