TVRename is pretty much set in its ways and has been for a while. You may have to adjust to it, rather than it adjusting to you. At this point, there is no indication that the developer is interested in making any changes to the existing program. Having said that, all your recent posts would be considered suggestion, and not bugs, and then should be directed to
https://tvrename.featureupvote.com/ if he decides to continue on with program development.