diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb
index 2760096e44098391933312c394262ab720620697..66c2149d447b38324a0ab19022965e243b336dc8 100644
--- a/app/controllers/projects/issues_controller.rb
+++ b/app/controllers/projects/issues_controller.rb
@@ -19,11 +19,8 @@ class Projects::IssuesController < Projects::ApplicationController
   before_action :disable_query_limiting, only: [:create_merge_request, :move, :bulk_update]
   before_action :check_issues_available!
   before_action :issue, unless: ->(c) { ISSUES_EXCEPT_ACTIONS.include?(c.action_name.to_sym) }
-  before_action :redirect_if_work_item, unless: ->(c) { work_item_redirect_except_actions.include?(c.action_name.to_sym) }
   before_action :require_incident_for_incident_routes, only: :show
 
-  after_action :log_issue_show, only: :show
-
   before_action :set_issuables_index, if: ->(c) {
     SET_ISSUABLES_INDEX_ONLY_ACTIONS.include?(c.action_name.to_sym) && !index_html_request?
   }
@@ -31,6 +28,9 @@ class Projects::IssuesController < Projects::ApplicationController
     SET_ISSUABLES_INDEX_ONLY_ACTIONS.include?(c.action_name.to_sym) && !index_html_request? && params[:search].present?
   }
 
+  before_action :redirect_if_work_item, unless: ->(c) { work_item_redirect_except_actions.include?(c.action_name.to_sym) }
+  before_action :redirect_index_to_work_items, only: :index
+
   # Allow write(create) issue
   before_action :authorize_create_issue!, only: [:new, :create]
 
@@ -72,6 +72,8 @@ class Projects::IssuesController < Projects::ApplicationController
     push_frontend_feature_flag(:work_items_view_preference, current_user)
   end
 
+  after_action :log_issue_show, only: :show
+
   around_action :allow_gitaly_ref_name_caching, only: [:discussions]
 
   respond_to :html
@@ -474,6 +476,13 @@ def redirect_if_work_item
     redirect_to project_work_item_path(project, issue.iid, params: request.query_parameters)
   end
 
+  def redirect_index_to_work_items
+    return unless index_html_request? && ::Feature.enabled?(:work_item_planning_view, project.group)
+
+    params = request.query_parameters.except("type").merge('type[]' => 'issue')
+    redirect_to project_work_items_path(project, params: params)
+  end
+
   def require_incident_for_incident_routes
     return unless params[:incident_tab].present?
     return if issue.work_item_type&.incident?
diff --git a/ee/spec/features/issues/blocking_issues_spec.rb b/ee/spec/features/issues/blocking_issues_spec.rb
index 0dbd94ef156a085ae35e4abddc9a11776d494793..0041500036cc344213b17c6a4f48146b6d54af5f 100644
--- a/ee/spec/features/issues/blocking_issues_spec.rb
+++ b/ee/spec/features/issues/blocking_issues_spec.rb
@@ -11,6 +11,11 @@
   let_it_be(:issue2) { build(:issue, project: project, created_at: 3.days.ago, title: 'blocks two issues') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     visit project_issues_path(project)
   end
 
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_by_custom_fields_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_by_custom_fields_spec.rb
index 8487a5a10cab42e37e9e9f40576c963f820b5ab5..fd215e54ffd1c05ad39832cd95846dfc2e33e683 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_by_custom_fields_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_by_custom_fields_spec.rb
@@ -20,6 +20,11 @@
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
   end
 
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_by_health_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_by_health_spec.rb
index 3890239993bff49941ba183223f892a3a733a8ec..5d933181f3607688a391ea6140f930a5f781eb54 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_by_health_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_by_health_spec.rb
@@ -51,6 +51,11 @@ def expect_issues_list_to_not_contain(issues)
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     stub_licensed_features(issuable_health_status: true)
     project.add_maintainer(user)
     sign_in(user)
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_by_iteration_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_by_iteration_spec.rb
index b2bf9238349002ce11985cdd21b4bc0bc8ae14de..84a85b231d23d5379077ff6bab6a5c26f6c11341 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_by_iteration_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_by_iteration_spec.rb
@@ -20,6 +20,13 @@
   let_it_be(:iteration_2_issue) { create(:issue, project: project, iteration: iteration_2) }
   let_it_be(:no_iteration_issue) { create(:issue, project: project) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples 'filters by iteration' do
     context 'when iterations are not available' do
       before do
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_by_multiple_assignees_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_by_multiple_assignees_spec.rb
index d2cbd59c34f0d552e3fdfd8bd85266eb1028a417..5e5ed5358fd3c9067aba2aaacf2889d6a334ec28 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_by_multiple_assignees_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_by_multiple_assignees_spec.rb
@@ -17,6 +17,11 @@
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
     visit project_issues_path(project)
   end
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_epic_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_epic_spec.rb
index 3f0d0be9510cb146fb4c96ecbaa6c728e47b312f..73e2f71e405840f351b344967415750097cfeb2d 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_epic_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_epic_spec.rb
@@ -62,6 +62,11 @@
 
   context 'when project issues list page' do
     before do
+      # TODO: When removing the feature flag,
+      # we won't need the tests for the issues listing page, since we'll be using
+      # the work items listing page.
+      stub_feature_flags(work_item_planning_view: false)
+
       visit project_issues_path(project)
     end
 
