1.2.1

• Removed the release plugin in favour of the new process with branches
  #1841
  #1843
  #1848
  #1855
• Updated Görli bootnodes #1842
• Removed unnecessary test dependency #1839
• Added warning when comments are used in genesis file #1838
• Added an experimental flag for disabling timers #1837
• Fixed FlatFileTaskCollection tests #1833
• Added chain json import utility #1832
• Added tests to AllNodesVisitor trie traversal #1831
• Updated privateFrom to be required #1829 (thanks to iikirilov)
• Made explicit that streamed accounts may be missing their address #1828
• Refactored normalizeKeys method #1826
• Removed dead parameters #1825
• Added a nicer name for Corretto #1819
• Changed core JSON-RPC method to support ReTestEth
  #1815
  #1818
• Added rewind to block functionality #1814
• Added support for NoReward and NoProof seal engines #1813
• Added strict short hex strings for retesteth #1812
• Cleaned up genesis parsing #1809
• Updating Orion to v1.3.2 #1805
• Updaated newHeads subscription to emit events only for canonical blocks #1798
• Repricing for trie-size-dependent opcodes #1795
• Revised Istanbul Versioning assignemnts #1794
• Updated RevertReason to return BytesValue #1793
• Updated way priv_getPrivacyPrecompileAddress source #1786 (thanks to iikirilov)
• Updated Chain ID opcode to return 0 as default #1785
• Allowed fixedDifficulty=1 #1784
• Updated Docker image defaults host interfaces #1782
• Added tracking of world state account key preimages #1780
• Modified PrivGetPrivateTransaction to take public tx hash #1778 (thanks to josh-richardson)
• Removed enclave public key from parameter
  #1789
  #1777 (thanks to iikirilov)
• Added storage key preimage tracking #1772
• Updated priv_getPrivacyPrecompileAddress method return #1766 (thanks to iikirilov)
• Added tests for permissioning with static nodes behaviour #1764
• Added integration test for contract creation with privacyGroupId #1762 (thanks to josh-richardson)
• Added report node local address as the coinbase in Clique and IBFT
  #1758
  #1760
• Fixed private tx signature validation #1753
• Updated CI configuration
  #1751
  #1835
• Added CLI flag for setting WorldStateDownloader task cache size #1749 (thanks to matkt)
• Updated vertx to 2.8.0 #1748
• changed RevertReason to BytesValue #1746
• Added static nodes acceptance test #1745
• Added report 0 hashrate when the mining coordinator doesn't support mining
  #1744
  #1757
• Implemented EIP-2200 - Net Gas Metering Revised #1743
• Added chainId validation to PrivateTransactionValidator #1741
• Reduced intrinsic gas cost #1739
• De-duplicated test blocks data files #1737
• Renamed various EEA methods to priv methods #1736 (thanks to josh-richardson)
• Permissioning Acceptance Test #1735
  #1759
• Add nonce handling to GenesisState #1728
• Added 100-continue to HTTP #1727
• Fixed get_signerMetrics #1725 (thanks to matkt)
• Reworked "in-sync" checks #1720
• Added Accounts Permissioning Acceptance Tests #1719
• Added PrivateTransactionValidator to unify logic #1713
• Added JSON-RPC API to report validator block production information #1687 (thanks to matkt)
• Added Mark Sweep Pruner #1638
• Added the Blake2b F compression function as a precompile in Pantheon #1614 (thanks to iikirilov)
• Documentation updates include:
  • Added CPU requirements #1734
  • Added reference to Ansible role #1733
  • Updated revert reason example #1754
  • Added content on deploying for production #1774
  • Updated docker docs for location of data path #1790
  • Updated permissiong documentation
    #1792
    #1652
  • Added permissioning webinar in the resources #1717
  • Add web3.js-eea reference doc #1617
  • Updated privacy documentation
    #1650
    #1721
    #1722
    #1724
    #1729
    #1730
    #1731
    #1732
    #1740
    #1750
    #1761
    #1765
    #1769
    #1770
    #1771
    #1773
    #1787
    #1788
    #1796
    #1803
    #1810
    #1817
  • Added documentation for getSignerMetrics #1723 (thanks to matkt)
  • Added Java 11+ as a prerequisite for installing Pantheon using Homebrew. #1755
  • Fixed documentation formatting and typos #1718
    #1742
    #1763
    #1779
    #1781
    #1827
    #1767 (thanks to helderjnpinto)
  • Moved the docs to a new doc repos #1822
• Explicitly configure some maven artifactIds #1853
• Update export subcommand to export blocks in rlp format #1852
• Implement eth_getproof JSON RPC API #1824
• Database versioning and enable multi-column database #1830
• Disable Istanbul block #1849
• Disable smoke tests on windows #1847
• Add read-only blockchain factory method #1845