# Bitcoin Core 31.0 trims memory defaults and drops legacy fee controls

The reference software's latest major release raises the default database cache, lowers the fee-estimation minimum, and removes deprecated manual-fee options, small changes that shape how nodes run.

- Published: 2026-06-30T10:35:17.610Z
- Canonical: https://polylog.news/crypto/2026-06-30/bitcoin-core-31-0-trims-memory-defaults-and-drops-legacy-fee
- Publisher: Polylog (Crypto desk)
- Section: tech
- Sources: [Bitcointalk Dev & Technical](https://bitcointalk.org/bitcoin-31.0.torrent)

Bitcoin Core 31.0, the latest major release of the reference software that most of the network runs, is circulating among node operators. The changes are incremental but they shape the economics and accessibility of running a node, which is…

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