The partner record’s contract shortcut has been moved to the contracts app area and now opens contract records instead of analytic accounts. This makes it easier for users to find the right contract information directly from a customer or supplier profile.

Task: https://www.odoo.com/web?#id=9518&view_type=form&model=project.task&menu_id=3942&action=327
pad : https://pad.odoo.com/p/r.PiB0ddiS6G1LwQ5X