According to @adam3us, Bitcoin Optech’s latest video features a 20:47 segment on size-optimized NIST SLH-DSA hash-based signatures for Bitcoin’s post-quantum future with contributions from Blockstream research, Mikhail Kudinov, n1ckler, and Anthony Towns in Newsletter #386, source: @adam3us on X; Bitcoin Optech video. The video also flags a Bitcoin Core wallet migration bug at 56:30 and covers protocol proposals including OP_CHECKCONSOLIDATION to enable cheaper consolidations at 1:23:11, CTV-related discussions from 1:16:30 to 1:21:00, and a Year 2106 timestamp overflow uint64 migration at 1:07:47, source: @adam3us on X; Bitcoin Optech video. Releases and code updates include BTCPay Server 2.3.0 at 1:28:29 and multiple items across Bitcoin Core, Core Lightning, LND, BIPs, and BOLTs, source: @adam3us on X; Bitcoin Optech video.