Tuesday, October 29, 2013

Litecoin v0.8.5.3-rc8 Release Notes

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Summary the final pre-release of what will soon become 0.8.6.x.  This code is expected to be usable for all production purposes including wallet and mining.  Please read the release notes carefully.

Please submit Issues, code review comments or Pull Requests to the github branch exp-

Benefits of Upcoming 0.8.6.x
  • Coin Control, Disable Wallet and many additional features.
  • 20x reduction in fees!
  • Major speed boost in block sync and reindexing.
  • Reduced network propagation latency, fewer orphans.
Technical Changelog
  • v0.8.5.3-rc8
  • v0.8.5.3-rc7
    • Fixed rare MacOS X crash during GUI send.
  • v0.8.5.3-rc5
    • Fixed the MacOS X leveldb corruption issues?
  • v0.8.5.3-rc3
    • Minor bug fixes equivalent to Bitcoin 0.8.6.
    • Dust thresholds reduced by 10x.
    • More fairness: High priority area reduced to 17KB per block.  High priority tx size limit reduced to 5KB.  See notes in commits to learn more.
  • v0.8.5.3-rc2
    • Fix MacOS X dock icon menu.
    • More informative debug.log messages about peers and messages.
    • Timestamps enabled by default in debug.log.
  • v0.8.5.2-rc5
    • SSE2 crash fix for 32bit Windows.
    • Rebase disablewallet to equal Bitcoin OMG3
    • Add verifychain and getbestblockhash
    • Enable internal miner
  • v0.8.5.2-rc4
    • Fix version display in win32.
    • Tweak to phantomcircuit's sync performance patch. 
  • v0.8.5.2-rc2
    • LevelDB 1.13 Upgrade - both Bitcoin and Litecoin suffer from rare corruption on MacOS X.  Please report if this fixes that problem or not!
  • v0.8.5.2-rc1
    • Coin Control 0.8.5
      • Heavily tested for several months, with minor usability improvements.  It is now considered stable.
    • SSE2 block validation - Speed Boost!
      • This was under testing since September 13th for 64bit only without any problems. Now Mac 32bit, Win32 and Linux32 are all supported.  This can substantially boost the performance of block sync or reindex of the Litecoin client.
    • Disable Wallet Mode
      • Optional advanced feature for relay-only or mining nodes where a wallet is not required.  Operating litecoind with disablewallet saves between 40-200MB of RAM.
    • Disconnect nodes older than protocol version 70002 (Litecoin
      • Proposed for is to disconnect from old clients that are a dangerously old.  Along with the alerts this is to encourage those users to upgrade their client to better protect both themselves and the network.
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 the Gitian procedure below.
  • Downloads: [download]
  • Supported Systems
    • Windows XP+
    • Linux
    • MacOS X 10.6.x+
Discuss Litecoin in this forum thread.

Support Litecoin Development
If you appreciate our work, please consider making a small donation to the Litecoin Dev Fundraiser.  It takes a considerable amount of effort to guard against mistakes while working on this software.  We also use funds to cover regular expenses like server infrastructure, hire a professional security auditor and other contractors, to pay a law firm to protect the project, and to produce an upcoming educational video about Litecoin.  Businesses may be interested in getting their name listed in the sponsor list.