Bitcoin Optech: Newsletter #422 Recap

<p>Mark “Murch” Erhardt and Mike Schmidt are joined by Adam Gibson and Rob Segers to discuss <a href="https://bitcoinops.org/en/newsletters/2026/09/11/">Newsletter #422</a>.</p><p><br></p><p><strong>News</strong></p><p>● A protocol for probabilistic coinjoin and covert betting (1:14) </p><p>● Update on silent payments light clients (43:26) </p><p><br></p><p><strong>Releases and release candidates</strong></p><p>● LDK v0.3-rc1 (1:04:06) </p><p>● LDK v0.2.6 (1:05:58) </p><p>● BTCPay Server 2.4.4 (1:07:44) </p><p><br></p><p><strong>Notable code and documentation changes</strong></p><p>● Bitcoin Core #35949 (1:13:04) </p><p>● Bitcoin Core #34931 (1:15:11) </p><p>● Bitcoin Core #36048 (1:18:14) </p><p>● Bitcoin Core #36123 (1:21:12) </p><p>● Bitcoin Core #36176 (1:22:32) </p><p>● Core Lightning #9434 (1:24:49) </p><p>● LND #11061 (1:26:29) </p><p>● LND #11125 (1:27:23) </p><p>● LND #11064 (1:28:33) </p><p>● BTCPay Server #7561 (1:29:31) </p><p>● BTCPay Server #7559 (1:31:03) </p>