As long as the transition to the new version isn’t rushed or forced upon us users prematurely, I believe you are on the right track for the most part. Still, it’s important not to upset the daily routines of your long-term users who have made Clear an integral part of their lives in different ways too much, and hence their trust.
Clear for Mac has been such an important part of this integrated system for many of us, so I sincerely hope a Mac user interface will continue to be available since without it Clear loses much of its power and versatility for many of its most dedicated and loyal users.
Besides the Mac user interface, I consider the consistency of the look and feel of the app and all of the content I have added most important when transitioning between any two versions, so I’m happy you also mentioning this. In this regard I want to point out that I’m referring to the precision and exact positioning in terms of textual formatting which is very important for some of us. I describe it further here: