BIP125 signaling, ecosystem software updates - Bitcoin Optech Newsletter #410

Bitcoin Optech newsletter #410 is here:

• summarizes a discussion about wallets removing opt-in replace-by-fee signaling from the transactions they create
• summarizes changes to services/client software
• Optech Newsletter #410 Podcast

https://bitcoinops.org/en/newsletters/2026/06/19/

rkrux posted to the Bitcoin-Dev mailing list proposing that wallets stop signaling opt-in RBF in the transactions they create... https://bitcoinops.org/en/newsletters/2026/06/19/#discussion-of-removing-rbf-signaling-from-wallet-transactions

Changes to services and client software:

• Sparrow Wallet 2.5.0 adds silent payments receiving
• Bark live on Bitcoin mainnet
• Arké Ark wallet announced
• Noah Ark wallet announced
• Alby Hub v1.23.0 released
• JoinMarket NG 0.32.0 released

https://bitcoinops.org/en/newsletters/2026/06/19/#changes-to-services-and-client-software

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.