October 2019 Planned Ethereum Network Upgrade


  • 2019-04-17 (Wed-Thurs) CoreDev planning meeting in Berlin, details on EthMagicians
  • 2019-05-17 (Fri) hard deadline to accept proposals for “Istanbul”
  • 2019-07-19 (Fri) soft deadline for major client implementations
  • 2019-08-14 (Wed) projected date for testnet network upgrade (Ropsten, Görli, or ad-hoc testnet)
  • 2019-10-16 (Wed) projected date for mainnet upgrade (“Istanbul”)


Draft in Progress

These items are not yet merged as Drafts. See EIP-1 for template and markdown format and submit PRs.

Follow along All Core Dev calls and the EIPs repo.

currently new updates
Newest at the top, likely EthCatHerders repo / Github project will be source of updates going forward


Proposed: Security Review Period

Should we add a security review period? Let's say 4 weeks needed minimum once people responsible for review have the EIPs available, so maybe 2019-06-21 for first security review / reports? Discuss on EthMagicians