# 1.0.99

## New Rolling Taskforce and Student Activity Score Marts

| Version      | 1.0.99       |
| ------------ | ------------ |
| Release Date | May 11, 2026 |

## Key Features

This release includes two new marts. There are no changes to existing marts.

### Rolling Taskforce Marts & Student Activity Score Marts

Both the [taskforce marts](/products/data-and-analytics/unizin-data-platform/data-stores/data-marts/taskforce.md) and [student activity score marts](/products/data-and-analytics/unizin-data-platform/data-stores/data-marts/student-activity-score.md) now have "rolling" versions. Rolling refers to how the weekly window moves in the marts. In the original versions of these marts, weeks are always defined as Sunday-to-Saturday, standard weeks. Each record in these marts is per-person, per-course, and per-week.

The rolling versions of these marts shift the same 7-day window each day. This mart has Sunday-to-Saturday, Monday-to-Sunday, Tuesday-to-Monday, etc., weeks. In the non-rolling versions, each `week_number` is only listed once, in one record, for each person-course intersection. In the rolling versions, each `week_number` can be present in up to 7 records per person-course intersection. 

There are no separate documentation pages for these marts. The existing mart documentation pages linked above introduce sections that describe the differences between the rolling and non-rolling marts. The schemas between the rolling and non-rolling mart versions are mostly identical, especially for metrics.

These marts live in separate datasets in BigQuery:

* Non-rolling Taskforce marts: `mart_taskforce`
* Rolling Taskforce marts: `mart_taskforce_rolling`
* Non-rolling Student Activity Score marts: `mart_student_activity_score`
* Rolling Student Activity Score marts: `mart_student_activity_score_rolling`

The rolling version of the marts refresh on the same frequency as the non-rolling marts. Most refreshes occur daily.

To increase query size efficiency, we introduced a new helper table called `file_interaction`. The full location of this table is `mart_helper.event__course_offering__file_interaction`. This helper table is a subset of the more generic `object_interaction` helper table. We take the objects that are identified as files to populate the `file_interaction` helper table. The datamart dependency diagrams on the documentation pages have been updated accordingly.


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