A large part oft he PO process is creating Wireframes, Mockups, and Prototypes of software. The PO can often times work very closely with a UX team to create prototypes to get a project greenlit. There are many UX tools but JustInMind has become one of the strongest tools for UX teams to collaborate with product owners.
Thank you for the suggestion. At this time, based on current priorities and community feedback, we are unlikely to make updates in this area. We hope you can understand.