I had a big problem, that suddenly all variables in views became "undefined variable" although they are set in controllers. I install Phalcon using macPorts so I do not know if this problem ir only in macPorts release or more global. After figuring this out and downgrading back to RC1 everything works as expected.
This is my first post here, hope it helps someone. macPorts downgrading: https://trac.macports.org/wiki/howto/InstallingOlderPort