Bitcoin Optech: Newsletter #382 Recap

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt discuss ⁠Newsletter #382⁠ (https://bitcoinops.org/en/newsletters/2025/11/28/).

News ● Stats on compact block reconstructions updates (0:34) ● Motion to activate BIP3 (7:26)

Selected Q&A from Bitcoin Stack Exchange ● Do pruned nodes store witness inscriptions? (24:27) ● Increasing probability of block hash collisions when difficulty is too high (29:33) ● What is the purpose of the initial 0x04 byte in all extended public and private keys? (33:25)

Releases and release candidates ● LND v0.20.0-beta (34:57) ● Core Lightning v25.12rc1 (35:57)

Notable code and documentation changes ● Bitcoin Core #33872 (37:55) ● Bitcoin Core #33629 (42:05) ● Core Lightning #8677 (49:49) ● Core Lightning #8546 (51:28) ● Core Lightning #8682 (53:19) ● LDK #4197 (55:39) ● LDK #4234 (1:00:56) ● LDK #4148 (1:02:17) ● BDK #2027 (1:03:04)