It is slow, but more importantly, by encouraging UX designers to work in high fidelity designs where live changes are frustrating and feedback is entirely incorporated as a bunch of mostly-hidden comments in a sandbox that makes it hard for reviewers to follow up on or reference back to, all it's done is made everything worse.
It is slow, but more importantly, by encouraging UX designers to work in high fidelity designs where live changes are frustrating and feedback is entirely incorporated as a bunch of mostly-hidden comments in a sandbox that makes it hard for reviewers to follow up on or reference back to, all it's done is made everything worse.