https://bitcoinops.org/en/newsletters/2025/02/21/

Bastien Teinturier posted to Delving Bitcoin about an opt-in variation of v3 commitments for LN channels that would allow mobile wallets to settle channels using the funds within the channel for all cases where theft is possible...

https://bitcoinops.org/en/newsletters/2025/02/21/#allowing-mobile-wallets-to-settle-channels-without-extra-utxos

Joost Jager posted to Delving Bitcoin to continue discussion about adding a quality of service (QoS) flag to the LN protocol to allow nodes to signal that one of their channels was highly available (HA)—able to forward payments up to a specified amount with 100% reliability...

https://bitcoinops.org/en/newsletters/2025/02/21/#continued-discussion-about-an-ln-quality-of-service-flag

Changes to services and client software:

- Ark Wallet SDK released

- Zaprite adds BTCPay Server support

- Iris Wallet desktop released

- Sparrow 2.1.0 released

- Scure-btc-signer 1.6.0 released

- Py-bitcoinkernel alpha

- Rust-bitcoinkernel library

- BIP32 cbip32 library

- Lightning Loop moves to MuSig2

https://bitcoinops.org/en/newsletters/2025/02/21/#changes-to-services-and-client-software

V3 commitments are LN commitment transactions made using version 3 transactions adhering to the policies for TRUC, a P2A outputs, ephemeral dust, and sibling replacement...

https://bitcoinops.org/en/topics/v3-commitments/

Bitcoin Optech will host an audio recap discussion of this newsletter with special guests Bastien Teinturier and Joost Jager on Riverside.fm Tuesday at 17:30 UTC. Join us to discuss or ask questions!

https://riverside.fm/studio/bitcoin-optech