ethereum constantinople hard fork

January 10th, 2019
Ethereum is preparing for its next milestone – Constantinople hard fork. The launch is planned in four stages: Frontier (beta stage to develop and test dapps), Homestead (to stabilize the platform), Metropolis (ongoing) and Serenity (upcoming).

October 22nd, 2018
After finding multiple bugs in the code released on the Ropsten testnet, the developers have now decided to postpone the mainnet release.