During the latest conference call meeting, Ethereum developers looked positive on releasing the Constantinople upgrade by the mid of January 2019.
After finding multiple bugs in the code released on the Ropsten testnet, the developers have now decided to postpone the mainnet release.
Ethereum core developer Alexey Akhunov has proposed to launch a separate temporary testnet on Ropsten and resolve all the code issues while postponing the main implementation.
According to Vitalik Buterin, the Zk-Snarks can be used to “mass validate” transactions thereby alleviating the pressure of network congestion.
Developers of the Ethereum platform are trying to achieve a balance in a tug-of-war between the miner and developer community with regards to the upcoming changes.