diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 02ad119b5e4..c8567762016 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -38,7 +38,7 @@ function onContentLoad() {
   if ($('input[focus_on_load=true]').length > 0) {
     $('input[focus_on_load]')
       .first()
-      .focus();
+      .trigger("focus");
   }
 
   // highlight tabs with errors
@@ -84,11 +84,66 @@ function onContentLoad() {
 
   $('input.remove_form_templates')
     .closest('form')
-    .submit(function(event) {
+    .on('submit', function(event) {
       $(this)
         .find('.form_template')
         .remove();
     });
+
+  const autoUpdateSelect2Titles = function() {
+    const targetNodes = document.querySelectorAll(
+      '.select2-selection__rendered'
+    );
+
+    const config = { attributes: true, attributeFilter: ['title'] };
+
+    const callback = function(mutationsList, observer) {
+      for (let mutation of mutationsList) {
+        if (
+          mutation.type === 'attributes' &&
+          mutation.attributeName === 'title'
+        ) {
+          mutation.target.setAttribute(
+            'data-original-title',
+            mutation.target.getAttribute('title')
+          );
+        }
+      }
+    };
+
+    targetNodes.forEach(targetNode => {
+      const observer = new MutationObserver(callback);
+      observer.observe(targetNode, config);
+    });
+  };
+
+  const hideSelect2ClearTooltip = function() {
+    $(document).on('blur', '.select2-selection__clear', function() {
+      $('.tooltip').tooltip('hide');
+    });
+
+    const targetNode = document.querySelector('body');
+    const config = { attributes: false, childList: true, subtree: true };
+    const callback = function(mutationsList) {
+      for (let mutation of mutationsList) {
+        if (mutation.type === 'childList') {
+          const node = Array.from(mutation.removedNodes).find(
+            node =>
+              node.classList &&
+              node.classList.contains('select2-selection__clear')
+          );
+          if (node) {
+            $('.tooltip').tooltip('hide');
+          }
+        }
+      }
+    };
+    const observer = new MutationObserver(callback);
+    observer.observe(targetNode, config);
+  };
+
+  hideSelect2ClearTooltip();
+  autoUpdateSelect2Titles();
 }
 
 function preserve_selected_options(elem) {
@@ -98,7 +153,7 @@ function preserve_selected_options(elem) {
 }
 
 function password_caps_lock_hint() {
-  $('[type=password]').keypress(function(e) {
+  $('[type=password]').trigger('keypress', function(e) {
     var $addon = $(this)
         .parent()
         .children('.input-addon'),
@@ -301,7 +356,7 @@ function ignore_subnet(item) {
 
 // shows provisioning templates in a new window
 $(function() {
-  $('[data-provisioning-template=true]').click(function() {
+  $('[data-provisioning-template=true]').on('click', function() {
     window.open(this.href, [
       (width = '300'),
       (height = '400'),
@@ -423,18 +478,34 @@ function disableButtonToggle(item, explicit) {
     $(formControl).val('');
   }
 
-  $(item).blur();
+  $(item).trigger('blur');
 }
 
-function activate_select2(container, allowClear) {
-  allowClear = typeof allowClear !== 'undefined' ? allowClear : true;
+function activate_select2(container, allowClear ) {
+  const htmlElemnt = document.getElementsByTagName('html')[0];
+  const langAttr = htmlElemnt.getAttribute('lang') || 'en';
   $(container)
     .find('select:not(.without_select2)')
     .not('.form_template select')
     .not('#interfaceForms select')
-    .select2({
-      allowClear: allowClear,
-      formatNoMatches: __('No matches found'),
+    .each(function() {
+      const placeholder = $(this).data('placeholder');
+      let selectAllowClear = allowClear
+      if (typeof selectAllowClear === 'undefined') {
+       if ($(this).hasClass('include_blank')) {
+          selectAllowClear = true;
+        } else {
+          selectAllowClear = false;
+        }
+      }
+      $(this).select2({
+        debug: true,
+        language: langAttr,
+        width: '100%',
+        allowClear: selectAllowClear,
+        formatNoMatches: __('No matches found'),
+        placeholder: selectAllowClear? placeholder || '' : { id: '-1', text: '' },
+      });
     });
 }
 
