Bastien Teinturier posted to Delving Bitcoin the responsible disclosure of a vulnerability that affected LND versions before 0.20.0, which fixed it in February 2026...

Jean Pablo posted to the Bitcoin-Dev mailing list about a BIP proposal for the rawtr() output script descriptor...

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

bitcoin

Bitcoin Optech newsletter #419 is here:

- summarizes the disclosure of a fixed reorg vulnerability in LND’s channel closes
- describes a draft BIP for the rawtr() output script descriptor
- summarizes changes to services/client software
- Optech Newsletter #419 Podcast
https://bitcoinops.org/en/newsletters/2026/08/21/

Bastien Teinturier posted to Delving Bitcoin the responsible disclosure of a vulnerability that affected LND versions before 0.20.0, which fixed it in February 2026...
https://bitcoinops.org/en/newsletters/2026/08/21/#reorg-vulnerability-in-lnd-channel-closes

Jean Pablo posted to the Bitcoin-Dev mailing list about a BIP proposal for the rawtr() output script descriptor...
https://bitcoinops.org/en/newsletters/2026/08/21/#draft-bip-for-rawtr-output-script-descriptor

Changes to services and client software:

- Payjoin Dev Kit (rust-payjoin) 1.0.0 released
- Silent Payments sender plugin for Electrum
- Superscalar implementation announced
- Cofund multisig wallet announced
- Lexe adds human-readable addresses and LNURL-withdraw
- Ledger Bitcoin app 2.5.0 adds human-readable policy descriptions
- Bark 0.5.0 released
- Bitcoin-PIR for private UTXO queries
- OP_TEMPLATEHASH Ark demonstration
- libshrincs formally verified hash-based signatures
https://bitcoinops.org/en/newsletters/2026/08/21/#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.