One milestone that stands as a prerequisite to the v4 launch is the completion of the much-anticipated Cancun upgrade of the Ethereum platform, currently earmarked to conclude by the end of September. Following the Cancun upgrade, a security audit remains a stage in the process. This stage isn’t a minor formality but an evaluation that ensures the new protocol is secure. Such an audit, Koen explained, can span up to four months. More info: https://tinyurl.com/mum2w7cc