diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/acqui-home.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/acqui-home.tt
index 533cc7285e..f8f91cab66 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/acqui-home.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/acqui-home.tt
@@ -270,6 +270,7 @@
                 "paginate": false,
                 "autoWidth": false
             }, table_settings );
+            let table_dt = oTable.DataTable();
 
             $(oTable).treetable({
                 expandable: true
@@ -286,11 +287,11 @@
 
             $("#hide_inactive").click(function(e){
                 e.preventDefault();
-                oTable.fnFilter( 1, 0 ); // Show only active=1
+                table_dt.columns(0).search(1).draw(); // Show only active=1
             });
             $("#show_inactive").click(function(e){
                 e.preventDefault();
-                oTable.fnFilter( '', 0 );
+                table_dt.columns(0).search("").draw();
             });
             $("#hide_inactive").click();
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoices.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoices.tt
index 2ed316f270..3e3979771c 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoices.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/invoices.tt
@@ -455,9 +455,9 @@
             $(".show_only_subscription").click(function(){
                 var table_id = $(this).attr("data-tableid");
                 if ( $(this).prop("checked") ) {
-                    $('#'+table_id).dataTable().fnFilter( "1", 0, true );
+                    $('#'+table_id).dataTable().columns(0).search(1, true).draw();
                 } else {
-                    $('#'+table_id).dataTable().fnFilter( '', 0 );
+                    $('#'+table_id).dataTable().columns(0).search("").draw();
                 }
             });
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/newordersuggestion.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/newordersuggestion.tt
index d53e6f2e71..198934b565 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/newordersuggestion.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/acqui/newordersuggestion.tt
@@ -132,18 +132,19 @@
     $(document).ready(function() {
         var suggestionst = $("#suggestionst").dataTable($.extend(true, {}, dataTablesDefaults, {
             "columnDefs": [
-                { "targets": [ 0 ],  "visible": false, "searchable":  true }, // must be searchable for fnFilter
+                { "targets": [ 0 ],  "visible": false, "searchable":  true }, // must be searchable for filtering
                 { "targets": [ -1 ], "orderable": false, "searchable":  false },
             ],
             "pagingType": "full"
         }));
+        let table_dt = suggestionst.DataTable();
         $("#show_only_mine").on('click', function(e){
             e.preventDefault();
-            suggestionst.fnFilter('^[% logged_in_user.borrowernumber | html %]$', 0, true);
+            table_dt.columns(0).search('^[% logged_in_user.borrowernumber | html %]$', true).draw();
         });
         $("#show_all").on('click', function(e){
             e.preventDefault();
-            suggestionst.fnFilter('', 0 );
+            table_dt.columns(0).search("").draw();
         });
      });
     </script>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/aqbudgets.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/aqbudgets.tt
index 2f86e10c6d..4fb12ca869 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/aqbudgets.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/aqbudgets.tt
@@ -732,6 +732,7 @@
                         "paginate": false,
                         "autoWidth": false
                     });
+                    let table_dt = oTable.DataTable();
 
