Back in 2023, someone was having the same issue Dashboard: increasing the number of entries shown in "options list" filter controls related to the option to increase the number of entries (more than 10) in the filter options. I was wondering, has it been updated?
hi @aram215
it seems that the feature has been shipped with Kibana 8.7.0: [Dashboard] [Controls] Load more options list suggestions on scroll by Heenawter · Pull Request #148331 · elastic/kibana · GitHub