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V21.1

Node Protocol Database Release Date Release Notes GitHub Links
21.1 18 18 2020-07-14 V21.1 Release - Milestone - Changelog
Known Issue V19+: macOS 'Too many open files'
  • Issue: The following error can be seen when attempting to run a full node on macOS using the built-in Qt wallet or other GUI-based wallets: "Exception while running wallet: open: Too many open files". This is due to macOS having a very low default file descriptor limit and V19.0 uses more of them after the move to TCP.

  • Solution: For now a workaround is needed to increase the limit. The method depends on the specific macOS version, but some people had success with the recipe in https://superuser.com/a/1171028.

Known Issue Windows V21: Crash when using config node.logging.stable_log_filename

Setting node.logging.stable_log_filename configuration option to true results in a node crash on Windows in V21.0 and V21.1, after a node restart. This must be set to false.

No special upgrade considerations

V21.1 is a service release which doesn't require any special upgrade considerations when upgrading from V21.0.