Breaking: #77814 - Remove feature subsearch from indexed search 

See forge#77814

Description 

The feature subsearch which enabled the possibility to append previously searched words to the current query was removed.

The option TypoScript plugin.tx_indexedsearch.clearSearchBox has been removed.

Impact 

Frontend output of search results may change.

Setting the TypoScript option has no effect anymore.

Affected Installations 

Any installation using this option or using custom indexed search plugin templates.

Migration 

Remove the option in your custom TypoScript and remove the functionality in the Fluid plugin template.