BigQuery to find changelog updates to GCP services ordered by last update

bq.sql

SELECT max(published_at) as last_update,
       min(published_at) as first_update,
       DATE_DIFF(max(published_at),min(published_at),DAY) as age_days,
       product_name FROM `bigquery-public-data.google_cloud_release_notes.release_notes`
GROUP BY product_name
ORDER BY last_update asc