How to reproduce: 1. Enter RouteBoard view 2. Input routes such that some buttons will be disabled (e.g. 25) 3. Enter RouteEta view 4. Enter RouteBoard view Numbers that are previously disabled will be greyed out and stay that way To reset greyed out state: 1. Enter Home view 2. Go back to RouteBoard view Affected platforms: - Safari 14.1.1 / macOS 10.15 - Safari 14.6 / iOS 14.6 https://user-images.githubusercontent.com/8231917/125892484-40b266c6-57ca-4775-9666-f346d0bc869b.mp4