@@ -455,3 +526,14 @@ function clearError(field) {
     .children('.error-message');
   error_block.remove();
 }
+
+// jQuery deprecated functions
+// used by gridster and bootstrap
+$.fn.isFunction = function(func) {
+  return typeof func === 'function';
+};
+$.fn.isArray = Array.isArray;
+$.fn.trim = String.prototype.trim;
+$.fn.bind = function(event, func) {
+  return this.on(event, func);
+};
diff --git a/app/assets/javascripts/hidden_values.js b/app/assets/javascripts/hidden_values.js
index 8a52e79102b..ee386774f78 100644
--- a/app/assets/javascripts/hidden_values.js
+++ b/app/assets/javascripts/hidden_values.js
@@ -3,7 +3,7 @@ function turn_textarea_switch() {
 }
 
 function hidden_value_control() {
-  $('.toggle-hidden-value a').click(function(event) {
+  $('.toggle-hidden-value a').on('click', function(event) {
     event.preventDefault();
     var link = $(event.currentTarget);
     link
diff --git a/app/assets/javascripts/host_edit.js b/app/assets/javascripts/host_edit.js
index 742a5ea7ad8..57f663fea4b 100644
--- a/app/assets/javascripts/host_edit.js
+++ b/app/assets/javascripts/host_edit.js
@@ -1,13 +1,11 @@
 //= require parameter_override
 
-$(document).ready(function() {
+$(document).on('ContentLoad', function() {
   var searchParams = new URLSearchParams(window.location.search);
   if(searchParams.has('hostgroup_id')) {
     var param = searchParams.get('hostgroup_id');
     $('#host_hostgroup_id').val(param).trigger('change');
   }
-});
-$(document).on('ContentLoad', function() {
   onHostEditLoad();
 });
 $(document)
@@ -145,11 +143,11 @@ function update_capabilities(capabilities) {
   var build = capabilities.indexOf('build') > -1;
   if (build) {
     $('#manage_network_build').show();
-    $('#host_provision_method_build').click();
+    $('#host_provision_method_build').trigger('click');
     build_provision_method_selected();
   } else if (capabilities.length > 0) {
     $('#manage_network_build').hide();
-    $('#host_provision_method_' + capabilities[0]).click();
+    $('#host_provision_method_' + capabilities[0]).trigger('click');
     if (capabilities[0].toLowerCase() === 'image') {
       image_provision_method_selected();
     }
@@ -329,7 +327,7 @@ function update_form(element, options) {
       if (host_compute_resource_id.exists()) {
         // to handle case if def process_taxonomy changed compute_resource_id to nil
         if (!host_compute_resource_id.val()) {
-          host_compute_resource_id.change();
+          host_compute_resource_id.trigger('change');
         } else {
           // in case the compute resource was selected, we still want to check for
           // free ip if applicable
diff --git a/app/assets/javascripts/host_edit_interfaces.js b/app/assets/javascripts/host_edit_interfaces.js
index 75cc3f5a4f2..4de94404107 100644
--- a/app/assets/javascripts/host_edit_interfaces.js
+++ b/app/assets/javascripts/host_edit_interfaces.js
@@ -1,6 +1,6 @@
-$(document).ready(function() {
-  $('#host_name').select();
-  $('#host_name').focus();
+$(document).on('ContentLoad', function() {
+  $('#host_name').trigger("select");
+  $('#host_name').trigger("focus");
 });
 
 function remove_interface(interface_id) {
@@ -107,12 +107,12 @@ function get_interface_row(interface_id) {
     interface_row.attr('id', 'interface' + interface_id);
     interface_row.data('interface-id', interface_id);
 
-    interface_row.find('.showModal').click(function() {
+    interface_row.find('.showModal').on('click', function() {
       edit_interface(interface_id);
       return false;
     });
 
