Customers can now view and follow their project issues directly from the website account area, including issue details, discussions, and related timesheets. The change also streamlines portal access rules and removes older public project pages so project information is shared through controlled, customer-facing views.

Task: https://www.odoo.com/web#id=19615&view_type=form&model=project.task&menu_id=3942&action=327

Pad: https://pad.odoo.com/p/r.4zlAPZCa43eRYtWx

Courtesy of @dja-odoo