diff --git a/ee/spec/features/issues/filtered_search/filter_issues_weight_spec.rb b/ee/spec/features/issues/filtered_search/filter_issues_weight_spec.rb
index 55c8bf6ba865473eeb81fbb0793b467180ed1066..0747a83c13c34cd92d46cb569404d29e615c972b 100644
--- a/ee/spec/features/issues/filtered_search/filter_issues_weight_spec.rb
+++ b/ee/spec/features/issues/filtered_search/filter_issues_weight_spec.rb
@@ -22,6 +22,11 @@ def expect_issues_list_count(open_count, closed_count = 0)
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/ee/spec/features/issues/user_bulk_edits_issues_spec.rb b/ee/spec/features/issues/user_bulk_edits_issues_spec.rb
index f22d253571b94e4f595f5364ca69371f6fd4a0ba..4f33c4b716aa1bc337e130e108d741c28e4b49ed 100644
--- a/ee/spec/features/issues/user_bulk_edits_issues_spec.rb
+++ b/ee/spec/features/issues/user_bulk_edits_issues_spec.rb
@@ -19,6 +19,13 @@
   let!(:issue2) { create(:issue, project: project, title: "Issue 2") }
   let!(:issue3) { create(:issue, project: project_without_group, title: "Issue 3") }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples 'bulk edit option in sidebar' do |context|
     it 'is present when bulk edit is enabled' do
       enable_bulk_update(context)
diff --git a/ee/spec/features/issues/user_sees_empty_state_spec.rb b/ee/spec/features/issues/user_sees_empty_state_spec.rb
index a10a6f4e43d1591681e8199adcc32e19aaaaef6e..bcac9a8f265083a68a219ff94e7f9b87b036e706 100644
--- a/ee/spec/features/issues/user_sees_empty_state_spec.rb
+++ b/ee/spec/features/issues/user_sees_empty_state_spec.rb
@@ -6,6 +6,13 @@
   let_it_be(:project) { create(:project, :public) }
   let_it_be(:auditor) { create(:user, auditor: true) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples 'empty state' do |expect_button|
     it "shows empty state #{expect_button ? 'with' : 'without'} \"New issue\" button" do
       visit project_issues_path(project)
diff --git a/ee/spec/features/issues/user_views_issues_spec.rb b/ee/spec/features/issues/user_views_issues_spec.rb
index dc3c6eeef98af8937b0d1fbfecbda2f86a42bdf7..49655531053f84fa7f9ba7d19112185f55c43849 100644
--- a/ee/spec/features/issues/user_views_issues_spec.rb
+++ b/ee/spec/features/issues/user_views_issues_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:issue3) { create(:issue, project: project, health_status: 'at_risk') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     stub_licensed_features(blocked_issues: true, issuable_health_status: true, issue_weights: true)
     sign_in(user)
     visit project_issues_path(project)
diff --git a/ee/spec/features/learn_gitlab_spec.rb b/ee/spec/features/learn_gitlab_spec.rb
index c2d53a82ec620238fdea7a349d493916e129e023..a7d72ee7131c858d587a00c8384e1ea5a2427c68 100644
--- a/ee/spec/features/learn_gitlab_spec.rb
+++ b/ee/spec/features/learn_gitlab_spec.rb
@@ -10,6 +10,13 @@
     let_it_be(:namespace) { create(:group, owners: user) }
     let_it_be(:project) { create(:project, namespace: namespace) }
 
+    before do
+      # TODO: When removing the feature flag,
+      # we won't need the tests for the issues listing page, since we'll be using
+      # the work items listing page.
+      stub_feature_flags(work_item_planning_view: false)
+    end
+
     context 'with completed links' do
       before do
         yesterday = Date.yesterday
diff --git a/ee/spec/features/work_items/okr_spec.rb b/ee/spec/features/work_items/okr_spec.rb
index 2a17c004010f8093666be7df5ef94d04a060e19b..4298d4f7fcb85929aaa75b5eadcc51f2005df765 100644
--- a/ee/spec/features/work_items/okr_spec.rb
+++ b/ee/spec/features/work_items/okr_spec.rb
@@ -26,6 +26,11 @@
 
     stub_licensed_features(okrs: true, issuable_health_status: true)
     stub_feature_flags(work_items: true, okrs_mvc: true)
+
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
   end
 
   describe 'creating objective from issues list' do
diff --git a/ee/spec/requests/projects/issues_controller_spec.rb b/ee/spec/requests/projects/issues_controller_spec.rb
index 58f574b043bf0fb96e8763025edf9bd238765885..3bdc3f7bb4daf8c83da50f5b497667869fc0f93d 100644
--- a/ee/spec/requests/projects/issues_controller_spec.rb
+++ b/ee/spec/requests/projects/issues_controller_spec.rb
@@ -120,60 +120,67 @@ def get_show
   end
 
   describe 'GET #index' do
-    context 'when viewing all issues' do
-      include_examples 'seat count alert' do
-        subject { get project_issues_path(project, params: {}) }
+    let_it_be(:current_user) { create(:user) }
+    let_it_be(:project) { create(:project, group: group, developers: [user]) }
+    let_it_be(:issues) { create_list(:issue, 5, project: project, due_date: Date.current) }
+    let(:params) { {} }
 
-        let(:namespace) { project }
+    subject(:get_index) { get project_issues_path(project, params: params) }
 
-        before do
-          project.add_developer(user)
-        end
+    context 'when work_item_planning_view is disabled' do
+      before do
+        stub_feature_flags(work_item_planning_view: false)
       end
-    end
-
-    context 'when filtering by custom field' do
-      include_context 'with group configured with custom fields'
 
-      let_it_be(:current_user) { create(:user) }
-      let_it_be(:project) { create(:project, group: group, developers: [user]) }
-      let_it_be(:issues) { create_list(:issue, 5, project: project, due_date: Date.current) }
+      context 'when viewing all issues' do
+        include_examples 'seat count alert' do
+          let(:namespace) { project }
 
-      before_all do
-        create(:work_item_select_field_value, work_item_id: issues[0].id, custom_field: select_field,
-          custom_field_select_option: select_option_1)
-        create(:work_item_select_field_value, work_item_id: issues[1].id, custom_field: select_field,
-          custom_field_select_option: select_option_2)
-        create(:work_item_select_field_value, work_item_id: issues[2].id, custom_field: select_field,
-          custom_field_select_option: select_option_2)
+          before do
+            project.add_developer(user)
+          end
+        end
       end
 
-      before do
-        stub_licensed_features(custom_fields: true)
-      end
+      context 'when filtering by custom field' do
+        include_context 'with group configured with custom fields'
+
+        before_all do
+          create(:work_item_select_field_value, work_item_id: issues[0].id, custom_field: select_field,
+            custom_field_select_option: select_option_1)
+          create(:work_item_select_field_value, work_item_id: issues[1].id, custom_field: select_field,
+            custom_field_select_option: select_option_2)
+          create(:work_item_select_field_value, work_item_id: issues[2].id, custom_field: select_field,
+            custom_field_select_option: select_option_2)
+        end
 
-      context 'when requesting RSS feed' do
-        it 'returns issues filtered by the custom field value' do
-          get project_issues_path(project, format: :atom, custom_field: { select_field.id => select_option_2.id })
+        before do
+          stub_licensed_features(custom_fields: true)
+        end
 
-          expect(response).to have_gitlab_http_status(:ok)
+        context 'when requesting RSS feed' do
+          it 'returns issues filtered by the custom field value' do
+            get project_issues_path(project, format: :atom, custom_field: { select_field.id => select_option_2.id })
 
-          issue_titles = Nokogiri::XML(response.body).css('feed entry title').map(&:text)
-          expect(issue_titles).to contain_exactly(issues[1].title, issues[2].title)
+            expect(response).to have_gitlab_http_status(:ok)
+
+            issue_titles = Nokogiri::XML(response.body).css('feed entry title').map(&:text)
+            expect(issue_titles).to contain_exactly(issues[1].title, issues[2].title)
+          end
         end
-      end
 