-    interface_row.find('.removeInterface').click(function() {
+    interface_row.find('.removeInterface').on('click', function() {
       remove_interface(interface_id);
       return false;
     });
diff --git a/app/assets/javascripts/hosts.js b/app/assets/javascripts/hosts.js
index b5df44012b6..54125e10a97 100644
--- a/app/assets/javascripts/hosts.js
+++ b/app/assets/javascripts/hosts.js
@@ -2,7 +2,7 @@ $(document).on('ContentLoad', function() {
   tfm.tools.setTab();
 
   var dialog = $('#review_before_build');
-  $('#build-review').click(function() {
+  $('#build-review').on('click', function() {
     dialog.find('.modal-body #build_status').html('');
     $('.loading').addClass('visible');
     $.ajax({
@@ -26,7 +26,7 @@ $(document).on('ContentLoad', function() {
   });
 
   dialog.on('click', '#recheck_review', function() {
-    $('#build-review').click();
+    $('#build-review').trigger('click');
   });
 
   var action_buttons = $('.btn-toolbar a')
diff --git a/app/assets/javascripts/jquery.multi-select.js b/app/assets/javascripts/jquery.multi-select.js
index dd5bb993dd3..938ce7077eb 100644
--- a/app/assets/javascripts/jquery.multi-select.js
+++ b/app/assets/javascripts/jquery.multi-select.js
@@ -27,28 +27,28 @@ function multiSelectToolTips(){
     var msid = '#ms-'+item.id;
     // it an <li> items match multiple tooltips, then only the first tooltip will show
     if (!(mismatches == null || mismatches == 'undefined')) {
-      var missing_ids = $.parseJSON(mismatches);
+      var missing_ids = JSON.parse(mismatches);
       $.each(missing_ids, function(index,missing_id){
         opt_id = sanitize(missing_id+'');
         $(msid).find('li#'+opt_id+'-selectable').addClass('delete').tooltip({container: 'body', title: __("Select this since it belongs to a host"), placement: "left"});
       })
     }
     if (!(useds == null || descendants == 'useds')) {
-      var used_ids = $.parseJSON(useds);
+      var used_ids = JSON.parse(useds);
       $.each(used_ids, function(index,used_id){
         opt_id = sanitize(used_id+'');
         $(msid).find('li#'+opt_id+'-selection').addClass('used_by_hosts').tooltip({container: 'body', title: __("This is used by a host"), placement: "right"});
       })
     }
     if (!(inheriteds == null || inheriteds == 'undefined')) {
-      var inherited_ids = $.parseJSON(inheriteds);
+      var inherited_ids = JSON.parse(inheriteds);
       $.each(inherited_ids, function(index,inherited_id){
         opt_id = sanitize(inherited_id+'');
         $(msid).find('li#'+opt_id+'-selection').addClass('inherited').tooltip({container: 'body', title: __("This is inherited from parent"), placement: "right"});
       })
     }
     if (!(descendants == null || descendants == 'undefined')) {
-      var descendant_ids = $.parseJSON(descendants);
+      var descendant_ids = JSON.parse(descendants);
       $.each(descendant_ids, function(index,descendant_id){
         opt_id = sanitize(descendant_id+'');
         $(msid).find('li#'+opt_id+'-selection').addClass('descendants').tooltip({container: 'body', title: __("Parent is already selected"), placement: "right"});
@@ -77,7 +77,7 @@ $(document).on('click', '.ms-select-all', function () {
     $(this).tooltip('hide')
       .closest('.form-group')
       .find('.ms-selectable .ms-list :visible')
-      .click();
+      .trigger('click');
     return false;
 });
 
diff --git a/app/assets/javascripts/lookup_keys.js b/app/assets/javascripts/lookup_keys.js
index 618636807dc..720155fb771 100644
--- a/app/assets/javascripts/lookup_keys.js
+++ b/app/assets/javascripts/lookup_keys.js
@@ -28,7 +28,7 @@ function select_first_tab() {
     pills
       .find('a:visible')
       .first()
-      .click();
+      .trigger('click');
   }
 }
 
