Website blog pages now support changing a post's author from the website editor, making content ownership easier to manage without back-office steps. The update also adds blog search capabilities, helping visitors find relevant posts more quickly.

https://www.odoo.com/web#id=9785&view_type=form&model=project.task&action=333&active_id=357
https://pad.odoo.com/p/r.JJcdRQpYzn8Qt15B

To change the author of a post in front