This update improves the standard demo data so stock dashboards, graph views, and cohort views show clearer and more useful examples. It also ensures boolean values such as false display correctly in graph views instead of appearing as missing or undefined.

Task : https://www.odoo.com/web#id=1844742&action=333&active_id=965&model=project.task&view_type=form&menu_id=4720

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

When a record is archived, any pending activities linked to it are now automatically removed. This keeps activity reminders focused on active work and prevents users from seeing outdated tasks for records that are no longer in use.

Task: https://www.odoo.com/web#id=1868190&action=333&active_id=965&model=project.task&view_type=form&menu_id=4720

This update improves how Odoo records change history for mail messages when many records are created at once. It should make related background processing and tests faster without changing what users see or how the feature behaves.

Task: https://www.odoo.com/web?#id=1870656&action=333&active_id=965&model=project.task&view_type=form&menu_id=4720