hat's the dirty little secret of our industry; green screen apps are usually pretty darn fast. They aren't simple, though. They are designed for trained users, users who have long since added their app usage patterns to their muscle memory.
Rails Long Term Support
Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)
Prevents you from data breaches and liability risks