From this version auto-complete function is default disabled for search in lists. No dropdown with items that fulfils the search condition will be shown. When you search in e g dashboard, ticket view or CI list you have to enter keyword and click the search icon or hit enter list to perform the search.
This function is disabled due to performance reasons. Auto-complete function can be activated, but note that it can have effect on system performance.
exec app.spSetGlobalSetting 'GridAutoCompleteEnabled', 'true'
• true – activate auto-complete
• false – deactivate LIFO, activate FIFO