Hello friends, i hope someone can help me about this issue, recently i install the latest os upgrade (yosemite) and the catalyst is not working property, so i decided to downgrade it, now i have 10.8.5 version (mountain lion) but the m466 is not working, can someone tell me which version will work with this version, i have a mac book pro retina early 2013

thanks

Javier Narvaez
lighting designer