0.18.5

Bitcoin ABC version 0.18.5 is now available from:

https://download.bitcoinabc.org/0.18.5/

This release includes the following features and fixes:

• Add the finalized block concept. Finalized blocks cannot be reorged, which protects the network against deep reorgs.
• Add the -maxreorgdepth configuration to configure at what depth block are considered final. Default is 10. Use -1 to disable.
• Introduce finalizeblock RPC to finalize a block at the will of the node operator.
• Introduce a penalty to alternative chains based on the depth of the fork. This makes it harder for an attacker to do mid size reorg.

0.18.4

Bitcoin ABC version 0.18.4 is now available from:

https://download.bitcoinabc.org/0.18.4/

This release includes the following features and fixes:

• Fixes an issue with getblocktemplate returning fees and sigops in non-CTOR ordering after Nov 15th CTOR activation.

Please note that this release also contains a post-fork checkpoint for additional chain stability.

0.18.3

Bitcoin ABC version 0.18.3 is now available from:

https://download.bitcoinabc.org/0.18.3/

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
• 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.

0.18.2

Bitcoin ABC version 0.18.2 is now available from:

https://download.bitcoinabc.org/0.18.2/

This release includes the following features and fixes:

• Backport abortrescan RPC call from bitcoin core.
• Backport fix to importmulti to return rescan errors.
• Backport ability to abort wallet transaction rescans.
• Backport adding listen address to incoming connections in getpeerinfo.
• Backport rescanblockchain RPC call.
• Various backports for bug fixes and performance improvements.
• Increase INVENTORY_BROADCAST_MAX, allowing more transaction broadcasts via INV.

0.18.1

Bitcoin ABC version 0.18.1 is now available from:

https://download.bitcoinabc.org/0.18.1/

This release includes the following features and fixes:

• Fix a mining bug that affects block creation, impact after Nov upgrade.
• Fix a bug that could result in dropping transactions from re-orgs,
  impact after Nov upgrade.
• Reserve a range for multi byte opcodes in the script system.
• Various test fixes, speedups, and refactors.

0.18.0

Bitcoin ABC version 0.18.0 is now available from:

https://download.bitcoinabc.org/0.18.0/

This release includes the following features and fixes:

• Remove the bip9params configuration.
• Remove the bip9_softforks result from the getblockchaininfo RPC call.
• Remove the rules, vbavailable and vbrequired result from the getblocktemplate RPC call.
• Remove the rules argument from the getblocktemplate RPC call.
• Log difference between block header time and received time when competing blocks are received for the same chain height.
• Bump automatic replay protection to May 2019 upgrade.
• Remove topological ordering constraint from blocks starting Nov, 15 2018.
• Implement canonical transaction order, enforced Nov, 15 2018.
• Add OP_CHECKDATASIG and OP_CHECKDATASIGVERIFY, activates Nov, 15 2018.
• Enforce minimum transaction size of 100 bytes, starting Nov, 15 2018.
• Enforce PUSH ONLY rule for scriptSig, starting Nov, 15 2018.
• Enforce CLEANSTACK rule, starting Nov 15, 2018.

0.17.2

Bitcoin ABC version 0.17.2 is now available from:

https://download.bitcoinabc.org/0.17.2/

This release includes the following features and fixes:

• Remove deprecated estimatepriority RPC.
• Remove deprecated estimatesmartpriority RPC.
• Remove support for -sendfreetransactions.
• Remove unstable estimatesmartfee RPC.
• Update berkley DB to 5.3 minimum. Developers should update their build environment accordingly.
• Remove -incrementalrelayfee option

0.17.1

Bitcoin ABC version 0.17.1 is now available from:

https://download.bitcoinabc.org/0.17.1/

This release includes the following features and fixes:

Added CORS headers and pre-flight request support via RPC via required flag -rpccorsdomain.
Allow block candidates greater than 16MB to be submitted via RPC.