Bitcoin Optech Newsletter #423 Recap Podcast

The Bitcoin Optech Newsletter #423 Recap Podcast, featuring Mark Erhardt, Gustavo Flores Echaiz, and Mike Schmidt, delved into recent Bitcoin ecosystem developments. Key discussions covered news items such as Vardiff controllers for slowing miners, Utreexo improvements for initial block download, and a new BIP draft for unspendable internal keys. Updates to services and client software included BitBoxApp's integration of Spark-based Lightning payments, the Covenants.diy script editor, and the EntropyLab offline key calculator. The podcast also highlighted the Eclair 0.14.3 release and several significant code and documentation changes across Bitcoin Core, including pull requests #35445, #36076, #36150, #36174, #34743, #36081, #35975, and BIPs pull request #2241.