This change adds support for configuring and switching between multiple websites. It also makes website menu configuration easier while hiding a confusing technical field from regular users, reducing mistakes in hosted environments.

Task: https://www.odoo.com/web?#id=21389&view_type=form&model=project.task&action=333&active_id=131&menu_id=4720
Pad: https://pad.odoo.com/p/r.xjbcD59szOZeLER9

 It enables
- the website switcher
- The "Configure website menus"

The online store now shows shoppers a clear warning in the cart when a selected product is unavailable. This helps prevent checkout frustration, reduces failed orders, and gives businesses better control over selling items that are out of stock.

Task : https://www.odoo.com/web?#id=11457&view_type=form&model=project.task&menu_id=3942&action=327
Pad:https://pad.odoo.com/p/r.hjHDaFRnr7QNH3LH

The contract revenue dashboard now includes cohort analysis to help teams track how customer groups perform over time. This gives business users clearer insight into revenue trends, retention, and contract performance for better decision-making.