Bitmain announcement of their new Antminer X3 designed to mine Monero. Then Monero devs posted that the new ASIC, designed to mine CryptoNight hashing algo would NOT work on Monero. https://t.co/rhy6k2I4Yh
And the Lithium Luna software upgrade seems to make good devs promise, making Monero resistant to ASICs.
Unless Bitmain tries to chase Monero development, this would probably make their X3 not attractive to miners.