According to Foresight News, Christine Kim, Vice President of Research at Galaxy, summarized the 199th Ethereum Core Developers Execution (ACDE) call. During this week's meeting, developers discussed and coordinated modifications to the Ethereum execution layer (EL). They reaffirmed the decision to include EIP 7742 in the Pectra upgrade as a prerequisite for increasing blob capacity. Pectra Devnet 4 was launched on October 18, and Busa and his team will conduct further client testing on Devnet 4 in the coming weeks. Additionally, developers discussed various specification changes that should be included in Pectra Devnet 5.