-      context 'when requesting calendar feed' do
-        it 'returns issues filtered by the custom field value' do
-          get project_issues_path(project, format: :ics, custom_field: { select_field.id => select_option_2.id })
+        context 'when requesting calendar feed' do
+          it 'returns issues filtered by the custom field value' do
+            get project_issues_path(project, format: :ics, custom_field: { select_field.id => select_option_2.id })
 
-          expect(response).to have_gitlab_http_status(:ok)
+            expect(response).to have_gitlab_http_status(:ok)
 
-          event_titles = response.body.split("\r\n").filter { |s| s.start_with?('SUMMARY:') }
-          expect(event_titles).to contain_exactly(
-            "SUMMARY:#{issues[1].title} (in #{project.full_path})",
-            "SUMMARY:#{issues[2].title} (in #{project.full_path})"
-          )
+            event_titles = response.body.split("\r\n").filter { |s| s.start_with?('SUMMARY:') }
+            expect(event_titles).to contain_exactly(
+              "SUMMARY:#{issues[1].title} (in #{project.full_path})",
+              "SUMMARY:#{issues[2].title} (in #{project.full_path})"
+            )
+          end
         end
       end
     end
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index e3cec83ed608281a9456d0ffeabb4a42fdf64f8b..0617a536abd3f9a769c891a887d71220215c1480 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -37,11 +37,23 @@
       end
 
       context 'when GitLab issues enabled' do
-        it 'renders the "index" template' do
+        it 'redirects to work items index page' do
           get :index, params: { namespace_id: project.namespace, project_id: project }
 
-          expect(response).to have_gitlab_http_status(:ok)
-          expect(response).to render_template(:index)
+          expect(response).to redirect_to(project_work_items_path(project, 'type[]' => 'issue'))
+        end
+
+        context 'when work_item_planning_view: false' do
+          before do
+            stub_feature_flags(work_item_planning_view: false)
+          end
+
+          it 'renders the "index" template' do
+            get :index, params: { namespace_id: project.namespace, project_id: project }
+
+            expect(response).to have_gitlab_http_status(:ok)
+            expect(response).to render_template(:index)
+          end
         end
       end
 
@@ -77,14 +89,26 @@
         project.add_developer(user)
       end
 
-      it_behaves_like 'set sort order from user preference' do
-        let(:sorting_param) { 'updated_asc' }
+      it 'redirects to work items index page' do
+        get :index, params: { namespace_id: project.namespace, project_id: project }
+
+        expect(response).to redirect_to(project_work_items_path(project, 'type[]' => 'issue'))
       end
 
-      it "returns index" do
-        get :index, params: { namespace_id: project.namespace, project_id: project }
+      context 'when work_item_planning_view: false' do
+        before do
+          stub_feature_flags(work_item_planning_view: false)
+        end
 
-        expect(response).to have_gitlab_http_status(:ok)
+        it "returns index" do
+          get :index, params: { namespace_id: project.namespace, project_id: project }
+
+          expect(response).to have_gitlab_http_status(:ok)
+        end
+
+        it_behaves_like 'set sort order from user preference' do
+          let(:sorting_param) { 'updated_asc' }
+        end
       end
 
       it "returns 301 if request path doesn't match project path" do
diff --git a/spec/features/abuse_report_spec.rb b/spec/features/abuse_report_spec.rb
index 407a0507c95b35ca02dc2ee76d17a608e8ae6f34..40f299b5947c2c64aa17f50b6e3969f9a5bc951c 100644
--- a/spec/features/abuse_report_spec.rb
+++ b/spec/features/abuse_report_spec.rb
@@ -11,6 +11,11 @@
   let_it_be(:issue) { create(:issue, project: project, author: abusive_user) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(reporter1)
   end
 
diff --git a/spec/features/breadcrumbs_schema_markup_spec.rb b/spec/features/breadcrumbs_schema_markup_spec.rb
index ca4a8e8ab864b9a3474b3a4827ef17667056ec23..789356b96744c24107717fb3d3d7bb5af4079c97 100644
--- a/spec/features/breadcrumbs_schema_markup_spec.rb
+++ b/spec/features/breadcrumbs_schema_markup_spec.rb
@@ -12,6 +12,13 @@
   let_it_be(:wiki_home_page) { create(:wiki_page, project: project, title: 'home') }
   let_it_be(:wiki_sub_page) { create(:wiki_page, project: project, title: 'home/subpage') }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   it 'generates the breadcrumb schema for user projects' do
     visit project_url(project)
 
diff --git a/spec/features/callouts/registration_enabled_spec.rb b/spec/features/callouts/registration_enabled_spec.rb
index 89bd91f8018e0ea74fea827a3677f3b17283bc5a..d2dcc231a64663eb3358591c56cb7eed87115538 100644
--- a/spec/features/callouts/registration_enabled_spec.rb
+++ b/spec/features/callouts/registration_enabled_spec.rb
@@ -34,6 +34,10 @@
       end
 
       it 'does not display callout on pages other than root, admin, or dashboard' do
+        # TODO: When removing the feature flag,
+        # we won't need the tests for the issues listing page, since we'll be using
+        # the work items listing page.
+        stub_feature_flags(work_item_planning_view: false)
         visit project_issues_path(project)
 
         expect(page).not_to have_content callout_title
diff --git a/spec/features/canonical_link_spec.rb b/spec/features/canonical_link_spec.rb
index 988c5f399f5e0c20520b7835ac6b9efff9f34677..c29c937cfbb00a5fbf8a2c41f2ddc98bc014b6ff 100644
--- a/spec/features/canonical_link_spec.rb
+++ b/spec/features/canonical_link_spec.rb
@@ -13,6 +13,11 @@
   let_it_be(:project_request) { project_url(project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
   end
 
diff --git a/spec/features/dashboard/issues_filter_spec.rb b/spec/features/dashboard/issues_filter_spec.rb
index 0ef946322b78261e6d3bd79a6a3b00a6256587d4..3a9a0ea68e366675e179c13ad4f124676ff20d3b 100644
--- a/spec/features/dashboard/issues_filter_spec.rb
+++ b/spec/features/dashboard/issues_filter_spec.rb
@@ -19,6 +19,11 @@
   let_it_be(:label2) { create(:label, title: 'bug') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.labels << label
     project2.labels << label2
     project.add_maintainer(user)
diff --git a/spec/features/groups/empty_states_spec.rb b/spec/features/groups/empty_states_spec.rb
index 99f99e1066557f502ffaa86b9c23b6a1749726a9..0d3baeed7b094ab55ee53643b8b10aa41926ec21 100644
--- a/spec/features/groups/empty_states_spec.rb
+++ b/spec/features/groups/empty_states_spec.rb
@@ -7,6 +7,11 @@
   let(:user) { create(:group_member, :developer, user: create(:user), group: group).user }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
   end
 
