Intended to be used to improve performance for large sites, similar to delete_logs_max_rows_per_query and archiving_ranking_query_row_limit
I just noticed that 4-x.dev is the new default branch. Do you want me to change the target branch ?
@toredash that would be good. We're not accepting such PRs for 3.x anymore. Be good to close it and create new for 4.x