Hi, Similar with how lattice work on objects. lattice would gives easier & better control to deform the UV imo than just using Proportional Editing. for features i think more or less the same as we have on lattice object. - you can change the lattice X & Y resolutions - for the lattice orientations, perhaps global & based on World Orient that the Zen UV have - mirror feature for the lattice would be nice https://cdn.discordapp.com/attachments/1385218111019548753/1385849153011187885/fb5d9e3e9176d374367b4546faa0ef8f8a57a6c3.gif?ex=68579019&is=68563e99&hm=3b8f9cf68f78a941c0ff5925b78d3e6b413c2f1185f5b7dc24a7e6d00339f073&

Hey. The tool you need has just been released. https://superhivemarket.com/products/uv-lattice/?ref=118