Odoo no longer saves a separate rating value on each message when it can be calculated when needed. This reduces unnecessary database work during message creation and improves overall performance, especially in areas that create many messages.

Task: https://www.odoo.com/web#id=51523&view_type=form&model=project.task&action=333&active_id=965&menu_id=4720

Portal access no longer relies on a separate internal flag to identify portal groups. This simplifies user and portal configuration by using the standard portal group consistently, reducing maintenance complexity without changing expected business workflows.

https://www.odoo.com/web#id=46151&view_type=form&model=project.task&action=333&active_id=965&menu_id=4720

Units of measure have been separated from the product area into their own reusable module. This makes it easier for other business processes, such as timesheets and expenses, to use quantities consistently without depending on product features, with no intended change to existing behavior.

2 commits:

    [IMP] product: rename product.uom to uom.uom

    [IMP] product: move uom in a new addon

https://www.odoo.com/web#id=51515&view_type=form&model=project.task&action=333&active_id=965&menu_id=4720