Bitcoin Optech: Newsletter #338 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Toth and Dave Harding to discuss ⁠Newsletter #338⁠.

News
- Draft BIP for unspendable keys in descriptors (0:49)
- PSBTv2 integration testing (9:55)
- Correction about offchain DLCs (15:25)

Changes to services and client software

- Bull Bitcoin Mobile Wallet adds payjoin (28:10)
- Bitcoin Keeper adds miniscript support (28:52)
- Nunchuk adds taproot MuSig2 features (29:26)
- Jade Plus signing device announced (32:08)
- Coinswap v0.1.0 released (32:36)
- Bitcoin Safe 1.0.0 released (35:14)
- Bitcoin Core 28.0 policy demonstration (35:41)
- Rust-payjoin 0.21.0 released (36:21)
- PeerSwap v4.0rc1 (37:34)
- Joinpool prototype using CTV (38:24)
- Rust joinstr library announced (39:58)
- Strata bridge announced (40:36)

Releases and release candidates

- BTCPay Server 2.0.6 (41:41)

Notable code and documentation changes

- Bitcoin Core #31397 (42:19)
- Eclair #2896 (44:21)
- LDK #3408 (46:02)
- LND #9405 (47:57)