diff --git a/spec/features/ics/project_issues_spec.rb b/spec/features/ics/project_issues_spec.rb
index 418958c01770aaa44e9cf5f7005581440df15f0c..f4db341125bd1bdc5126d7f47c33314a86025b0d 100644
--- a/spec/features/ics/project_issues_spec.rb
+++ b/spec/features/ics/project_issues_spec.rb
@@ -22,6 +22,11 @@
     let!(:issue)    { create(:issue, author: user, assignees: [assignee], project: project) }
 
     before do
+      # TODO: When removing the feature flag,
+      # we won't need the tests for the issues listing page, since we'll be using
+      # the work items listing page.
+      stub_feature_flags(work_item_planning_view: false)
+
       project.add_developer(user)
     end
 
diff --git a/spec/features/incidents/incident_details_spec.rb b/spec/features/incidents/incident_details_spec.rb
index 74c063e74dfbf383bc236a4398f45d98ef0c6ad3..ea7e230568f10871859948453a3a8a0411a0aff4 100644
--- a/spec/features/incidents/incident_details_spec.rb
+++ b/spec/features/incidents/incident_details_spec.rb
@@ -22,6 +22,11 @@
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(developer)
   end
 
diff --git a/spec/features/incidents/user_views_incident_spec.rb b/spec/features/incidents/user_views_incident_spec.rb
index 85761c393b030702f9e5fbf6efb49cc3fc744157..36764ef433882611e323edf09b5a3cbd872cc136 100644
--- a/spec/features/incidents/user_views_incident_spec.rb
+++ b/spec/features/incidents/user_views_incident_spec.rb
@@ -12,6 +12,11 @@
   let(:incident) { create(:incident, project: project, description: description, author: author) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
 
     visit(incident_project_issues_path(project, incident))
diff --git a/spec/features/issuables/issuable_list_spec.rb b/spec/features/issuables/issuable_list_spec.rb
index 9cba924d2354829d9081acadd39ee47416aebf7f..91f9f59dc74b63d59165de597a04678e498d3606 100644
--- a/spec/features/issuables/issuable_list_spec.rb
+++ b/spec/features/issuables/issuable_list_spec.rb
@@ -9,6 +9,11 @@
   issuable_types = [:issue, :merge_request]
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_member(user, :developer)
     sign_in(user)
     issuable_types.each { |type| create_issuables(type) }
diff --git a/spec/features/issuables/sorting_list_spec.rb b/spec/features/issuables/sorting_list_spec.rb
index 29c4581bcb214c33f3bff98f4611b4fec005703d..c53094a5abbf6cf031a95032ac87948450cf8f05 100644
--- a/spec/features/issuables/sorting_list_spec.rb
+++ b/spec/features/issuables/sorting_list_spec.rb
@@ -13,6 +13,13 @@
   let(:first_updated_issuable) { issuables.order_updated_asc.first }
   let(:last_updated_issuable) { issuables.order_updated_desc.first }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context 'for merge requests' do
     include MergeRequestHelpers
 
diff --git a/spec/features/issue_rebalancing_spec.rb b/spec/features/issue_rebalancing_spec.rb
index 3933f0ffcf8b25547fc2bc7263b922e1906b6908..d39e1cf36971a2461cf4efd54634790cc4fc0556 100644
--- a/spec/features/issue_rebalancing_spec.rb
+++ b/spec/features/issue_rebalancing_spec.rb
@@ -19,6 +19,11 @@
     before do
       sign_in(user)
 
+      # TODO: When removing the feature flag,
+      # we won't need the tests for the issues listing page, since we'll be using
+      # the work items listing page.
+      stub_feature_flags(work_item_planning_view: false)
+
       stub_feature_flags(block_issue_repositioning: true)
     end
 
diff --git a/spec/features/issues/csv_spec.rb b/spec/features/issues/csv_spec.rb
index a8dc90fa807362e4a1cbd75aa336884cde7513e8..e9f75bc3da0a24e886121f30445401f90fd4906e 100644
--- a/spec/features/issues/csv_spec.rb
+++ b/spec/features/issues/csv_spec.rb
@@ -12,6 +12,11 @@
   let!(:issue) { create(:issue, project: project, author: user) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
     visit project_issues_path(project)
   end
diff --git a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
index 852a5d7bd365c77f48cf0fd13663c9e4131175a4..7425886183a3b4b94193cc408b34c7d49f34e253 100644
--- a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
@@ -9,6 +9,13 @@
   let_it_be(:user) { create(:user) }
   let_it_be(:issue) { create(:issue, project: project) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe 'behavior' do
     before do
       project.add_maintainer(user)
diff --git a/spec/features/issues/filtered_search/dropdown_author_spec.rb b/spec/features/issues/filtered_search/dropdown_author_spec.rb
index d1171ea9ec8578efa792eb57da4a5b9b177b1469..227da0f2f1c03c93463a4f318dbfa28fdb0c1ad2 100644
--- a/spec/features/issues/filtered_search/dropdown_author_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_author_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_base_spec.rb b/spec/features/issues/filtered_search/dropdown_base_spec.rb
index 9108a966cd38f6a5dbb4b85cc51090e3102e49d4..64bcd38ae50172e8b15023ffb4a2fa348914d44d 100644
--- a/spec/features/issues/filtered_search/dropdown_base_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_base_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
index 0ea4b7224d670a62815cc7dfc5b99408d9cab9ca..b05135c5ae583b89a54734fc96daac312b058da3 100644
--- a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
@@ -11,6 +11,11 @@
   let_it_be(:award_emoji_star) { create(:award_emoji, name: 'star', user: user, awardable: issue) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     create_list(:award_emoji, 2, user: user, name: AwardEmoji::THUMBS_UP)
     create_list(:award_emoji, 1, user: user, name: AwardEmoji::THUMBS_DOWN)
diff --git a/spec/features/issues/filtered_search/dropdown_hint_spec.rb b/spec/features/issues/filtered_search/dropdown_hint_spec.rb
index 41794833d26b7200955f7195efca3f3fb59ca64c..5a826cfaee96fc9efe5b730bbfec11393952d36b 100644
--- a/spec/features/issues/filtered_search/dropdown_hint_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_hint_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
   end
 
