Wednesday, September 17, 2014

Litecoin v0.8.7.4

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Summary
This is an important update corresponding with Bitcoin v0.9.3.  Everyone is strongly advised to upgrade.  Miners must upgrade to v0.8.7.4+ which enforces block version 2 by height710k or risk having their blocks discarded.

Technical Changelog
  • v0.8.7.4
    • Enforce v2 blocks at height 710000 on mainnet, 400000 on testnet
      • All miners must upgrade prior to this point or they run the risk of losing future block rewards.
    • Add `-maxorphantx=<n>` option for control over the maximum orphan transactions and blocks
    • Don't poll showmyip.com, it doesn't exist anymore
  • v0.8.7.2
    • Mac and Windows Official Gitian Builds: upgrade to openssl-1.0.1h for CVE-2014-0224
      • Linux Gitian build uses Lucid 0.9.8k-7ubuntu8.18
  • v0.8.7.1
    • Mac and Windows: upgrade to openssl-1.0.1g for CVE-2014-0160 
      • All past Linux binaries were not vulnerable due to Lucid's openssl-0.9.8k. 
    • Upgrade openssl, qt, miniupnpc, zlib, libpng, qrencode.
    • Many bug fixes from Bitcoin 0.8.7rc stable branch including transaction malleability mitigation backports from 0.9.
      • Add testnet checkpoints.
      • Add new testnet seed.
    • v0.8.6.2
      • Windows only: Fixes issue where network connectivity can fail.
      • Minor fixes:
        • Display Litecoin instead of Bitcoin in the Coin Control change address dialog
        • Fix custom build on MacOS X 10.9
        • Fix QT5 custom build
        • Update Debian build instructions
        • Update Homebrew build 
        • Cleanup of SSE2 scrypt detection.

        BACKUP YOUR WALLET.DAT BEFORE UPGRADING

        https://litecoin.info/Data_directory
        Follow the directions on this page to find the location of your wallet.dat.  Make a backup copy before you upgrade.  This is the only file you need to recover if anything goes wrong.

        Download Binaries
        Warning: Please use GPG to verify the integrity of the binary downloads.  Linux, MacOS or Win32 cygwin command line GPG instructions are available here.  The community wrote a Windows GPG4Win guide with screenshots which is available here.  All builds are signed by the team GPG key C37E4723969276F5.  The exact binaries for Linux and Win32 are reproducible with Gitian.
        Discuss Litecoin 0.8.7.4 in this forum thread.