v2.1 now available.

https://github.com/nyancoin-official/nyancoin-client/releases/tag/v2%2C1
https://nyancoin.info/download.nyan

This version adds AuxPow from block 4468644
Binaries are a direct drop-in replacement for v2.0, no other changes are required.

To avoid losses, please ensure you are making regular backups of wallet.dat and storing them on a physically separate device.