We had it uploaded with an extra dot in the filename... Oops! jedi95 fixed it.

The changes for RC2 should really just be renaming MiningKernel to PhoenixKernel, and putting the kernel package in "plugins" instead of "kernels" (which is no longer used as the directory name)

Edit: Let me clarify: Those changes are what are needed to get it working. You should also add jedi95's changes, since those fix some performance problems.