Breaking: #53658 - option alternateBgColors removed 

See forge#53658

Description 

The PageTSConfig option mod.web_list.alternateBgColors is removed without substitution.

Impact 

Extensions that extend the DatabaseRecordList and are using the property alternateBgColors

The option in the TableListViewHelper has been deprecated and will be removed in TYPO3 CMS 8.

Affected installations 

A TYPO3 instance is affected if a 3rd party extension uses the removed property.

Migration 

Remove the call to the removed property.