Bitcoin Core Integrates Cluster Mempool Update for Version 31.0

Chainthink

Release Time: 03/12/2026 01:30:50

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Summary

Bitcoin breaking news: The main branch of Bitcoin Core has merged the Cluster Mempool update (PR #34616), scheduled for inclusion in Bitcoin Core 31.0. The update restructures how nodes handle pending transactions by grouping related ones, improving block packing and fee calculations for RBF and CPFP. Bitcoin news: The 31.0 release is expected in late 2026.

ChainThink reports that on March 12, the development main branch of the Bitcoin Core client merged the Cluster Mempool update (PR #34616), expected to be included in the upcoming Bitcoin Core 31.0 release. This upgrade will redesign how nodes manage pending transactions (mempool) by grouping related transactions together, improving block packaging efficiency and optimizing fee calculations for RBF and CPFP transactions.

Bitcoin Core 31.0 is expected to be released in the second half of 2026. (CriptoNoticias)

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