diff --git a/spec/features/issues/filtered_search/dropdown_label_spec.rb b/spec/features/issues/filtered_search/dropdown_label_spec.rb
index 4a4be7efa3da83bc89ae40da1cb53f9a113e5a4b..195b270a922d9a4fce7226a34a526474073509b1 100644
--- a/spec/features/issues/filtered_search/dropdown_label_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_label_spec.rb
@@ -11,6 +11,11 @@
   let_it_be(:label) { create(:label, project: project, title: 'bug-label') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
index d7c18171ab69b2180257298a501006791415752e..e7c1833a8532b8b016834296b73e72374914d619 100644
--- a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
@@ -12,6 +12,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_release_spec.rb b/spec/features/issues/filtered_search/dropdown_release_spec.rb
index ea153d815e5e9b66461dbbaf2c80e6727c587ab6..6f2abedd0e0bfa2b1cbe454f9de13ac03a4b4d48 100644
--- a/spec/features/issues/filtered_search/dropdown_release_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_release_spec.rb
@@ -12,6 +12,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/filter_issues_spec.rb b/spec/features/issues/filtered_search/filter_issues_spec.rb
index dd2d7f87ff5c17432da62c5fdc5b34cdff322c76..81b6b669bb635b718da6d3866cd6f98f6986e511 100644
--- a/spec/features/issues/filtered_search/filter_issues_spec.rb
+++ b/spec/features/issues/filtered_search/filter_issues_spec.rb
@@ -19,6 +19,11 @@ def expect_no_issues_list
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
 
     create(:issue, project: project, author: user2, title: "Bug report 1")
diff --git a/spec/features/issues/filtered_search/recent_searches_spec.rb b/spec/features/issues/filtered_search/recent_searches_spec.rb
index 4b36e7f295e58e1beacf646caa3677c473ec49b0..18fddcde2ffc14860b45d06688cd50b447baf8b0 100644
--- a/spec/features/issues/filtered_search/recent_searches_spec.rb
+++ b/spec/features/issues/filtered_search/recent_searches_spec.rb
@@ -13,6 +13,11 @@
   let(:project_1_local_storage_key) { "#{project_1.full_path}-issue-recent-searches" }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     # Visit any fast-loading page so we can clear local storage without a DOM exception
     visit '/404'
     remove_recent_searches
diff --git a/spec/features/issues/filtered_search/search_bar_spec.rb b/spec/features/issues/filtered_search/search_bar_spec.rb
index 35c099b29aaa1564e50a2f352627837befa34d1d..c98dffeae3587a1208e940ce1b06a8cd86494e7e 100644
--- a/spec/features/issues/filtered_search/search_bar_spec.rb
+++ b/spec/features/issues/filtered_search/search_bar_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/visual_tokens_spec.rb b/spec/features/issues/filtered_search/visual_tokens_spec.rb
index d17bad8a1b05394348882a3b848123413fd62e6f..c47b63b2d6d95247dfb45c480f4ffabc7195c648 100644
--- a/spec/features/issues/filtered_search/visual_tokens_spec.rb
+++ b/spec/features/issues/filtered_search/visual_tokens_spec.rb
@@ -15,6 +15,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_member(user, :maintainer)
     project.add_member(user_rock, :maintainer)
     sign_in(user)
diff --git a/spec/features/issues/group_label_sidebar_spec.rb b/spec/features/issues/group_label_sidebar_spec.rb
index 41450ba33734dd2b02c4864d64bac4fcc82ecc4c..a52ab35f4a67d39e0b87382f6064a678356b728b 100644
--- a/spec/features/issues/group_label_sidebar_spec.rb
+++ b/spec/features/issues/group_label_sidebar_spec.rb
@@ -4,6 +4,11 @@
 
 RSpec.describe 'Group label on issue', :with_license, feature_category: :team_planning do
   it 'renders link to the project issues page', :js do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     group = create(:group)
     project = create(:project, :public, namespace: group)
     feature = create(:group_label, group: group, title: 'feature')
diff --git a/spec/features/issues/incident_issue_spec.rb b/spec/features/issues/incident_issue_spec.rb
index 805d6b76742fd7817309937840f8f8763735075c..82e9e69589619a12ca7182af6683c39575ff911c 100644
--- a/spec/features/issues/incident_issue_spec.rb
+++ b/spec/features/issues/incident_issue_spec.rb
@@ -24,6 +24,13 @@
   let_it_be(:alert) { create(:alert_management_alert, project: project, payload: payload, started_at: started_at) }
   let_it_be(:incident) { create(:incident, project: project, description: 'hello', alert_management_alert: alert) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context 'when user displays the incident' do
     before do
       project.add_developer(user)
diff --git a/spec/features/issues/issue_detail_spec.rb b/spec/features/issues/issue_detail_spec.rb
index ec1a0793e77c9181059d0c00fa14325d62a9e2dc..2dfe47cc2f99d3f210873b15b35778173056dd12 100644
--- a/spec/features/issues/issue_detail_spec.rb
+++ b/spec/features/issues/issue_detail_spec.rb
@@ -9,6 +9,13 @@
   let(:issue)    { create(:issue, project: project, author: user) }
   let(:incident) { create(:incident, project: project, author: user) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context 'when user displays the issue' do
     before do
       visit project_issue_path(project, issue)
diff --git a/spec/features/issues/rss_spec.rb b/spec/features/issues/rss_spec.rb
index 437fde956a249ae3b081bd4b94f453d4b4767043..8ca4969e43b880d58d78c6d3489382143d2699ef 100644
--- a/spec/features/issues/rss_spec.rb
+++ b/spec/features/issues/rss_spec.rb
@@ -9,6 +9,13 @@
   let_it_be(:path) { project_issues_path(project) }
   let_it_be(:issue) { create(:issue, project: project, assignees: [user]) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context 'when signed in' do
     let_it_be(:user) { create(:user) }
 
