Ethereum Istanbul upgrade will include Calldata's Gas cost reduced to 1/4 improvement

Today's news, Ethereum developers last week on the main network test analysis block size and uncle block rate data, decided to reduce the cost of Calldata in the EIP-2028 improvement proposal from the original 68 Gas per byte to 16 Gas per Bytes, the optimization is included in the hard fork upgrade in Istanbul (October 16th). Developers also mentioned in the discussion that Calldata's Gas charges are still likely to continue to decrease, but reducing the cost of Calldata may also increase block size and increase network propagation block latency.