4 posts
First release candidate for Bitcoin Core 31.0 introduces cluster mempool, a fundamental rewrite of transaction management logic that improves block template construction, eliminates ancestor/descendant limits, makes RBF incentive-compatible, and enables privacy-focused transaction broadcast via Tor/I2P.
Rusty Russell's varops BIP proposes to restore 15 disabled Bitcoin Script opcodes through dynamic cost budgeting, removing arbitrary limits while preventing DoS attacks.
Core Lightning creator Rusty Russell submitted two draft Bitcoin Improvement Proposals to restore script functionality disabled since 2010, re-enabling 15 opcodes and dramatically increasing stack limits using a novel 'varops budget' mechanism.
Bitcoin Core v31 will double the default database cache from 450 MB to 1 GB on modern systems, cutting sync times by up to 2.5x. The first default change in nine years targets faster initial block download while protecting low-memory setups.