chore: remove legacy Studio "howitworks" logged-out landing page

cms/djangoapps/contentstore/tests/test_contentstore.py

@@ -2142,12 +2142,13 @@ def _test_page(self, page, status_code=200):
         resp = self.client.get_html(page)
         self.assertEqual(resp.status_code, status_code)  # noqa: PT009
 
-    @override_waffle_flag(toggles.LEGACY_STUDIO_LOGGED_OUT_HOME, True)
-    def test_how_it_works_legacy(self):
-        self._test_page("/howitworks")
+    def test_homepage_redirects_to_home(self):
+        # Root URL permanently redirects to studio home (sign-in page).
+        self._test_page("/", 301)
 
-    def test_how_it_works_redirect_to_signin(self):
-        self._test_page("/howitworks", 302)
+    def test_howitworks_redirects_to_home(self):
+        # Legacy landing page permanently redirects; preserves bookmarks.
+        self._test_page("/howitworks", 301)
 
     def test_signup(self):
         # deprecated signup url redirects to LMS register.

cms/djangoapps/contentstore/tests/tests.py

@@ -10,8 +10,7 @@
 
 import datetime
 import time
-from unittest import mock
-from urllib.parse import quote_plus, unquote
+from urllib.parse import unquote
 
 from ddt import data, ddt, unpack
 from django.conf import settings
@@ -179,32 +178,6 @@ def test_inactive_session_timeout(self):
         # re-request, and we should get a redirect to login page
         self.assertRedirects(resp, settings.LOGIN_URL + '?next=/home/', target_status_code=302)
 
-    @data(
-        (True, 'assertContains'),
-        (False, 'assertNotContains'))
-    @unpack
-    @override_waffle_flag(toggles.LEGACY_STUDIO_LOGGED_OUT_HOME, True)
-    def test_signin_and_signup_buttons_index_page(self, allow_account_creation, assertion_method_name):
-        """
-        Navigate to the home page and check the Sign Up button is hidden when ALLOW_PUBLIC_ACCOUNT_CREATION flag
-        is turned off, and not when it is turned on.  The Sign In button should always appear.
-        """
-        with mock.patch.dict(settings.FEATURES, {"ALLOW_PUBLIC_ACCOUNT_CREATION": allow_account_creation}):
-            response = self.client.get(reverse('homepage'))
-            assertion_method = getattr(self, assertion_method_name)
-            login_url = quote_plus(f"http://testserver{settings.LOGIN_URL}")
-            assertion_method(
-                response,
-                f'<a class="action action-signup" href="{settings.LMS_ROOT_URL}/register'
-                f'?next={login_url}">Sign Up</a>'
-            )
-            self.assertContains(
-                response,
-                '<a class="action action-signin" href="/login/?next=http%3A%2F%2Ftestserver%2F">'
-                'Sign In</a>'
-            )
-
-
 class ForumTestCase(CourseTestCase):
     """Tests class to verify course to forum operations"""
 

cms/djangoapps/contentstore/toggles.py

@@ -519,28 +519,6 @@ def enable_course_optimizer(course_id):
     return ENABLE_COURSE_OPTIMIZER.is_enabled(course_id)
 
 
-# .. toggle_name: legacy_studio.logged_out_home
-# .. toggle_implementation: WaffleFlag
-# .. toggle_default: False
-# .. toggle_description: Temporarily fall back to the old Studio "How it Works" page when unauthenticated
-# .. toggle_use_cases: temporary
-# .. toggle_creation_date: 2025-03-14
-# .. toggle_target_removal_date: 2025-09-14
-# .. toggle_tickets: https://github.com/openedx/edx-platform/issues/36275
-# .. toggle_warning: In Ulmo, this toggle will be removed, along with the legacy page. The only available
-#  behavior will be to send the user to the log-in page with a redirect to Studio Course Listing (/home).
-LEGACY_STUDIO_LOGGED_OUT_HOME = WaffleFlag('legacy_studio.logged_out_home', __name__)
-
-
-def use_legacy_logged_out_home():
-    """
-    Returns whether the old "how it works" page should be shown.
-
-    If not, then we should just go to the login page w/ redirect to studio course listing.
-    """
-    return LEGACY_STUDIO_LOGGED_OUT_HOME.is_enabled()
-
-
 # .. toggle_name: contentstore.enable_course_optimizer_check_prev_run_links
 # .. toggle_implementation: CourseWaffleFlag
 # .. toggle_default: False

cms/djangoapps/contentstore/views/public.py

@@ -8,13 +8,10 @@
 from django.http.response import Http404
 from django.shortcuts import redirect
 
-from common.djangoapps.edxmako.shortcuts import render_to_response
-
 from ..config.waffle import ENABLE_ACCESSIBILITY_POLICY_PAGE
-from ..toggles import use_legacy_logged_out_home
 
 __all__ = [
-    'register_redirect_to_lms', 'login_redirect_to_lms', 'howitworks', 'accessibility',
+    'register_redirect_to_lms', 'login_redirect_to_lms', 'accessibility',
     'redirect_to_lms_login_for_admin',
 ]
 
@@ -62,15 +59,6 @@ def _build_next_param(request):
     return ''
 
 
-def howitworks(request):
-    """
-    Deprecated logged-out home page. New behavior is just login w/ redirect to studio course list.
-    """
-    if use_legacy_logged_out_home() and not request.user.is_authenticated:
-        return render_to_response('howitworks.html', {})
-    return redirect('/home/')
-
-
 def accessibility(request):
     """
     Display the accessibility accommodation form.

cms/static/sass/_build-v1.scss

@@ -64,7 +64,6 @@
 @import 'views/updates';
 @import 'views/dashboard';
 @import 'views/export';
-@import 'views/index';
 @import 'views/course-create';
 @import 'views/import';
 @import 'views/outline';

cms/static/sass/elements/_header.scss

@@ -353,7 +353,6 @@
 // STATE: active/current nav states
 
 .nav-item.is-current,
-body.howitworks .nav-not-signedin-hiw,
 body.dashboard .nav-account-dashboard,
 body.course.view-outline .nav-course-courseware .title,
 body.course.view-updates .nav-course-courseware .title,