UniBeast has been updated to version 5.0. We've added a OS X Yosemite USB creation option, refreshed drivers and boot support, and Chimera 4.0. 

Changes:

• Updated bootloader to Chimera v4.0.0
• Added OS X Yosemite USB creation option
• Added 10.9.5 IOACPIFamily.kext Rollback for 5/6 series Yosemite boot support
• Removed GenericUSBXHCI.kext from OS X Yosemite
• Added kext-dev-mode=1 boot flag for OS X Yosemite
• Added new theme with Yosemite icons

Head over to TonyMacX86 to Download. 
If you want to contact RDT please feel free to call between the hours of 9am-8pm AEST. deon@robertsondt.com Ph: 0426279566 or visit https://www.facebook.com/rdtaus