diff --git a/spec/features/issues/service_desk_spec.rb b/spec/features/issues/service_desk_spec.rb
index b7b5bf8621ce14b3289845d0ace21bc5afd159d6..4368dce99eab3f8935c1535df35e305b04b0f7a7 100644
--- a/spec/features/issues/service_desk_spec.rb
+++ b/spec/features/issues/service_desk_spec.rb
@@ -9,6 +9,11 @@
   let_it_be(:support_bot) { Users::Internal.support_bot }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     # The following two conditions equate to ServiceDesk.supported == true
     allow(Gitlab::Email::IncomingEmail).to receive(:enabled?).and_return(true)
     allow(Gitlab::Email::IncomingEmail).to receive(:supports_wildcard?).and_return(true)
diff --git a/spec/features/issues/user_bulk_edits_issues_labels_spec.rb b/spec/features/issues/user_bulk_edits_issues_labels_spec.rb
index 97353f940e8dd97f1367592243801a837021bf00..fd7c912ae4afc17181f6d524104d9b6be4ca3f2b 100644
--- a/spec/features/issues/user_bulk_edits_issues_labels_spec.rb
+++ b/spec/features/issues/user_bulk_edits_issues_labels_spec.rb
@@ -15,6 +15,13 @@
   let(:issue_1_selector) { "#issuable_#{issue1.id}" }
   let(:issue_2_selector) { "#issuable_#{issue2.id}" }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context 'as an allowed user', :js do
     before do
       project.add_maintainer(user)
diff --git a/spec/features/issues/user_bulk_edits_issues_spec.rb b/spec/features/issues/user_bulk_edits_issues_spec.rb
index 9a5f260e9e4e38ccd07dc3df93e7a290421b7a04..718fce806db953442d8334e350a1d7b630bc9067 100644
--- a/spec/features/issues/user_bulk_edits_issues_spec.rb
+++ b/spec/features/issues/user_bulk_edits_issues_spec.rb
@@ -10,6 +10,11 @@
   let!(:user)      { create(:user) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_maintainer(user)
     sign_in(user)
   end
diff --git a/spec/features/issues/user_creates_issue_by_email_spec.rb b/spec/features/issues/user_creates_issue_by_email_spec.rb
index d6d2b2a50f8953865b1e6b9ee8a4015964b2ef1c..8db23d02a9290a9e57428d36fede769d8ca8d784 100644
--- a/spec/features/issues/user_creates_issue_by_email_spec.rb
+++ b/spec/features/issues/user_creates_issue_by_email_spec.rb
@@ -7,6 +7,11 @@
   let_it_be(:project) { create(:project, :public) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
 
     project.add_developer(user)
diff --git a/spec/features/issues/user_creates_issue_spec.rb b/spec/features/issues/user_creates_issue_spec.rb
index 5abd02fb580fccefc93796c9d60e180acf2b9a88..55bea0a268154479fd07308b28000316d838c2f5 100644
--- a/spec/features/issues/user_creates_issue_spec.rb
+++ b/spec/features/issues/user_creates_issue_spec.rb
@@ -8,6 +8,13 @@
   let_it_be(:project) { create(:project_empty_repo, :public) }
   let_it_be(:user) { create(:user) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   context "when unauthenticated" do
     before do
       sign_out(:user)
diff --git a/spec/features/issues/user_filters_issues_spec.rb b/spec/features/issues/user_filters_issues_spec.rb
index 593b43698a2cfdd90656f85391716803249dcc7c..3554445769fcfa42a5cb8041ae6954f6fb5be2b5 100644
--- a/spec/features/issues/user_filters_issues_spec.rb
+++ b/spec/features/issues/user_filters_issues_spec.rb
@@ -7,6 +7,11 @@
   let_it_be(:project) { create(:project_empty_repo, :public) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need these tests for issues, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     %w[foobar barbaz].each do |title|
       create(
         :issue,
diff --git a/spec/features/issues/user_resets_their_incoming_email_token_spec.rb b/spec/features/issues/user_resets_their_incoming_email_token_spec.rb
index df6443a32b4a4a49e0e24089dc9d52005699d08a..9e4e60b54ff7eb6a0ac6bd2979fa66fd4fdfaa47 100644
--- a/spec/features/issues/user_resets_their_incoming_email_token_spec.rb
+++ b/spec/features/issues/user_resets_their_incoming_email_token_spec.rb
@@ -8,6 +8,11 @@
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     stub_incoming_email_setting(enabled: true, address: "p+%{key}@gl.ab")
     project.add_maintainer(user)
     sign_in(user)
diff --git a/spec/features/issues/user_sees_breadcrumb_links_spec.rb b/spec/features/issues/user_sees_breadcrumb_links_spec.rb
index 69be94a392cbae533f558331fdc9f28087b85f36..df77b7464f50eb2a10494b3e096779d2e9dbd626 100644
--- a/spec/features/issues/user_sees_breadcrumb_links_spec.rb
+++ b/spec/features/issues/user_sees_breadcrumb_links_spec.rb
@@ -8,6 +8,11 @@
   let(:user) { project.creator }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
     visit(new_project_issue_path(project))
   end
diff --git a/spec/features/issues/user_sees_empty_state_spec.rb b/spec/features/issues/user_sees_empty_state_spec.rb
index f51bafddf6901cd59e788fc2908d6b0e48ca31c0..3a857e980f237eea428d22512173ada144a08696 100644
--- a/spec/features/issues/user_sees_empty_state_spec.rb
+++ b/spec/features/issues/user_sees_empty_state_spec.rb
@@ -6,6 +6,13 @@
   let_it_be(:project) { create(:project, :public) }
   let_it_be(:user) { project.creator }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples_for 'empty state with filters' do
     it 'user sees empty state with filters' do
       create(:issue, author: user, project: project)
diff --git a/spec/features/issues/user_sorts_issues_spec.rb b/spec/features/issues/user_sorts_issues_spec.rb
index 5c6198785d0a09d26112627b6db0f229b493a32b..ee84e06157b41733cf8b1e39f3d7caf62ee9ec3d 100644
--- a/spec/features/issues/user_sorts_issues_spec.rb
+++ b/spec/features/issues/user_sorts_issues_spec.rb
@@ -17,6 +17,11 @@
   let_it_be(:later_due_milestone) { create(:milestone, project: project, due_date: '2013-12-12') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     create_list(:award_emoji, 2, :upvote, awardable: issue1)
     create_list(:award_emoji, 2, :downvote, awardable: issue2)
     create(:award_emoji, :downvote, awardable: issue1)
diff --git a/spec/features/issues/user_views_issues_spec.rb b/spec/features/issues/user_views_issues_spec.rb
index 83165c98437b34b3c1f7a81643b813b3500a1552..f8dc5ca1c9b00e95e26284842dab20aa699f6760 100644
--- a/spec/features/issues/user_views_issues_spec.rb
+++ b/spec/features/issues/user_views_issues_spec.rb
@@ -10,6 +10,13 @@
 
   let_it_be(:user) { create(:user) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples "opens issue from list" do
     it "opens issue" do
       click_link(issue.title)
diff --git a/spec/features/labels_hierarchy_spec.rb b/spec/features/labels_hierarchy_spec.rb
index 6f70c27127adf0800f98018df0fa213b763bb0ca..ef5a4be5914031476fec2b9e4fa9a02a0f981f0c 100644
--- a/spec/features/labels_hierarchy_spec.rb
+++ b/spec/features/labels_hierarchy_spec.rb
@@ -21,6 +21,11 @@
   let!(:project_label_1) { create(:label, project: project_1, title: 'Label_4') }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     grandparent.add_owner(user)
 
