OSX Yosemite has caused compatibility issues with MATLAB, prompting users to consider their options. The primary solutions discussed include upgrading to the latest version of MATLAB, R2014b, which offers significant new features and improvements for a $100 fee, or downgrading the operating system from Yosemite back to Mavericks. Some users are contemplating using Boot Camp to run Windows versions of MATLAB, while others express concerns about performance when using Parallels for virtualization. Additionally, there are ongoing frustrations regarding MATLAB's installation process on Unix-based systems.