This mostly benefits new games. If you want to update to (for example) Metal-compatible Unity, that probably means updating to the latest release, and bumping f

This mostly benefits new games. If you want to update to (for example) Metal-compatible Unity, that probably means updating to the latest release, and bumping forward from 2017 Unity to 2019 Unity often breaks games. It's a common problem for indie developers who have to upgrade every few years since Apple loves breaking old games.