Manufacturing and inventory accounting now better support assigning costs across multiple analytic plans at the same time. This helps businesses track production, stock, and employee time costs more accurately across dimensions such as departments, regions, or projects, while preserving historical wage-based cost calculations.

This PR, targeting `master`, has been supplanted by #146114, targeting `17.0`.

[Task-3621105](https://www.odoo.com/web#id=3621105&cids=1&menu_id=4720&action=4043&model=project.task&view_type=form)