1.4.5-RC1

Additions and Improvements

• Introduced SecurityModule plugin API. This allows use of a different security module as a plugin to
  provide cryptographic function that can be used by NodeKey (such as sign, ECDHKeyAgreement etc.). KeyPairSecurityModule
  is registered and used by default. The CLI option --security-module=<name> (defaults to localfile) can be used
  to identify the security module plugin name to use instead. #713
• Several testing related changes to improve compatibility with Hive and Retesteth.
  #806 and #845
• Native libraries for secp256k1 and Altbn128 encryption are enabled by default. To disable these libraries use
  --Xsecp256k1-native-enabled=false and --Xaltbn128-native-enabled=false. #775

Bug Fixes

• Full help not displayed unless explicitly requested. #437
• Compatibility with undocumented Geth eth_subscribe fields. #654
• Current block number included as part of eth_getWork response. #849

Known Issues

Known issues are open issues categorized as Very High or High impact.

Previously identified known issues

• Intrinsic gas exceeds gas limit returned when calling delete mapping[addr] or mapping[addr] = 0
• Eth/65 not backwards compatible
• Error full syncing with pruning
• Fast sync when running Besu on cloud providers
• Bootnodes must be validators when using onchain permissioning
• Privacy users with private transactions created using v1.3.4 or earlier