Starting April 12, users running the current version of macOS High Sierra were greeted with a warning the first time they launched any non-Apple app that wasn’t 64-bit. See above for what it looks like in CrossOver.
Apple has been migrating…
We're rebels. We're misfits. But mostly, we're software liberators. And we're very, very good at what we do. We have to be. Lots of developers work with open source, but only a tiny fraction of those are good enough to get software that was designed for one platform to work on another one. We invented CrossOver software - a unique approach to cross-platform compatibility that does not require dual-boot or another OS license. We launched PortJump to help app and game developers broaden their market beyond Windows® users. And we launched ExecMode to help organizations solve really ugly technical challenges.