Important: #70956 - Behavior of Page TSconfig options keepItems, addItems and removeItems changed

See Issue #70956

Description

The behavior of Page TSconfig options keepItems , addItems and removeItems has been restored to state of TYPO3 CMS 6.2-7.4 and the execution order of these options has been formalized.

The first option to be evaluated is keepItems , followed in turn by addItems and removeItems . All three options are evaluated after items have been added to the configuration by sources like folders or foreign tables.