-Added CUSTOM ACTIONS to the API. You can now create your own ConditionalEvents actions by implementing the plugin API. These custom actions work exactly like normal actions, but you code your own execution. More info on the wiki.
-Fixed issue with /ce verify command and close_inventory action type.
-Added stopsound action type (works partially for 1.10+ and fully for 1.17+).
-Added %is_number_<variable>% variable to check whether a certain variable is a number or not. For example in a player_command event: %is_number_{arg_1}%.
-Fixed issue/error in latest versions of Paper regarding protocollib_receive_message event.
-Added: You can now use numerical slot values on the remove_item_slot action.
-Added %normal_message_without_color_codes% variable to protocollib_receive_message event.
-Added %inventory_title% variable to the item_move event.
-Fixed important issue replacing variables in "to" actions.