@@ -39,7 +39,7 @@ function remove_node(item) {
       .attr('href')
   )
     .children('.btn-danger')
-    .click();
+    .trigger('click');
 }
 
 function fix_template_context(content, context) {
diff --git a/app/assets/javascripts/parameter_override.js b/app/assets/javascripts/parameter_override.js
index 1a66b6a7087..cd58ce7d60c 100644
--- a/app/assets/javascripts/parameter_override.js
+++ b/app/assets/javascripts/parameter_override.js
@@ -8,7 +8,7 @@ function override_param(item) {
   var v = param_value.val();
 
   var addParameterButton = $('#parameters').find('.btn-primary');
-  addParameterButton.click();
+  addParameterButton.trigger('click');
   var directionOfAddedItems = addParameterButton.attr('direction');
   var new_param = $('#parameters').find('.fields');
   if(directionOfAddedItems === 'append'){
@@ -26,6 +26,6 @@ function override_param(item) {
       hiddenValueCheckBox = new_param.find('.set_hidden_value');
     hiddenValueCheckBox.prop('checked', true);
     hiddenValueCheckBox.val('1');
-    alink.click();
+    alink.trigger('click');
   }
 }
diff --git a/app/helpers/form_helper.rb b/app/helpers/form_helper.rb
index 6f4164bd450..bd2409c17a0 100644
--- a/app/helpers/form_helper.rb
+++ b/app/helpers/form_helper.rb
@@ -119,6 +119,9 @@ def select_f(f, attr, array, id, method, select_options = {}, html_options = {})
       # that was defined in the struct.
       blank_option.instance_eval('undef to_s', __FILE__, __LINE__) if method.to_s == 'to_s' || id.to_s == 'to_s'
       array.insert(0, blank_option)
+      html_options['data-placeholder'] = blank_value || html_options['placeholder']
+    elsif html_options[:placeholder]
+      html_options['data-placeholder'] = html_options.delete(:placeholder)
     end
 
     select_options[:disabled] = '' if select_options[:disabled] == include_blank
@@ -127,7 +130,9 @@ def select_f(f, attr, array, id, method, select_options = {}, html_options = {})
     html_options[:size] = 'col-md-10' if html_options[:multiple]
     field(f, attr, html_options) do
       addClass html_options, "form-control"
-
+      if include_blank.is_a?(TrueClass)
+        addClass html_options, "include_blank"
+      end
       collection_select = f.collection_select(attr, array, id, method, select_options, html_options)
 
       if disable_button
diff --git a/bundler.d/assets.rb b/bundler.d/assets.rb
index 606f604cc45..cd60de58e7e 100644
--- a/bundler.d/assets.rb
+++ b/bundler.d/assets.rb
@@ -1,5 +1,5 @@
 group :assets do
-  gem 'jquery-ui-rails', '~> 6.0'
+  gem 'jquery-ui-rails', '~> 7.0'
   gem 'patternfly-sass', '~> 3.59.4'
   gem 'gettext_i18n_rails_js', '~> 1.4'
   gem 'po_to_json', '~> 1.1'
diff --git a/test/integration/compute_profile_js_test.rb b/test/integration/compute_profile_js_test.rb
index 41233fa6d60..4f08f703ced 100644
--- a/test/integration/compute_profile_js_test.rb
+++ b/test/integration/compute_profile_js_test.rb
@@ -38,10 +38,10 @@ class ComputeProfileJSTest < IntegrationTestWithJavascript
     click_link("amazon123 (eu-west-1-EC2)")
 
     assert page.has_selector?('.pf-c-page__main-breadcrumb .active', :text => compute_profiles(:one).name), "#{compute_profiles(:one).name} was expected in the breadcrumb active, but was not found"
-    selected_profile = find("#s2id_compute_attribute_compute_profile_id .select2-chosen").text
+    selected_profile = select2_chosen_selector('compute_attribute_compute_profile_id').text
     assert_equal compute_profiles(:one).name, selected_profile
 
