Release notes 0.18.6

Bitcoin ABC version 0.18.6 is now available from:

https://download.bitcoinabc.org/0.18.6/

This release includes the following features and fixes: - Add getfinalizedblockhash rpc to allow node operators to introspec the current finalized block. - Wallet getnewaddress and addmultisigaddress RPC account named parameters have been renamed to label with no change in behavior. - Wallet getlabeladdress, getreceivedbylabel, listreceivedbylabel, and setlabel RPCs have been added to replace getaccountaddress, getreceivedbyaccount, listreceivedbyaccount, and setaccount RPCs, which are now deprecated. There is no change in behavior between the new RPCs and deprecated RPCs. - Wallet listreceivedbylabel, listreceivedbyaccount and listunspent RPCs add label fields to returned JSON objects that previously only had account fields. - Add the -finalizationdelay to configure the minimum amount of time to wait between a block header reception and the block finalization. Unit is seconds, default is 7200 (2h).