This update makes timesheet entry and approval smoother by improving how grid edits are handled, separating employee and manager workflows, and assigning clear timesheet validators. It also adds automated reminders so employees and managers are prompted to fill in or validate timesheets on schedule.

Sub of https://github.com/odoo/enterprise/pull/788/commits

Task: https://www.odoo.com/web#id=29568&view_type=form&model=project.task&action=333&active_id=965&menu_id=4720