User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-27047411-20201026163537/@comment-45977082-20201026170111

Another thing is that some older versions of OS are not supported like they were on the legacy platform, which means that those with old devices on Ipad who cannot update the OS will lose their ability to edit and read pages on every single wiki that they use the device to read pages on and edit and work on due to UCP.