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Bitcoin ABC 0.18.3

Bitcoin ABC version 0.18.3 is now available from:

This release includes the following features and fixes:

  • Remove support for Qt4
  • Upgrade reproducible build to use Qt 5.9.6
  • Improve SHA256 performance using SSE4.1, AVX2 and/or SHA if available.
  • Add a mode argument to the getmemoryinfo RPC call to query malloc_info from the system if available.
  • Updated univalue library to version 1.0.4
  • Disable safe mode by default
  • Added autocomplete to 'help' in RPC console
  • Deprecated estimatefee RPC command
  • Improved help message for backup wallet RPC
  • Various bug fixes that improve node stability and performance
  • Backport getblock RPC's new verbosity mode from bitcoin core for retrieving all transactions of a given block in full.
  • Added parkblock/unparkblock RPC commands and 'parked' state to getchaintips RPC
  • RPC listreceivedbyaddress now accepts an address filter
  • Backport combinerawtransaction RPC from bitcoin core to combine multiple partially signed transactions into one transaction.