                     $(oTable).treetable({
                         expandable: true
@@ -749,11 +750,11 @@
                     [% UNLESS budget_period_id %]
                       $("#hide_inactive").click(function(e){
                         e.preventDefault();
-                        oTable.fnFilter( 1, 0 ); // Show only active=1
+                        table_dt.columns(0).search(1).draw(); // Show only active=1
                       });
                       $("#show_inactive").click(function(e){
                         e.preventDefault();
-                        oTable.fnFilter( '', 0 );
+                        table_dt.columns(0).search("").draw(); // Show only active=1
                       });
                       $("#hide_inactive").click();
                     [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/credit_types.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/credit_types.tt
index f36b8fa3ba..cccf873a6c 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/credit_types.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/credit_types.tt
@@ -264,11 +264,11 @@
                 if ($(this).hasClass('filtered')) {
                     var filteredValue = '';
                     $(this).html('<i class="fa fa-filter"></i> '+txtActivefilter);
-                } else { //Not filtered. Let's do it!
+                } else { // Not filtered. Let's do it!
                     var filteredValue = '0';
                     $(this).html('<i class="fa fa-filter"></i> '+txtInactivefilter);
                 }
-                table_credit_types.fnFilter(filteredValue, 1, false, false);
+                table_credit_types.DataTable().columns(1).search(filteredValue, false, false).draw();
                 $(this).toggleClass('filtered');
             });
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/debit_types.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/debit_types.tt
index 151ef91437..e0aa3a7bd4 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/debit_types.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/debit_types.tt
@@ -284,11 +284,11 @@
                 if ($(this).hasClass('filtered')) {
                     var filteredValue = '';
                     $(this).html('<i class="fa fa-filter"></i> '+txtActivefilter);
-                } else { //Not filtered. Let's do it!
+                } else { // Not filtered. Let's do it!
                     var filteredValue = '0';
                     $(this).html('<i class="fa fa-filter"></i> '+txtInactivefilter);
                 }
-                table_debit_types.fnFilter(filteredValue, 1, false, false);
+                table_debit_types.DataTable().columns(1).search(filteredValue, false, false).draw();
                 $(this).toggleClass('filtered');
             });
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/readingrec.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/readingrec.tt
index 67105bfa93..771cedafa7 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/readingrec.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/readingrec.tt
@@ -193,15 +193,16 @@
                 "order": [[column_sort, 'desc']]
             }, table_settings);
 
+            let table_dt = table.DataTable();
             $("#tabs a[data-bs-toggle='tab']").on("shown.bs.tab", function (e) {
                 active_tab = $(this).attr("href");
+                let pattern = "";
                 if( active_tab == "#tab_checkout_panel" ){
-                    table.fnFilter("standard_checkout", 0);
+                    pattern = "standard_checkout";
                 } else if( active_tab == "#tab_onsite_checkout_panel" ){
-                    table.fnFilter("onsite_checkout", 0);
-                } else {
-                    table.fnFilter('', 0);
+                    pattern = "onsite_checkout";
                 }
+                table_dt.columns(0).search(pattern).draw();
             });
         });
     </script>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/pos/pay.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/pos/pay.tt
index f30834d02a..b22f7693f1 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/pos/pay.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/pos/pay.tt
@@ -418,7 +418,7 @@
             e.preventDefault();
             fnClickAddRow(sale_table, $( this ).data('invoiceCode'), $( this ).data('invoiceTitle'), $( this ).data('invoicePrice') );
             if($('#invoices_filter').find('input[type=search]').val() !== ''){
-                items_table.fnFilter( '' );
+                items_table.DataTable().search('').draw();
             }
         });
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/reports/guided_reports_start.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/reports/guided_reports_start.tt
index ed1e0cf7de..6bf5cc03b4 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/reports/guided_reports_start.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/reports/guided_reports_start.tt
@@ -2026,6 +2026,7 @@
                     },
 
                 }, table_settings);
+                let table_dt = rtable.DataTable();
 
                 $("#tabs a[data-bs-toggle='tab']").on("shown.bs.tab", function (e) {
                     tabsInit( $(e.target).parent(), rtable );
@@ -2038,13 +2039,11 @@
                 $("#subgroup_filter").change(function() {
                     var selected = $(this).find('option:selected');
                     var sg_id = $(selected).val();
+                    let col = table_dt.columns(5);
                     if (sg_id.length > 0) {
-                        const input = '^' + $.fn.dataTable.util.escapeRegex(sg_id) + '$';
-                        rtable.fnFilter(input, 5, true, false, true, false);
-                        rtable.fnSetColumnVis(5, false);
+                        col.search(sg_id, {exact:true}).visible(false).draw();
                     } else {
-                        rtable.fnFilter('', 5);
-                        rtable.fnSetColumnVis(5, true);
+                        col.search("").visible(true).draw();
                     }
                 });
 