-    selected_compute = find("#s2id_compute_attribute_compute_resource_id .select2-chosen").text
+    selected_compute = select2_chosen_selector('compute_attribute_compute_resource_id').text
     assert_equal "amazon123 (eu-west-1-EC2)", selected_compute
 
     click_button('Submit')
@@ -54,7 +54,7 @@ class ComputeProfileJSTest < IntegrationTestWithJavascript
     fill_in('compute_profile_name', :with => 'test')
     click_on("Submit")
     assert click_link(compute_resources(:ovirt).to_s)
-    selected_profile = find("#s2id_compute_attribute_compute_profile_id .select2-chosen").text
+    selected_profile = select2_chosen_selector('compute_attribute_compute_profile_id').text
     assert select2('hwp_small', :from => 'compute_attribute_vm_attrs_template')
     wait_for_ajax
     assert click_button("Submit")
diff --git a/test/integration/host_js_test.rb b/test/integration/host_js_test.rb
index 1f0b6aca8ef..65cc933845e 100644
--- a/test/integration/host_js_test.rb
+++ b/test/integration/host_js_test.rb
@@ -292,7 +292,8 @@ class HostJSTest < IntegrationTestWithJavascript
       wait_for_ajax
       click_on_inherit('compute_resource')
       select2(overridden_hostgroup.name, :from => 'host_hostgroup_id')
-      assert page.find('#s2id_host_compute_resource_id .select2-chosen').has_text? overridden_hostgroup.compute_resource.name
+      wait_for_ajax
+      assert page.find(select2_selector('host_compute_resource_id'), visible: false, wait: 10).ancestor('.select2-container').has_text? overridden_hostgroup.compute_resource.name
     end
 
     test 'choosing a hostgroup with compute resource works' do
@@ -712,8 +713,7 @@ class HostJSTest < IntegrationTestWithJavascript
   private
 
   def subnet_and_domain_are_selected(modal, domain)
-    modal.assert_selector("#interfaceModal #s2id_host_interfaces_attributes_0_domain_id .select2-chosen",
-      text: domain.name)
+    assert select2_chosen_selector('host_interfaces_attributes_0_domain_id').has_text? domain.name
     modal.assert_selector('#interfaceModal #host_interfaces_attributes_0_subnet_id option',
       visible: false,
       count: domain.subnets.count + 1) # plus one empty
diff --git a/test/integration/provisioning_template_js_test.rb b/test/integration/provisioning_template_js_test.rb
index ec6b31ed773..ef7d0d4bfd9 100644
--- a/test/integration/provisioning_template_js_test.rb
+++ b/test/integration/provisioning_template_js_test.rb
@@ -16,14 +16,13 @@ class ProvisioningTemplateJSTest < IntegrationTestWithJavascript
 
     click_link 'Type'
     assert has_unchecked_field?('provisioning_template_snippet')
-    assert_equal template.template_kind.name, find("#s2id_provisioning_template_template_kind_id .select2-chosen").text
-
+    assert select2_chosen_selector('provisioning_template_template_kind_id').has_text? template.template_kind.name
     # check the type dropdown is hidden when snippet is checked
-    assert has_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_selector?(select2_selector('provisioning_template_template_kind_id'))
     find_field('provisioning_template_snippet').click
-    assert has_no_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_no_selector?(select2_selector('provisioning_template_template_kind_id'))
     find_field('provisioning_template_snippet').click
-    assert has_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_selector?(select2_selector('provisioning_template_template_kind_id'))
 
     assert_submit_button(provisioning_templates_path)
     assert page.has_link? 'updated template'
@@ -39,11 +38,11 @@ class ProvisioningTemplateJSTest < IntegrationTestWithJavascript
     assert has_checked_field?('provisioning_template_snippet')
 
     # check the type dropdown is visible when snippet is unchecked
-    assert has_no_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_no_selector?('#kind_selector')
     find_field('provisioning_template_snippet').click
-    assert has_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_selector?('#kind_selector')
     find_field('provisioning_template_snippet').click
-    assert has_no_selector?('#s2id_provisioning_template_template_kind_id')
+    assert has_no_selector?('#kind_selector')
 
     assert_submit_button(provisioning_templates_path)
     assert page.has_link? 'updated snippet'
diff --git a/test/integration/report_template_js_test.rb b/test/integration/report_template_js_test.rb
index 0b697190c3a..ed68810e2af 100644
--- a/test/integration/report_template_js_test.rb
+++ b/test/integration/report_template_js_test.rb
@@ -62,7 +62,7 @@ class ReportTemplateJSIntegrationTest < IntegrationTestWithJavascript
     output_options = ['CSV', 'JSON', 'YAML', 'HTML']
 
