Users can now share portal-enabled business documents with customers or colleagues through a direct link, including people who may need to sign up first. Shared documents are clearly marked in the customer portal, with warnings when access may be limited by project privacy, quote status, or customer account settings.

Task: https://www.odoo.com/web#id=30985&view_type=form&model=project.task&action=333&active_id=131&menu_id=4720

pad: https://pad.odoo.com/p/r.18d7ec360149b3c15787c62f35a45301