     sign_in(user)
diff --git a/spec/features/merge_requests/user_sorts_merge_requests_spec.rb b/spec/features/merge_requests/user_sorts_merge_requests_spec.rb
index 0d230519c85af650aa8bdccd70b5b9c801e3ed9f..e5a1673fe2ad7bac6587dccf5200061a912d2a63 100644
--- a/spec/features/merge_requests/user_sorts_merge_requests_spec.rb
+++ b/spec/features/merge_requests/user_sorts_merge_requests_spec.rb
@@ -17,6 +17,11 @@
   let_it_be(:project) { create(:project, :public, group: group) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
 
     visit(project_merge_requests_path(project))
diff --git a/spec/features/milestones/user_views_milestone_spec.rb b/spec/features/milestones/user_views_milestone_spec.rb
index ddb0eaae4d1ad96ed8187d8d0acc50889d83d0b1..ab8a7c8654ef44a7c4af14a7fbf548c8e0f5ba40 100644
--- a/spec/features/milestones/user_views_milestone_spec.rb
+++ b/spec/features/milestones/user_views_milestone_spec.rb
@@ -10,6 +10,11 @@
   let_it_be(:labels) { create_list(:label, 2, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
   end
 
diff --git a/spec/features/monitor_sidebar_link_spec.rb b/spec/features/monitor_sidebar_link_spec.rb
index 75e373a9dc4efcbb923544db812fbd75d303cf64..2764a38b8a2dd6a3d97a863197cb332c107b6447 100644
--- a/spec/features/monitor_sidebar_link_spec.rb
+++ b/spec/features/monitor_sidebar_link_spec.rb
@@ -9,6 +9,11 @@
   let(:role) { nil }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     project.add_role(user, role) if role
     sign_in(user)
 
diff --git a/spec/features/projects/labels/issues_sorted_by_priority_spec.rb b/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
index 4898bf253be8df221f8c061af7fadd1313417f01..e1c537e1f7884875aeb8c6a9906c55be42961674 100644
--- a/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
+++ b/spec/features/projects/labels/issues_sorted_by_priority_spec.rb
@@ -13,6 +13,13 @@
   let(:label_4) { create(:label, title: 'label_4', project: project, priority: 4) }
   let(:label_5) { create(:label, title: 'label_5', project: project) } # no priority
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   # According to https://gitlab.com/gitlab-org/gitlab-foss/issues/14189#note_4360653
   context 'when issues have one label', :js do
     it 'are sorted properly' do
diff --git a/spec/features/task_lists_spec.rb b/spec/features/task_lists_spec.rb
index 6ddc1aabc877b4aa4fc12c0e8c2ed312686d0a23..6d976fa79d80e2947b359c404d882141842cc3a7 100644
--- a/spec/features/task_lists_spec.rb
+++ b/spec/features/task_lists_spec.rb
@@ -39,6 +39,11 @@
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     sign_in(user)
   end
 
diff --git a/spec/features/work_items/redirect_from_issues_spec.rb b/spec/features/work_items/redirect_from_issues_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..2932c7c7e6497e44472e68fad938bafa159423ab
--- /dev/null
+++ b/spec/features/work_items/redirect_from_issues_spec.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Redirect from issues', :js, feature_category: :team_planning do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project, :public, group: group, developers: [user]) }
+
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
+  context 'for signed in user' do
+    before do
+      sign_in(user)
+    end
+
+    context 'when work_item_planning_view feature flag if disabled' do
+      before do
+        stub_feature_flags(work_item_planning_view: false)
+      end
+
+      it 'do not redirect to work items', :aggregate_failures do
+        visit project_issues_path(project)
+
+        expect(page).to have_current_path(project_issues_path(project))
+      end
+    end
+
+    context 'when work_item_planning_view feature flag if enabled' do
+      before do
+        stub_feature_flags(work_item_planning_view: true)
+      end
+
+      it 'redirects to work items', :aggregate_failures do
+        visit project_issues_path(project)
+
+        expect(page).to have_current_path(project_work_items_path(project, 'type[]': 'issue'))
+      end
+
+      context 'and the original request has a sorting parameter' do
+        it 'redirects to work items', :aggregate_failures do
+          visit project_issues_path(project, sort: 'updated_desc')
+
+          expect(page).to have_current_path(project_work_items_path(project, 'type[]': 'issue', sort: 'updated_desc'))
+        end
+      end
+    end
+  end
+end
diff --git a/spec/features/work_items/work_item_detail_spec.rb b/spec/features/work_items/work_item_detail_spec.rb
index 62369acced553154c2036a16cd5562423e174c2d..e6cd562dbea188039ef1f1aa4a611be6ab49b912 100644
--- a/spec/features/work_items/work_item_detail_spec.rb
+++ b/spec/features/work_items/work_item_detail_spec.rb
@@ -23,6 +23,13 @@
   let(:list_path) { project_issues_path(project) }
   let(:work_items_path) { project_work_item_path(project, work_item.iid) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   shared_examples 'change type action is not displayed' do
     it 'change type action is not displayed' do
       click_button _('More actions'), match: :first
diff --git a/spec/helpers/issuables_helper_spec.rb b/spec/helpers/issuables_helper_spec.rb
index d22e7b13aafc66ea95e44d17d1f8dfceaaed6ae6..1716242944aa33568bcf33ffb7a459963571779b 100644
--- a/spec/helpers/issuables_helper_spec.rb
+++ b/spec/helpers/issuables_helper_spec.rb
@@ -6,6 +6,13 @@
   let(:label)  { build_stubbed(:label) }
   let(:label2) { build_stubbed(:label) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe '#users_dropdown_label' do
     let(:user) { build_stubbed(:user) }
     let(:user2) { build_stubbed(:user) }
diff --git a/spec/helpers/issues_helper_spec.rb b/spec/helpers/issues_helper_spec.rb
index 8ac24a8d80d83bfc42e0d543b264563c3477fdfa..588e33fe30dce60b6c12a122465c7b254aecd4f2 100644
--- a/spec/helpers/issues_helper_spec.rb
+++ b/spec/helpers/issues_helper_spec.rb
@@ -10,6 +10,13 @@
   let_it_be(:project) { create(:project) }
   let_it_be_with_reload(:issue) { create(:issue, project: project) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe '#award_user_list' do
     it 'returns a comma-separated list of the first X users' do
       user = build_stubbed(:user, name: 'Joe')
diff --git a/spec/helpers/projects/alert_management_helper_spec.rb b/spec/helpers/projects/alert_management_helper_spec.rb
index d42aafbbf28cbb0797e1dcbfccaaf225a495b57d..f48e5d8500efe4d152d74b53d973c45c3a1dbaa8 100644
--- a/spec/helpers/projects/alert_management_helper_spec.rb
+++ b/spec/helpers/projects/alert_management_helper_spec.rb
@@ -11,6 +11,13 @@
   let(:project_path) { project.full_path }
   let(:project_id) { project.id }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe '#alert_management_data' do
     let(:user_can_enable_alert_management) { true }
     let(:setting_path) { project_settings_operations_path(project, anchor: 'js-alert-management-settings') }
diff --git a/spec/helpers/projects/error_tracking_helper_spec.rb b/spec/helpers/projects/error_tracking_helper_spec.rb
index 1ae595a5b10c7b2fc9cd7868af0c730ba457b22e..65475f4b7fa8a8aaa69fd780fc831c2eb6fa64ad 100644
--- a/spec/helpers/projects/error_tracking_helper_spec.rb
+++ b/spec/helpers/projects/error_tracking_helper_spec.rb
@@ -8,6 +8,13 @@
   let(:project) { build_stubbed(:project) }
   let(:current_user) { build_stubbed(:user) }
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe '#error_tracking_data' do
     let(:can_enable_error_tracking) { true }
     let(:setting_path) { project_settings_operations_path(project) }
diff --git a/spec/helpers/projects/incidents_helper_spec.rb b/spec/helpers/projects/incidents_helper_spec.rb
index e69e10f1b4eb7b41e3b653c93f57dd369dce128a..275ac2b80b7f1d8b0df7f2d74c9863c119cc91f7 100644
--- a/spec/helpers/projects/incidents_helper_spec.rb
+++ b/spec/helpers/projects/incidents_helper_spec.rb
@@ -19,6 +19,11 @@
   end
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     allow(helper).to receive(:current_user).and_return(user)
     allow(helper).to receive(:can?)
       .with(user, :create_incident, project)
diff --git a/spec/helpers/search_helper_spec.rb b/spec/helpers/search_helper_spec.rb
index 9104fdd500ba61a09c119752759ecb7db75ecad7..7dc3e4166971fc737a52efb4aede62139345a34d 100644
--- a/spec/helpers/search_helper_spec.rb
+++ b/spec/helpers/search_helper_spec.rb
@@ -6,6 +6,13 @@
   include MarkupHelper
   include BadgesHelper
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   # Override simple_sanitize for our testing purposes
   def simple_sanitize(str)
     str
diff --git a/spec/helpers/work_items_helper_spec.rb b/spec/helpers/work_items_helper_spec.rb
index d99e42ce23e6488bb82214954491efc379257469..93f2ac7617314bab8d5ee2180a334129a58daad5 100644
--- a/spec/helpers/work_items_helper_spec.rb
+++ b/spec/helpers/work_items_helper_spec.rb
@@ -5,6 +5,13 @@
 RSpec.describe WorkItemsHelper, feature_category: :team_planning do
   include Devise::Test::ControllerHelpers
 
