Bitcoin Optech newsletter #377 is here:

Abubakar Sadiq Ismail recently posted to Delving Bitcoin about the possibility of tracking the potential fee increase from each mempool update to provide a new block template to miners only when the fee rate improvement justifies it... https://bitcoinops.org/en/newsletters/2025/10/24/#detecting-block-template-feerate-increases-using-cluster-mempool

Carla Kirk-Cohen, in collaboration with Clara Shikhelman and elnosh, posted to Delving Bitcoin about their simulation results and updates with the reputation algorithm for their channel jamming mitigation proposal... https://bitcoinops.org/en/newsletters/2025/10/24/#channel-jamming-mitigation-simulation-results-and-updates

Changes to services and client software:

Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions! https://riverside.fm/studio/bitcoin-optech