Important: #70956 - Behavior of Page TSConfig options keepItems, addItems and removeItems changed¶
See Issue #70956
The behavior of Page TSconfig options
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
removeItems. All three options are evaluated after items have been added to
the configuration by sources like folders or foreign tables.