Bitcoin Core 0.19.1 released

Bitcoin Core 0.19.1 became available on March 9, 2020. The release notes describe it as a minor release focused on bug fixes and performance improvements rather than a consensus upgrade.

The release repaired wallet, mempool and interface issues and continued Bitcoin Core's conservative maintenance cycle. Its historical value is operational rather than dramatic: it records the steady work required to keep the reference implementation reliable between major releases.