For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
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Hello, I installed the plugin plg_fabrik_list_update_col_3.8.1 and selecting multiple records I do not have the alert message in the list, why?
var text = 'alert: ' + ids.length + ' records selected';
alert(text);