     visit generate_report_template_path(template)
-    find('#s2id_report_template_report_format').click
+    find(select2_selector('report_template_report_format')).click
 
     output_options.each { |opt| assert page.has_content? opt }
   end
@@ -71,10 +71,10 @@ class ReportTemplateJSIntegrationTest < IntegrationTestWithJavascript
     template = FactoryBot.create(:report_template)
 
     visit generate_report_template_path(template)
-    select = find('#s2id_report_template_report_format')
+    select = find(select2_selector('report_template_report_format'), visible: false).ancestor('.select2-container')
 
     assert select.text ''
-    assert select[:class].include?('select2-container-disabled'), true
+    assert select[:class].include?('select2-container--disabled'), true
   end
 
   test "should have correct generate_at field" do
diff --git a/test/integration/shared/host_finders.rb b/test/integration/shared/host_finders.rb
index d8b45c403fe..61a583113ae 100644
--- a/test/integration/shared/host_finders.rb
+++ b/test/integration/shared/host_finders.rb
@@ -54,7 +54,7 @@ def multiple_actions_div
   end
 
   def click_on_inherit(attribute, prefix: 'host_')
-    find("##{prefix}#{attribute}_id + .input-group-btn .btn").click
+    find("##{prefix}#{attribute}_id").ancestor('.input-group').find(".input-group-btn .btn").click
   end
 
   def current_hosts_path(*args)
diff --git a/test/integration/user_test.rb b/test/integration/user_test.rb
index 077938b3fa9..900ad505a62 100644
--- a/test/integration/user_test.rb
+++ b/test/integration/user_test.rb
@@ -26,8 +26,8 @@ class UserIntegrationTest < IntegrationTestWithJavascript
     visit users_path
     click_link "Create User"
     assert fill_in "user_login", :with => "new_user"
-    find("#s2id_user_auth_source_id").click
-    all(".select2-result-label").find do |result|
+    find(select2_selector('user_auth_source_id'), visible: false).ancestor('.select2-container').click
+    all(".select2-results__option").find do |result|
       result.text == 'INTERNAL'
     end.click
     assert click_button("Submit")
diff --git a/test/integration_test_helper.rb b/test/integration_test_helper.rb
index fd3c0ee6888..df472c73a7b 100644
--- a/test/integration_test_helper.rb
+++ b/test/integration_test_helper.rb
@@ -98,17 +98,29 @@ def fix_mismatches
     Organization.all_import_missing_ids
   end
 
+  def select2_selector(name)
+    "#select2-#{name}-container"
+  end
+
+  def select2_result_selector(name)
+    "#select2-#{name}-container .select2-results"
+  end
+
+  def select2_chosen_selector(name)
+    page.find(select2_selector(name), visible: false, wait: 10).ancestor('.select2-container')
+  end
+
   def select2(value, attrs)
-    find("#s2id_#{attrs[:from]}").click
-    wait_for { find('.select2-input').visible? rescue false }
-    wait_for { find(".select2-input").set(value) }
+    find(select2_selector(attrs[:from]), visible: false).ancestor('.select2-container').click
+    wait_for { find('.select2-search__field').visible? rescue false }
+    wait_for { find(".select2-search__field").set(value) }
     wait_for { find('.select2-results').visible? rescue false }
-    within ".select2-results" do
-      wait_for { find(".select2-results span", text: value).visible? rescue false }
-      find("span", text: value).click
+    within ".select2-results__options" do
+      wait_for { find(".select2-results__options li", text: value).visible? rescue false }
+      find("li", text: value).click
     end
     wait_for do
-      page.find("#s2id_#{attrs[:from]} .select2-chosen").has_text? value
+      select2_chosen_selector(attrs[:from]).has_text? value
     end
   end
 
