On December 12, 2019 , ETC core developers and participating ecosystem stakeholders agreed upon a target block number for mainnet activation as well as a testnet review period for greater assurance. The Agharta hard-fork  will be inclusive of the Ethereum Constantinople features.
Kotti testnet will activate the Agharta features at block 1_705_549 or about 30 hrs from now. All other testnets have successfully activated the Agharta features and consensus bugs are a low probability at this point. Since Kotti has not officially activated Agharta at the time of this consensus meeting, core developers agreed on a 7-day testnet review period ending December 19, 2019. Assuming all testnets are running smoothly or any needed configurations are made, then Agharta will proceed to Accepted status, and Final when activated on mainnet across clients.
Latest Hard Fork Scheduled
Core developers agreed to activate Agharta on mainnet at block 9_573_000 which is expected around January 15, 2020.
- Morden Testnet, Block
5_000_381, about Nov/13th, 2019
- Mordor Testnet, Block
301_243about Nov 20th, 2019
- Kotti Testnet, Block
1_705_549about Dec/14th, 2019
- Classic Mainnet, Block
9_573_000about Jan/15th, 2020
Conclusion & Supporting Clients
Agharta is thus far, on schedule, and anyone running an Ethereum Classic client should ensure their client is up-to-date. The official clients participating in the hard-fork are:
🛑 Official minimum viable client versions will be announced soon. Classic Geth will reach END OF LIFE on January 15th, 2020. The Agharta hard-fork will be the last hard-fork supported by Classic Geth. If you are a Classic Geth user, then migrate to Besu, Multi-Geth, or Parity now.