PhoenixMiner 5.0e is officially released. You can find the download link and the checksums in the first post of this thread.

The changes in this release are:

• Additional fixes for the problem with crashing or slowing down when switching from ETC to ETH mining

If you are already running PhoenixMiner 5.0b, 5.0c, or 5.0d, it is recommended to upgrade to 5.0e, especially if you are using pool that switches coins automatically like nicehash.