diff --git a/webpack/assets/javascripts/foreman_auth_source.js b/webpack/assets/javascripts/foreman_auth_source.js
index 285ab0546d0..b8e0a2ce952 100644
--- a/webpack/assets/javascripts/foreman_auth_source.js
+++ b/webpack/assets/javascripts/foreman_auth_source.js
@@ -25,7 +25,7 @@ export function testConnection(item, url) {
       notify({ message, type: 'success' });
     },
     error({ responseText }) {
-      const error = $.parseJSON(responseText).message;
+      const error = JSON.parse(responseText).message;
       notify({ message: error, type: 'danger' });
     },
     complete(result) {
diff --git a/webpack/assets/javascripts/foreman_http_proxies.js b/webpack/assets/javascripts/foreman_http_proxies.js
index b07c6adae9d..2f8da6e7655 100644
--- a/webpack/assets/javascripts/foreman_http_proxies.js
+++ b/webpack/assets/javascripts/foreman_http_proxies.js
@@ -21,7 +21,7 @@ export function testConnection(item, url) {
       notify({ message: result.message, type: 'success' });
     },
     error(xhr) {
-      const error = $.parseJSON(xhr.responseText).message;
+      const error = JSON.parse(xhr.responseText).message;
 
       notify({ message: error, type: 'danger' });
     },
diff --git a/webpack/assets/javascripts/foreman_tools.js b/webpack/assets/javascripts/foreman_tools.js
index 5cb10eccc6f..3868bff3ea3 100644
--- a/webpack/assets/javascripts/foreman_tools.js
+++ b/webpack/assets/javascripts/foreman_tools.js
@@ -123,16 +123,19 @@ export function highlightTabErrors() {
   errorFields.parents('.tab-pane').each(function fn() {
     $(`a[href="#${this.id}"]`).addClass('tab-error');
   });
-  $('.tab-error')
-    .first()
-    .click();
-  $('.nav-pills .tab-error')
-    .first()
-    .click();
+  const firstTabError = document.querySelector('.tab-error');
+  if (firstTabError) {
+    $(firstTabError).tab('show');
+  }
+  const firstNestedTabError = document.querySelector('.nav-pills .tab-error');
+  if (firstNestedTabError) {
+    $(firstNestedTabError).tab('show');
+  }
+
   errorFields
     .first()
     .find('.form-control')
-    .focus();
+    .trigger('focus');
 }
 
 export const loadPluginModule = async (url, scope, module, plugin = true) => {
diff --git a/webpack/assets/javascripts/foreman_users.js b/webpack/assets/javascripts/foreman_users.js
index d4b6a42b9a5..2da22ae8441 100644
--- a/webpack/assets/javascripts/foreman_users.js
+++ b/webpack/assets/javascripts/foreman_users.js
@@ -1,3 +1,4 @@
+/* eslint-disable jquery/no-trigger */
 /* eslint-disable jquery/no-toggle */
 /* eslint-disable jquery/no-ajax */
 /* eslint-disable jquery/no-hide */
@@ -11,7 +12,7 @@ import { notify } from './foreman_toast_notifications';
 
 export function initInheritedRoles() {
   $('#inherited-roles .dropdown-menu a')
-    .click(({ target }) => {
+    .on('click', ({ target }) => {
       $('#roles_tab li').hide();
       $(`#roles_tab li[data-id = '${target.getAttribute('data-id')}']`).show();
       $(target)
@@ -20,7 +21,7 @@ export function initInheritedRoles() {
         .html(`${escape(target.text)} <span class="caret"></span>`);
     })
     .first()
-    .click();
+    .trigger('click');
 }
 
 function getSelectValues({ options = [] }) {
diff --git a/webpack/assets/javascripts/hosts/tableCheckboxes.js b/webpack/assets/javascripts/hosts/tableCheckboxes.js
index 56121c4ff69..d360d048166 100644
--- a/webpack/assets/javascripts/hosts/tableCheckboxes.js
+++ b/webpack/assets/javascripts/hosts/tableCheckboxes.js
@@ -64,7 +64,7 @@ function rmHostId(id) {
 function readFromCookie() {
   try {
     const r = Cookies.get(cookieName);
-    if (r) return $.parseJSON(r);
+    if (r) return JSON.parse(r);
     return [];
   } catch (err) {
     removeForemanHostsCookie();