Release 0.77.12

RELEASE.rst

@@ -1,6 +1,13 @@
 Release Notes
 =============
 
+Version 0.77.12
+---------------
+
+- Add department 21T (Theater Arts) (#3668)
+- Preconnect to the API and Typekit origins (#3819)
+- Add a content-engagement panel to the B2B analytics dashboard (#3806)
+
 Version 0.77.11 (Released August 25, 2026)
 ---------------
 

data_fixtures/fixtures/departments.json

@@ -229,6 +229,16 @@
       "updated_on": "2024-04-17T00:00:00.000000+00:00"
     }
   },
+  {
+    "model": "learning_resources.LearningResourceDepartment",
+    "fields": {
+      "department_id": "21T",
+      "name": "Theater Arts",
+      "school_id": 3,
+      "created_on": "2024-04-17T00:00:00.000000+00:00",
+      "updated_on": "2024-04-17T00:00:00.000000+00:00"
+    }
+  },
   {
     "model": "learning_resources.LearningResourceDepartment",
     "fields": {

data_fixtures/migrations/0025_add_department_21T.py

@@ -0,0 +1,72 @@
+# Data migration: add department 21T (Theater Arts)
+
+from urllib.parse import urlencode
+
+from django.db import migrations
+from django.utils.text import slugify
+
+from channels.constants import ChannelType
+
+SCHOOL_NAME = "School of Humanities, Arts, and Social Sciences"
+
+
+def remove_theater_arts(apps, schema_editor):
+    """
+    Remove department with department_id=21T
+    """
+
+    Channel = apps.get_model("channels", "Channel")
+    LearningResourceDepartment = apps.get_model(
+        "learning_resources", "LearningResourceDepartment"
+    )
+    department = LearningResourceDepartment.objects.filter(department_id="21T").first()
+    if department:
+        Channel.objects.filter(department_detail__department=department).delete()
+        department.delete()
+
+
+def add_theater_arts(apps, schema_editor):
+    LearningResourceDepartment = apps.get_model(
+        "learning_resources", "LearningResourceDepartment"
+    )
+    LearningResourceSchool = apps.get_model(
+        "learning_resources", "LearningResourceSchool"
+    )
+    Channel = apps.get_model("channels", "Channel")
+    ChannelDepartmentDetail = apps.get_model("channels", "ChannelDepartmentDetail")
+
+    school = LearningResourceSchool.objects.get(name=SCHOOL_NAME)
+
+    department, _ = LearningResourceDepartment.objects.get_or_create(
+        department_id="21T",
+        defaults={
+            "name": "Theater Arts",
+            "school": school,
+        },
+    )
+
+    channel, _ = Channel.objects.get_or_create(
+        search_filter=urlencode({"department": department.department_id}),
+        channel_type=ChannelType.department.name,
+        defaults={
+            "name": slugify(department.name),
+            "title": department.name,
+        },
+    )
+    ChannelDepartmentDetail.objects.get_or_create(
+        channel=channel,
+        department=department,
+    )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        (
+            "data_fixtures",
+            "0024_add_ovs_platform_offeror",
+        ),
+    ]
+
+    operations = [
+        migrations.RunPython(add_theater_arts, remove_theater_arts),
+    ]

frontends/api/src/analytics/test-utils/factories.ts

@@ -108,12 +108,17 @@ const contentEngagementDepth = (
   organization_name: faker.company.name(),
   courserun_readable_id: `course-v1:MITx+${faker.string.alphanumeric(5)}+2026`,
   courserun_title: faker.commerce.productName(),
+  // Internally consistent with the view's arithmetic: the rates divide by
+  // total_enrolled_learners, the averages by engaged_learners (800/28, 1000/28),
+  // and every activity cohort is a subset of engaged_learners.
   total_enrolled_learners: 40,
   engaged_learners: 28,
   engagement_rate_pct: 70,
   total_videos_watched: 800,
+  video_watchers: 22,
   avg_videos_per_engaged_learner: 28.6,
   total_problems_attempted: 1000,
+  problem_attempters: 25,
   avg_problems_per_engaged_learner: 35.7,
   total_chatbot_interactions: 60,
   chatbot_users: 14,

frontends/api/src/analytics/types.ts

@@ -102,7 +102,21 @@ export type ProgramFunnel = {
   program_course_completers: number | null
 }
 
-/** `mv_b2b_content_engagement_depth` — grain: org x course run, all-time. */
+/**
+ * `mv_b2b_content_engagement_depth` — grain: org x course run, all-time.
+ *
+ * Three of these columns are cohort counts rather than metrics a reader asked
+ * for: `video_watchers`, `problem_attempters` and `chatbot_users` are the
+ * distinct learners behind the activity total beside each of them. The view
+ * publishes them so the API can apply the anonymity floor to the cohort that
+ * actually produced a sum rather than to a superset of it — an average over
+ * one learner *is* that learner's value, however many learners were merely
+ * "engaged". Keep each one next to the total it accounts for.
+ *
+ * The two `avg_*_per_engaged_learner` columns divide by `engaged_learners`,
+ * as their names say; the totals above them are contributed only by the
+ * narrower cohorts. That split is why both are suppressible independently.
+ */
 export type ContentEngagementDepth = {
   organization_key: string
   organization_name: string
@@ -112,8 +126,10 @@ export type ContentEngagementDepth = {
   engaged_learners: number | null
   engagement_rate_pct: number | null
   total_videos_watched: number | null
+  video_watchers: number | null
   avg_videos_per_engaged_learner: number | null
   total_problems_attempted: number | null
+  problem_attempters: number | null
   avg_problems_per_engaged_learner: number | null
   total_chatbot_interactions: number | null
   chatbot_users: number | null