@@ -2335,10 +2334,11 @@
                     $(this).remove();
                 }
             });
-            rtable.fnFilter('', 4);
-            rtable.fnFilter('', 5);
-            rtable.fnSetColumnVis(4, true);
-            rtable.fnSetColumnVis(5, true);
+            let table_dt = rtable.DataTable();
+            let col4 = table_dt.columns(4);
+            col4.search("").visible(true);
+            let col5 = table_dt.columns(4);
+            col5.search("").visible(true);
 
             var g_id = tab.find("a").data("tabname");
             if (g_id === 'reports') {
@@ -2346,9 +2346,7 @@
             }
 
             if (g_id && g_id.length > 0) {
-                const input = '^' + $.fn.dataTable.util.escapeRegex(g_id) + '$';
-                rtable.fnFilter(input, 4, true, false, true, false);
-                rtable.fnSetColumnVis(4, false);
+                col4.search(g_id, {exact:true}).visible(false);
                 for(var i in group_subgroups[g_id]) {
                     $("#subgroup_filter").append(
                         '<option value="' + group_subgroups[g_id][i][0] + '">'
@@ -2359,6 +2357,7 @@
             } else {
                 $("#subgroup_filter_block").hide();
             }
+            table_dt.draw();
         }
 
         function addColumn() {
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
index 7aed47a977..5c70b04238 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/subscription-detail.tt
@@ -486,13 +486,14 @@
 
             [% END %]
 
+            let table_dt = table.DataTable();
             $("#hide_received_orders").click(function(e){
                 e.preventDefault();
-                table.fnFilter( '^$', 4, true ); // Not empty "Receive date" columns
+                table_dt.columns(4).search('^$', {regex: true}).draw(); // Not empty "Receive date" columns
             });
             $("#show_all_orders").click(function(e){
                 e.preventDefault();
-                table.fnFilter( '', 4 ); // Not filter, display all columns
+                table_dt.columns(4).search('').draw(); // Not filter, display all columns
             });
             $("#show_all_orders").click();
 
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-account.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-account.tt
index 25067cac8c..f1ba5923af 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-account.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-account.tt
@@ -127,14 +127,14 @@ $( document ).ready(function() {
     $("#filter_p").html('<p><a href="#" id="filter_paid"><i class="fa fa-filter" aria-hidden="true"></i> '+txtActivefilter+'</a>');
     $('#filter_paid').click(function(e) {
         e.preventDefault();
+        let filteredValue = '';
         if ($(this).hasClass('filtered')) {
-            var filteredValue = '';
             $(this).html('<i class="fa fa-filter" aria-hidden="true"></i> '+txtActivefilter);
         } else { //Not filtered. Let's do it!
-            var filteredValue = '^((?!0.00).*)$'; //Filter not matching 0.00 http://stackoverflow.com/a/406408
+            filteredValue = '^((?!0.00).*)$'; //Filter not matching 0.00 http://stackoverflow.com/a/406408
             $(this).html('<i class="fa fa-filter" aria-hidden="true"></i> '+txtInactivefilter);
         }
-        fines_table.fnFilter(filteredValue, -2, true, false);
+        fines_table.DataTable().columns(-2).search(filteredValue, {regex: true}).draw();
         $(this).toggleClass('filtered');
     });
 
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-readingrecord.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-readingrecord.tt
index 34aebe1983..c6d445a193 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-readingrecord.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-readingrecord.tt
@@ -251,16 +251,17 @@
                 { "orderable": false, "targets": [1]}
             ],
         }, columns_settings);
+        let table_dt = table.DataTable();
 
         $("#tabs a[data-bs-toggle='tab']").on("shown.bs.tab", function (e) {
             var id = e.target.id;
+            let pattern = "";
             if ( id == "checkout-tab" ) {
-                table.fnFilter("standard_checkout", 0);
+                pattern = "standard_checkout";
             } else if ( id == "onsite_checkout-tab" ) {
-                table.fnFilter("onsite_checkout", 0);
-            } else { // all
-                table.fnFilter('', 0);
+                pattern = "onsite_checkout";
             }
+            table_dt.columns(0).search(pattern).draw();
         });
     });
 </script>