+  before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+  end
+
   describe '#work_items_data' do
     describe 'with project context' do
       let_it_be(:project) { build(:project) }
diff --git a/spec/requests/projects/issues_controller_spec.rb b/spec/requests/projects/issues_controller_spec.rb
index 6c9b1966149282748cea391bf7fc88c379516bb0..44e2e6a8f077602d2c34ef31b9d4b8165b72bc8f 100644
--- a/spec/requests/projects/issues_controller_spec.rb
+++ b/spec/requests/projects/issues_controller_spec.rb
@@ -35,6 +35,77 @@
     end
   end
 
+  describe 'GET #index' do
+    before do
+      group.add_developer(user)
+      login_as(user)
+    end
+
+    let_it_be(:current_user) { create(:user) }
+    let_it_be(:project) { create(:project, group: group, developers: [user]) }
+    let_it_be(:issues) { create_list(:issue, 5, project: project, due_date: Date.current) }
+    let(:params) { {} }
+
+    subject(:get_index) { get project_issues_path(project, params: params) }
+
+    it 'redirects to work item listing page with correct type filter' do
+      get_index
+
+      expect(response).to redirect_to(project_work_items_path(project, 'type[]' => 'issue'))
+
+      follow_redirect!
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(response).to render_template('work_items/index')
+    end
+
+    context 'when params are set' do
+      let(:params) { { label_name: 'test', sort: 'updated_at' } }
+
+      it 'persists the params when redirecting' do
+        get_index
+
+        expect(response).to redirect_to(project_work_items_path(project, 'type[]' => 'issue',
+          label_name: 'test', sort: 'updated_at'
+        ))
+      end
+    end
+
+    context 'when type param is set' do
+      let(:params) { { 'type[]' => 'epic' } }
+
+      it 'overrides the existing param to issues' do
+        get_index
+
+        expect(response).to redirect_to(project_work_items_path(project, 'type[]' => 'issue'))
+      end
+    end
+
+    context 'when requesting RSS feed' do
+      it 'returns issues filtered by the custom field value' do
+        get project_issues_path(project, format: :atom)
+
+        expect(response).to have_gitlab_http_status(:ok)
+
+        issue_titles = Nokogiri::XML(response.body).css('feed entry title').map(&:text)
+        expect(issue_titles).to match_array(issues.map(&:title))
+      end
+    end
+
+    context 'when work_item_planning_view: false' do
+      before do
+        stub_feature_flags(work_item_planning_view: false)
+      end
+
+      it 'renders the page' do
+        get_index
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response).to render_template('issues/index')
+      end
+    end
+  end
+
   describe 'GET #discussions' do
     before do
       login_as(user)
diff --git a/spec/views/shared/milestones/_issuable.html.haml_spec.rb b/spec/views/shared/milestones/_issuable.html.haml_spec.rb
index a8e2d88ec0da4f762d447e039f4e37498242dd84..9c228833e3258c6eacfa62a4c0c67ba0bc0ec332 100644
--- a/spec/views/shared/milestones/_issuable.html.haml_spec.rb
+++ b/spec/views/shared/milestones/_issuable.html.haml_spec.rb
@@ -8,6 +8,11 @@
   let_it_be(:milestone) { create(:milestone, project: project) }
 
   before do
+    # TODO: When removing the feature flag,
+    # we won't need the tests for the issues listing page, since we'll be using
+    # the work items listing page.
+    stub_feature_flags(work_item_planning_view: false)
+
     assign(:project, project)
     assign(:milestone, milestone)
   end