I tried the latest proper release (not the beta) and after about an hour one of my cards would fail dramatically on normal settings. Flashed back to latest firmware from BM and problem has disappeared at what one would assume are the same settings.

Does the Blissz release include fixes from the latest BM D3 firmware?

Loved the options this gave me to optimise each board but I'd be restarting the unit every hour~ to enjoy the privilege. Definitely staying tuned for updates though!