Bitcoin Optech newsletter #394 is here: - looks at a proposed BIP for including supplemental information with output script descriptors - summarizes popular Q&A from Stack Exchange - Optech Newsletter #394 Podcast https://bitcoinops.org/en/newsletters/2026/02/27/ Craig Raw posted to the Bitcoin-Dev mailing list about a new BIP idea to provide useful metadata in the form of annotations, expressed as key/value pairs, appended directly to the descriptor... https://bitcoinops.org/en/newsletters/2026/02/27/#draft-b… Selected Q&A from Bitcoin Stack Exchange - Is Bitcoin BIP324 v2 P2P transport distinguishable from random traffic? - What if a miner just broadcasts the header and never gives the block? https://bitcoinops.org/en/newsletters/2026/02/27/#selecte… Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 17:30 UTC.