Version xmrMiner 0.3.0 supports the Monero hardfork to v7.
You can use the miner before the hardfork.
The miner will switch to the new POW as soon as monero updates to v7.
precompiled binary checksum
$ sha256sum xmrMiner_0.3.0.exe
1bb33f754b8c1f8de7bcead0282dd4f4c8d48227bd4842c0a9dd004313b7314e xmrMiner_0.3.0.exe
Source code can be found here