Just updated MacMiner to version 1.4.9 on my iMac, running OS X Version 10.8.4. I'm using bfgminer on a single Block Erupter USB miner.

It works fine with the pool (btcguild), but the miner window shows a very low hash rate (~5 MH/s when it should be 330 MH/s), and shows a very low accepted block number. On the btcguild web site, all is well for hash rate and accepted block numbers.

I had no problem with the previous version.

Thanks,

-R8